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									General Radio Discussion - Part15 Forum				            </title>
            <link>https://www.part15.org/community/general-discussion/</link>
            <description>Part15 Discussion Board</description>
            <language>en-US</language>
            <lastBuildDate>Sun, 19 Jul 2026 08:32:13 +0000</lastBuildDate>
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                        <title>End Of A Long Wave</title>
                        <link>https://part15.org/community/general-discussion/end-of-a-long-wave/</link>
                        <pubDate>Fri, 26 Jun 2026 06:41:30 +0000</pubDate>
                        <description><![CDATA[Wow, every time you turn around it&#039;s more out with old..

The BBC switches off its oldest service Long-wave radio’s time is up. Terrestrial television will surely follow


&quot;On June 27th ...]]></description>
                        <content:encoded><![CDATA[<p>Wow, every time you turn around it's more out with old..</p>
<div align="left">
<p dir="ltr"><span><b>The BBC switches off its oldest service </b></span><b>Long-wave radio’s time is up. Terrestrial television will surely follow </b>https://www.economist.com/britain/2026/06/25/the-bbc-switches-off-its-oldest-service</p>
</div>
<div align="left">
<p dir="ltr"><em><strong>"On June 27th the BBC will stop broadcasting Radio 4 Long Wave. It blames the cost of maintaining out-of-date technology. Droitwich uses two metre-high ceramic and metal valves, which are no longer made. Almost no one in Britain will notice."</strong></em></p>
</div>
<div align="left"> </div>
<div align="left">This next article is real interesting, tells some history and what's to happen to the massive towers that have been constantly broadcasting for almost 100 years:</div>
<div align="left">
<p dir="ltr"><strong>Long Wave radio era set to end with switch-off. A campaign has begun to get two large transmitter masts listed, after the BBC's Long Wave (LW) service is turned off. </strong>https://www.bbc.com/news/articles/c74yn7v7k4qo</p>
</div>
<p dir="ltr"><strong><em>"The 700ft (213m) high Wychbold Masts in the Worcestershire countryside can be seen for miles and are often used as a landmark for drivers on the M5 near Droitwich.</em></strong><br /><strong><em>They have been in use since 1934 for sending the signal across the country, as well as for transmitting important messages during the World War Two.</em></strong><br /><strong><em>Local history experts and the Twentieth Century Society have called for them to become listed, due to their "historical importance". .... ....</em></strong><br /><strong><em>.. Over the years, the equipment was changed from analogue to digital and several other smaller masts were built for the Medium Wave signal.</em></strong><br /><strong><em>The Wychbold Masts will no longer transmit LW with the switch-off expected at 00:01 BST on Saturday.</em></strong><br /><strong><em>A spokesperson for the BBC said the move came as the equipment was reaching the end of its life.</em></strong><br /><strong><em>"As Long Wave is an older broadcasting technology, recent years have seen a decline in listener numbers, with the majority now opting for FM and DAB digital platforms," they said. ...."</em></strong></p>
<p>https://www.bbc.com/news/articles/c74yn7v7k4qo</p>]]></content:encoded>
						                            <category domain="https://www.part15.org/community/general-discussion/">General Radio Discussion</category>                        <dc:creator>RichPowers</dc:creator>
                        <guid isPermaLink="true">https://part15.org/community/general-discussion/end-of-a-long-wave/</guid>
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                        <title>CBS radio shutting off.</title>
                        <link>https://part15.org/community/general-discussion/cbs-radio-shutting-off/</link>
                        <pubDate>Fri, 22 May 2026 23:31:46 +0000</pubDate>
                        <description><![CDATA[CBS radio goes off May 23/2026. The radio network that brought you all the OTR shows from the 20s to the 70s ending with the CBS RMT that ran over 1000 episodes.More over the air broadcastin...]]></description>
                        <content:encoded><![CDATA[<p>CBS radio goes off May 23/2026. The radio network that brought you all the OTR shows from the 20s to the 70s ending with the CBS RMT that ran over 1000 episodes.<br /><br />More over the air broadcasting falls victim to the smartphone. 700 stations affected.<br /><br />https://youtu.be/29C4od-GP5U</p>]]></content:encoded>
						                            <category domain="https://www.part15.org/community/general-discussion/">General Radio Discussion</category>                        <dc:creator>Mark</dc:creator>
                        <guid isPermaLink="true">https://part15.org/community/general-discussion/cbs-radio-shutting-off/</guid>
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                        <title>Testing results with FIM outdoors with BETS and FCC</title>
                        <link>https://part15.org/community/general-discussion/testing-results-with-fim-outdoors-with-bets-and-fcc/</link>
                        <pubDate>Mon, 18 May 2026 03:46:31 +0000</pubDate>
                        <description><![CDATA[So Gerry from Procaster and I today went out to the park next to his house and did some testing for field strength at 3 meters and 30 meters distances using the Procaster FM. The transmitter...]]></description>
                        <content:encoded><![CDATA[<p>So Gerry from Procaster and I today went out to the park next to his house and did some testing for field strength at 3 meters and 30 meters distances using the Procaster FM. The transmitter was on a tripod 6 ft off the ground and the FIM receiving antenna the same height. 30 meters is where the Canadian BETS measurements are taken, 3 meters is where FCC part 15 is measured from.<br /><br />First we did measurements with 250 uV/M at 3 meters. I took a Sangean radio that has better than average reception. We had a tape measure to measure 30 meters from the transmitter and 3 meters away and marked the two distances with a stick in the ground.<br />I have to say that 200 ft that is talked about as the max distance that can be heard on a radio at 250 uv at 3 meters(FCC) is false information. At 15 meters(50 ft) the carrier was gone and just the inter-station noise. We then moved the FIM 30 meters from the transmitter which is just less than 100ft. The FIM reading was 2 or 3 uV/M, if that. That is not enough field strength to create enough signal for even the best of receivers to hear without some elaborate antenna system. No way a 250uV signal at 3 meters is receivable at 200ft(61 meters). That is misinformation. It takes the better of 10uV/M for a <em>high quality</em> receiver to hear a decent station and get out of the inter-station hiss.<br /><br />Now for the BETS readings. 30 meters is quite a distance. Farther then I thought it would be.<br />We found that to get 100uV/M at 30 meters(Canadian measurement) You need <strong>3000 uV/m</strong> at 3 meters to get that field strength at 30 meters. Still just slightly under. Real world measuring with a calibrated FIM meter. ISED says BETS-1 signals should die out at 30 meters? Not accurate. At 30 meters from the transmitter with a 100uV signal on the FIM the Sangean receiver still had a strong full quieting carrier. Like a local. I started walking back farther and could walk considerably farther than the 30 meters before the reception got spotty and tilting the radio/antenna one way or another still brought in a clean signal. So Canada is much improved over the FCC 250 uV at 3 meters.<br />Also as mentioned for a decent signal on a high quality receiver you need about 9 or 10 uV/M.<br />Then we tried a couple of commercial stations to see what the field strength was as the FIM is measures that also. Interesting. Strong signals have a field strength of give or take 1500 uV/M<br /><br />So that's our findings.<br /><br />It is really surprising to see how puny the 250 uV at 3 meters is.</p>]]></content:encoded>
						                            <category domain="https://www.part15.org/community/general-discussion/">General Radio Discussion</category>                        <dc:creator>Mark</dc:creator>
                        <guid isPermaLink="true">https://part15.org/community/general-discussion/testing-results-with-fim-outdoors-with-bets-and-fcc/</guid>
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                        <title>From Radioworld magazine: Canada&#039;s shutting down the weather radio/alerts</title>
                        <link>https://part15.org/community/general-discussion/from-radioworld-magazine-canadas-shutting-down-the-weather-broadcasts/</link>
                        <pubDate>Mon, 04 May 2026 03:48:31 +0000</pubDate>
                        <description><![CDATA[has been cases where tornadoes have killed people in their houses relying on a cell phone that had no service but a weather radio with alert has saved lives. The phone and internet down does...]]></description>
                        <content:encoded><![CDATA[<p>https://www.radioworld.com/columns-and-views/readers-forum/letter-canadas-decision-to-abandon-weather-radio-is-ill-advised<br /><br />There has been cases where tornadoes have killed people in their houses relying on a cell phone that had no service but a weather radio with alert has saved lives. The phone and internet down doesn't help when you are sleeping. Article has some good reasons why Canada's decision to save some money is a bad idea with examples.</p>]]></content:encoded>
						                            <category domain="https://www.part15.org/community/general-discussion/">General Radio Discussion</category>                        <dc:creator>Mark</dc:creator>
                        <guid isPermaLink="true">https://part15.org/community/general-discussion/from-radioworld-magazine-canadas-shutting-down-the-weather-broadcasts/</guid>
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                        <title>Radio in an empty room..</title>
                        <link>https://part15.org/community/general-discussion/radio-in-an-empty-room/</link>
                        <pubDate>Sat, 02 May 2026 21:40:35 +0000</pubDate>
                        <description><![CDATA[A curious look ..&quot;... : The adults who reach for ambient sound the moment they walk into an empty room are not always the social ones. They are often the watchful ones. They are people whose...]]></description>
                        <content:encoded><![CDATA[<p>A curious look ...<br />https://spacedaily.com/sd-a-psychology-says-adults-who-keep-the-radio-on-in-an-empty-house-arent-lonely-they-grew-up-in-homes-where-silence-usually-meant-something-bad-was-about-to-be-said-and-learned-to-find-safety-in-back/<br /><br /><em>"... : The adults who reach for ambient sound the moment they walk into an empty room are not always the social ones. They are often the watchful ones. They are people whose nervous systems learned, very early, that quiet was not neutral. ... Think about what a radio actually does in an empty room. It produces human voices that have no demand attached to them. Nobody on the radio is angry at you. Nobody is about to deliver an announcement that reshapes your week. The voices are warm, predictable, and entirely unconcerned with your behavior... Underneath, though, something else is running. The body learned to monitor a room. ..."</em></p>
<p>https://spacedaily.com/sd-a-psychology-says-adults-who-keep-the-radio-on-in-an-empty-house-arent-lonely-they-grew-up-in-homes-where-silence-usually-meant-something-bad-was-about-to-be-said-and-learned-to-find-safety-in-back/</p>]]></content:encoded>
						                            <category domain="https://www.part15.org/community/general-discussion/">General Radio Discussion</category>                        <dc:creator>RichPowers</dc:creator>
                        <guid isPermaLink="true">https://part15.org/community/general-discussion/radio-in-an-empty-room/</guid>
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                        <title>The fix for AM, that should have happened, but never did.</title>
                        <link>https://part15.org/community/general-discussion/the-fix-for-am-that-should-have-happened-but-never-did/</link>
                        <pubDate>Sat, 02 May 2026 01:43:04 +0000</pubDate>
                        <description><![CDATA[The problem with AM reception is the noise and because of the type of transmission(amplitude modulation...AM) the program is the same as the electrical noise and the two can&#039;t be separated. ...]]></description>
                        <content:encoded><![CDATA[<p>The problem with AM reception is the noise and because of the type of transmission(amplitude modulation...AM) the program is the same as the electrical noise and the two can't be separated. The reason it came into being with this type of transmission is the other, frequency modulation...FM, hadn't been discovered yet and AM was how radio waves carried program info. in the beginning.<br /><br />But in 1933 Edwin Armstrong invented FM RF transmission and it was always known that AM was plagued with interference from any electrical pollution and FM, because you could separate the AM from the FM in the receiver as the FM audio was separate from the AM transmissions and most noise is AM.<br />In the 1930s with the discovery of frequency modulated audio transmission the commercial AM band should have been converted to FM. The frequency range of 530 to 1600 klz could have been kept and signal would still travel the same with skywave at night. Carrier frequencies the same just audio not amplitude modulation. Then when the other FM band was set up the original could be called FM1 and the other FM2. The lower band of 530 to 1600 klz would be kept for the longer transmission range, the other for more local. It would, because of the clean signal have better fidelity than the AM would. Or when the other FM band was set up the two could have mated with one larger commercial band but I think band 1 and 2 would be good. The FM transmission on the lower 530 to 1600 klz may not have quite the fidelity still of the higher 88-108 mhz wider bandwidth it would be way better than it was and is now plagued with all the interference and radios tuners could have a bandwidth switch like some better radios do now for high fidelity setting on the lower FM band.<br />To this day the "AM" band(not AM anymore) wouldn't be killed by all the modern day things that have killed it. Our transmitters would then be for one band or the other where it would be permitted. Most likely the lower. Then the TV bands could have been worked around the radio bands like they have been.<br />Why is it that I have such good ideas of what should happen, or should have happened, but the government people don't? <br /><br />The question may be asked, but you would have to have everyone get new receivers but when the FM band was set up in the early 1940s didn't you have to get a new radio anyways?<br /><br />Oh well, what if, what should have been, why can't they, talked about all the time.<br /><br /><br /></p>]]></content:encoded>
						                            <category domain="https://www.part15.org/community/general-discussion/">General Radio Discussion</category>                        <dc:creator>Mark</dc:creator>
                        <guid isPermaLink="true">https://part15.org/community/general-discussion/the-fix-for-am-that-should-have-happened-but-never-did/</guid>
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                        <title>Blasts From the Past</title>
                        <link>https://part15.org/community/general-discussion/blasts-from-the-past/</link>
                        <pubDate>Fri, 01 May 2026 16:21:09 +0000</pubDate>
                        <description><![CDATA[Based on the recent discussions of the history of Part15.us &amp; .org, I&#039;ve done a bit of research.
The earliest pages I&#039;ve been able to find are from late 2005.  Part15.us was more than j...]]></description>
                        <content:encoded><![CDATA[<p>Based on the recent discussions of the history of Part15.us &amp; .org, I've done a bit of research.</p>
<p>The earliest pages I've been able to find are from late 2005.  Part15.us was more than just a Forum; it had numerous resources about Part 15 broadcasting.  These pages were not published when the site was sold; I'm currently going through them to see if any are applicable today.</p>
<p>Some are, and here's one of them, published in Part15.us in early 2006.</p>
<p>The title was <em>Receiving Part 15 Transmitters.</em></p>
<p><em>Glenn A. Elliott, 08 August 2004 (Revised Friday 27 August 2004)</em></p>
<p><em><b>Summary:</b></em><br /><em>A.  Picking up these "peanut whistles," especially on the fringe, is going to require some effort by you.</em><br /><br /><em>B.  Not picking up noise and interference can be as important as picking up signal.  Walk around your house with a pocket radio, tuned to a weak station or no station, and listen to the noise level.  Put receivers and antennas away from noisy spots, and avoid, move, or dispose of noisy devices.</em><br /><em>More...<!--break--></em><br /><em>C.  All receivers aren't equal.  Lots can pick up signals fairly well.  The tough part is separating out what you want.</em><br /><br /><em>D.  There's no substitute for a good antenna.  For FM, a "beam" mounted outdoors and high is the best.  Next best is that beam mounted inside the attic of a wood house, and after that is the good old "T" antenna (stretched out and up high, in a window if your house isn't wood, not crumpled up on the floor).  On AM, try a simple manufactured "loop" first.</em><br /><br /></p>
<p><em>=================================</em><br /><br /></p>
<p><em>Successful radio reception depends on factors at both the transmitter and at the receiver.  Transmitter performance depends on both the transmitter power and the antenna.  Part 15 transmitters are limited in this regard, either by overall signal strength limits or by specific restrictions on both power and antenna construction.</em></p>
<p><em>There are no FCC restrictions on the receiving setup, although zoning or restrictive covenants can limit receiving antenna construction.  Still, much can be enhanced on the receiving end, and the nature of Part 15 requires this investment except at the closest distances.</em></p>
<p><em>This article is meant to be introductory, not exhaustive.  Some technical terms and concepts may be mentioned that require further study.  There is considerable material available on radio reception equipment and techniques.</em></p>
<p><em><b>1.  Noise and interference can be problems at any frequency,</b> although they generally become more evident on AM versus FM signals, and at lower frequencies.</em></p>
<p><em>    a.  Thunderstorms and even the atmosphere itself make substantial noise below 2 MHz (2000 kHz).  For a given transmitter (running below 2MHz), receiving setup, and distance, fringe reception may be possible from late fall through early spring, when thunderstorms are absent and the atmosphere is "quieter," but not during the rest of the year.</em></p>
<p><em>    b.  There are numerous noise sources in and near your home.  Computers, fluorescent lights, electric motors and appliances, and any devices that use a microprocessor (to make them more functional or "smart") are definitely candidates.  Telephone, cable TV, and power lines can also act as huge antennas to bring noise into your home.  Most AM broadcast receivers have antennas inside the receiver case, so moving an AM receiver around within your home and changing its orientation (lining it up north-south, east-west, or in between) will often affect how much noise (and signal) it picks up.  In fact, you can walk around inside your house with a pocket AM (or AM/FM) radio, tuned to either a weak station or no station, to find noisy spots (to avoid) or devices (to avoid or move).  The noise you hear on an AM or FM radio can also affect other receivers and indoor antennas.</em></p>
<p><em>    c.  Frequencies below 30 MHz (30,000 kHz) will display varying degrees of skywave or "skip" long-distance propagation.  Frequencies below 2 MHz will skip in at night, with less skip as frequency drops.  The operator of a Part 15 transmitter in the AM broadcast band will virtually always account for this when selecting the operating frequency.  However, if you notice that another station skips in on the same frequency at night ("co-channel interference"), the Part 15 operator would probably like to know.  Reorienting the AM receiver (if it has an internal "rod" antenna) or using a loop antenna (see below) will also help in this situation unless the Part 15 and the skipping stations are on or near the same line of direction.</em></p>
<p><em>    d.  Other devices besides broadcast transmitters operate under Part 15.  Basically, Part 15 devices are not protected from interference with each other.  The broadcast transmitter may be able to change to another frequency if a number of people are affected.  However, you may have to use a directional antenna or an "active noise canceller" to reduce interference from a local Part 15 device.</em></p>
<p><em><b>2.  All receivers are definitely not the same, either in performance or features.</b></em></p>
<p><em>    a.  Many if not most Part 15 AM broadcasters operate between 1600 kHz and 1700 kHz (in the "extended" AM band that the FCC authorized in 1991).  AM broadcast receivers produced before 1990 (some even later) generally cannot receive above 1600 kHz.  The same appears to be true for some manufactured AM active antennas (including active loops) and passive loops.  The McKay-Dymek DA5 tuned active ferrite-rod loop is one of these.</em></p>
<p><em>    b.  Sensitivity is the ability of the receiver to produce useable output from weak signals.  It is usually measured in microvolts (uV), and a lower number means better performance.  In stereo FM broadcast receivers, sensitivity is especially important regarding the ability to hear a station in stereo instead of mono (better stereo sensitivity will almost always mean better mono sensitivity as well).  Receiver sensitivity varies but many if not most receivers have adequate sensitivity.</em></p>
<p><em>    c.  Selectivity is the ability of a receiver to reject signals that are close to the frequency of the desired station, especially when the adjacent signals are stronger than the desired signal.  Receivers vary in selectivity more than sensitivity.</em></p>
<p><em>    d.  Bandwidth refers to the "width" of frequencies that will be picked up around the desired frequency.  Cheaper receivers, especially FM and AM broadcast receivers, will only have a single bandwidth filter.  Better receivers have two or more bandwidth filters to offer the option of picking up less of the signal (lower fidelity) in exchange for less noise or less interference from stations on adjacent frequencies.</em></p>
<p><em>    e.  Better AM broadcast and shortwave receivers will also have an "RF gain" control, which adjusts how much the incoming radio signal is amplified.  This is important, because the receiver's RF (radio frequency) amplifier will also amplify any noise within the receiver bandwidth, and will also tend to pick up adjacent signals more at higher "gain" (amplification) levels.  Maximum RF gain is not always desirable.</em></p>
<p><em>    f.  Part 15 transmitters are also allowed to operate in the frequency bands 160-190 kHz, 13.553-13.567 MHz, 26.96-27.28 MHz, and 49.82-49.90 MHz (and others not covered here).  Shortwave receivers can usually pick up the middle two bands.</em></p>
<p><em>        (1) A good "general coverage" receiver can probably pick up the 160-190 kHz band, although you may get better reception by using an "LF  converter" which receives the LF signal and moves it up into a higher shortwave band where the receiver has better performance.  The converter output is connected by a cable to the receiver antenna input (or one of them).</em></p>
<p><em>        (2) Operation above 30 MHz is often FM, and a good scanner should receive an FM transmitter in the 49.82-49.90 MHz band.</em></p>
<p><em>        (3) Part 15 transmitters in any of these bands may use single sideband (SSB, a derivative of AM).  Good general coverage or shortwave receivers should be able to receive SSB on the lower three bands, but receivers that can pick up AM or SSB above 30 MHz are harder to find (although definitely not impossible).</em></p>
<p><em>    g.  Two good AM broadcast band receivers are the GE SupeRadio (AM/FM; 4 models - original, II, &amp; Plus all discontinued and only go to 1600, <a href="http://www.whoradio.com/timages/page/ge3.gif">III</a> currently made; see this <a href="http://mysite.verizon.net/vze20h45/radio/superadio/gesr_faq.html">FAQ</a>) and the C. Crane Company CCRadio (discontinued, AM only) or <a href="http://www.ccrane.com/radios/am-fm-radios/ccradio-plus/index.aspx">CCRadio plus</a> (currently made, by Sangean for CCC; adds FM, TV 2-13 sound, and WeatherRadio).  Both radios are portable and mainly built for good AM performance.  The audio section in the CCRadio and CCRadio plus is optimized for speech, so music might not sound as good as on some other AM receivers.  Some reviews have preferred the SupeRadio III over the CCRadio plus (the SR3 is about $50-60 new, the CCR+ over double that), and state that the FM/TV/WxR performance of the CCRadio plus is only average.</em></p>
<p><em>    h.  A good FM broadcast band receiver is the Boston Acoustics <a href="http://www.bostonacoustics.com/home_product.aspx?product_id=213">Recepter</a>.  This is an AC-powered clock/alarm radio that also receives AM fairly well, and has connectors for both AM and FM external antennas.</em></p>
<p><em><b>3.  The receiving antenna is as important as the receiver itself,</b> but is often neglected.  An adequate (or even poor) receiver with a good antenna can often outperform a good receiver with a poor-to-adequate antenna.  Getting "wire in the air" can make all the difference.</em></p>
<p><em>    a.  Telephone, cable TV, and power lines can act as antennas to bring noise into your home, but they may bring in lots of signal.  Try putting your AM radio next to a wall outlet, near the phone or cable TV line, or next to or on top of an appliance like a microwave.  You might be surprised by the results.  Even FM broadcast reception may benefit.</em></p>
<p><em>    b.  In the AM broadcast band (and more so at 160-190 kHz), the radio wavelengths are extremely long.  However, "long-wire" or "random-wire" antennas can perform acceptably to well even if the length is not significant compared to the wavelength of the received frequency.  Using an antenna tuner or "preselector" (or both) can enhance the performance of a wire antenna.</em></p>
<p><em>    c.  A strange antenna that has worked in differing applications:</em></p>
<p><em>        (1) Wrap several turns of a piece of insulated wire (#18-24) around the telescoping antenna of an FM or SW receiver or the internal or external ferrite rod antenna of an AM receiver.</em></p>
<p><em>        (2) Attach an alligator clip or clamp onto the other end of the wire, then try attaching it to:</em></p>
<p><em>            (a) A metal window frame or screen.</em></p>
<p><em>            (b) A metal water pipe (cold or hot; NOT a gas pipe).</em></p>
<p><em>            (c) A metal or jacketed-wire clothesline.</em></p>
<p><em>            (d) The finger hook of an old dial phone (if it's connected to the phone line, that is).</em></p>
<p><em>            (e) A metal bed frame (or any other metal frame).</em></p>
<p><em>            (f) Whatever you can think of that is metal and in reach.</em></p>
<p><em>        (3) Using an antenna tuner along with this may help.</em></p>
<p><em>    d.  In many cases, receiving enough signal is not so much the problem as not receiving noise and interference.  A directional antenna is a commonly-used solution.</em></p>
<p><em>        (1) Especially at frequencies at or below 2 MHz, a tuned vertical loop antenna can really help.  A loop consists of multiple turns of wire around a frame (or around a ferrite rod).  A tuned loop uses a variable capacitor with the loop (which is a coil) to tune the loop to pick up a particular frequency and reject others.  The loop also picks up maximum signal in the plane of the loop and minimum signal when the loop is across the direction of the desired signal ("broadside").  If the direction of the desired signal is removed enough from the direction of a noise or interference source, the loop can be turned to receive maximum signal and minimum noise.  Because of their construction, loops also tend to reduce static pickup.  A loop that is designed to work with a matched (and tuned) RF amplifier is "active," versus a "passive" loop.  Active loops can achieve better performance but at greater expense than passive loops.</em></p>
<p><em>        (2) Above 10-12 MHz, "half-wave" dipoles and "beams" become increasingly more useful.</em></p>
<p><em>            (a) A "half-wave dipole" is simply two conductors (or "arms," usually wires or tubes) lying along the same line through a center point but on opposite sides of it, each arm being one-quarter of the wavelength of the desired reception frequency (or the center of a narrow band of frequencies).  One wire of a two-conductor cable or "feedline" is connected to one arm at the center of the dipole, and the other conductor is connected to the other arm.  The most common indoor FM antenna is a "folded dipole" (or "T"), which is a dipole in which each of the arms is folded back upon itself, but the folded parts are spaced away from each other and the free ends are NOT joined at the center.  A dipole is slightly directional, with maximum pickup when placed across the direction to the desired source.  The feedline should come away from a dipole at a right angle for as long a distance as possible.</em></p>
<p><em>            (b) "Beam" antennas build upon the half-wave dipole by mounting it across a central shaft and then placing progressively shorter "director" dipoles in front of it and progressively longer "reflector" dipoles in back of it.  The feedline should come away from the plane of the antenna at a right angle for as long a distance as possible.  Beam antennas concentrate signal pickup toward the front of the antenna (the shortest element) and minimize pickup from the sides and (more so the) rear.  A number of TV beam antennas incorporate an FM beam section.  A beam antenna is particularly useful in "multipath" situations where the signal from an FM broadcast station is being received over one or more paths which are interfering with each other.  This usually involves the direct path and one or more signals reflected from hills or mountains or large structures.  An FM beam can be pointed along the desired signal path and will then reject the other signals if the paths are sufficiently separated.  To pick up stations in different directions, multiple beam antennas can be used, or a beam antenna can be mounted on a mast that is in turn mounted on a rotator (an electric motorized unit with sensors to detect the compass direction of the antenna, connected to a control unit to select the desired compass direction).</em></p>
<p><em>                1) In the "Yagi" or "Yagi beam," the directors and reflectors are not connected to any feedline; only the dipole that is the "driven element" is connected to the feedline.  The shortest director will not be much shorter than the driven element, and the longest director will not be much longer.  The number of directors or reflectors may vary, but is strongly limited by what is a "manageable" size for the antenna.  A Yagi sacrifices bandwidth for more directional signal pickup.</em></p>
<p><em>                2) A "log-periodic" or "log" antenna uses more dipole elements than a Yagi and they are spaced closer together.  All of the dipoles are connected to the feedline, but adjacent dipoles are "cross-connected&amp;quot (i.e. in a 5-element log, one conductor of the feedline would be connected to the "right" arms of the first, third, and fifth elements and to the "left" arms of the second and fourth elements; the other feedline conductor would be connected to the opposite arm of each element).  The frequency range of a log runs from that of the longest element to the shortest element, but directionality is sacrificed, and a log is usually more expensive than a Yagi.</em></p>
<p><em>    e.  "Active" antennas (here not including active loops) consist of an indoor or outdoor antenna (usually a single element and called a "probe" if it is fairly short) and a tuned RF amplifier.  They can produce good results in some situations but not so good in others.  Active antennas usually cover 30 MHz down to 2-3 MHz, but there are some for FM and TV reception.</em></p>
<p><em>    f.  FM broadcast reception is almost always best with an unobstructed line-of-sight (LOS) path between the transmitting and receiving antennas.  However, a large metal structure like a water tower that has LOS between itself and the transmitting and receiving antennas can reflect enough signal to provide a better path than a somewhat obstructed direct line.</em></p>
<p><em>    g.  One case study found that:</em></p>
<p><em>        (1) The most effective FM broadcast receiving antenna was a beam mounted on a tower or mast, as high as possible.  If mounted on a mast above a roof, the beam should be at least 4-6 feet above the roof.</em></p>
<p><em>        (2) The most effective indoor FM antennas were:</em></p>
<p><em>            (a) A beam mounted in the attic of a house or apartment building that is not made of reinforced concrete and does not have a metal framework, siding, or roof (effects of brick may vary depending on the metal or metal ore particle content of the clay).  A small FM Yagi (3 or 4 elements) should fit in any such attic.</em></p>
<p><em>            (b) The traditional FM folded dipole, subject to the same building constraints, although the most effective mounting will vary.  Generally, keep it stretched out and up high, and in a window if your house isn't wood.</em></p>
<p><em>    h.  A Yagi for FM broadcast reception is not that hard to build, but some can be purchased for $60-$100.</em></p>
<p><em>    i.  Another directional antenna for FM broadcast use is the "Flying V" or "Flying Vee."  This antenna is a dipole in which the arms are bent towards the desired direction of reception until the angle between them is between 60 and 120 degrees.  Because of interaction between the two arms, each is shortened by 3-5 percent.  The directionality and signal pickup (which is also called "gain") seem to increase with the element diameter (in other words, aluminum or copper tubing works better than thick wire, which works better than thin wire).</em></p>
<p><em>        (1) A half-wave Flying Vee for 88 MHz with a 90 degree center angle and assuming 5% shorter arms will have an arm length of just under 30-5/16 inches, a "width" between the free ends of just over 42-27/32 inches, and a "depth" (from the center to the width line) of just under 21-7/16 inches.</em></p>
<p><em>        (2) More gain can be obtained with a "5/4-wave" Flying Vee, which starts from a dipole that has a total length of 1.25 (5/4) times the wavelength of the desired frequency (each arm is 5/8 of the wavelength).  A 5/4-wave Flying Vee for 88 MHz with a 90 degree center angle and assuming 5% shorter arms will have an arm length of 75-25/32 inches (just under 6-1/3 feet), a width of just over 107-5/32 inches (just under 9 feet), and a depth of just under 53-19/32 inches (just under 4.5 feet).  This antenna could easily be attic-mounted, or even ceiling-mounted.  A wire version could be floor-mounted under a carpet in a room above the room with the FM receiver, with the feedline "fished" down through the wall.</em></p>
<p><em>    j.  Some ready-made AM broadcast tunable passive loops are the Radio Shack 15-1853 (discontinued), the Terk <a href="http://images.amazon.com/images/P/B000069EUW.01._SCLZZZZZZZ_.jpg">Advantage AM-1000</a>, and the <a href="http://www.selectatenna.com">Select-A-Tenna</a>.  The Radio Shack and Terk units and the "M" model of the Select-A-Tenna have short connecting cords to connect to the external antenna terminals of an AM receiver that has them.  They can also "inductively couple" to the internal ferrite rod antenna of a portable AM receiver if the receiver and loop are placed close together (and usually at right angles to each other).  Please note that the Select-A-Tenna has been produced for over 30 years, so there are older versions (made sometime before 1991) that will only tune up to 1600 kHz.  The Select-A-Tenna is also the largest of these three loops (about a foot in diameter) and all are for indoor use (subject to the limits for using an FM beam or dipole indoors).  You can put one of these loops on a plastic "Lazy Susan" turntable to position it more easily.  If you are using a small AM receiver inductively coupled to the loop, you may be able to find a Lazy Susan large enough for both, so the receiver is always positioned for maximum pickup from the loop.</em></p>
<p><em>    k.  One of the newer AM broadcast active loops is the C. Crane Company "<a href="http://www.ccrane.com/antennas/am-antennas/twin-coil-ferrite-am-antenna.aspx">Twin Coil Ferrite</a>."  This is a recently patented design, which may help to keep its price up for a number of years yet, but the antenna has received some good reviews.  The "loop" part can be mounted outside a building, connected with a cable to the amplifier inside.</em></p>
<p><em>Hopefully this article has given you some ideas on how to improve your radio reception.  Don't be afraid to experiment - you might be pleasantly surprised by the results.</em></p>]]></content:encoded>
						                            <category domain="https://www.part15.org/community/general-discussion/">General Radio Discussion</category>                        <dc:creator>ArtisanRadio</dc:creator>
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                        <title>Weather radio Canada off the air</title>
                        <link>https://part15.org/community/general-discussion/weather-radio-canada-off-the-air/</link>
                        <pubDate>Sat, 25 Apr 2026 21:56:34 +0000</pubDate>
                        <description><![CDATA[]]></description>
                        <content:encoded><![CDATA[<p>https://youtu.be/5b0zw_sCyec</p>]]></content:encoded>
						                            <category domain="https://www.part15.org/community/general-discussion/">General Radio Discussion</category>                        <dc:creator>Mark</dc:creator>
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                        <title>Hyper-Local Radio Gaga Still Broadcasting</title>
                        <link>https://part15.org/community/general-discussion/hyper-local-radio-gaga-still-broadcasting/</link>
                        <pubDate>Thu, 23 Apr 2026 00:32:29 +0000</pubDate>
                        <description><![CDATA[I know I talked about Radio Gaga before, this is not the Queen Song, it&#039;s a traveling &quot;hyper-local&quot; radio broadcast.
&quot;..drive their converted caravan studio to locations including a prison,...]]></description>
                        <content:encoded><![CDATA[<p dir="ltr">I know I talked about Radio Gaga before, this is not the Queen Song, it's a traveling "hyper-local" radio broadcast.</p>
<p dir="ltr">"..<em><strong>drive their converted caravan studio to locations including a prison, a trailer park, a psychiatric hospital, an asylum centre, a maternity ward and a clinic for people with eating disorders. </strong></em><em><strong>They hoist their antennas and hand out dozens of small radios so that locals can hear the hyperlocal show, which includes song requests and interviews.."</strong></em></p>
<p dir="ltr">Originally launched in Belgian, it's still active and since I first came across it, it's reach has really expanded and now apparently highly popular in France, Japan, and Switzerland!, the rights for US release had been acquired some years ago, but something is stalled with the US release. It's still unclear to me what's going on.  I've always presumed (because I never could find any nitty-gritty info on the operation) it's a part 15-type broadcast that Belgian allows, I know it's an over-the-air broadcast because they hand out portable radios at each location they visit. There's some Vimio video of them setting up at different locations and putting in operation in at least one of these links below (I couldn't figure out to post it here)</p>
<p dir="ltr">Anyway its pretty cool, I think I talked about it here years ago, but just happened across it again. In 2016, the tv version of this station was supposed to enter the US market according to these previous articles, but still hasn't happened:</p>
1093
<p dir="ltr"> </p>
<p dir="ltr"><strong>Hot Picks: Radio Gaga</strong><br /><a href="https://www.broadcastnow.co.uk/hot-picks-radio-gaga/5102082.article">https://www.broadcastnow.co.uk/hot-picks-radio-gaga/5102082.article</a><br />If Alan Partridge hosted Catfish, it might look something like Radio Gaga. In this Belgian format, two radio hosts travel the country with their mobile radio station, stopping in various small communities and setting up camp for 48 hours.</p>
<p dir="ltr">The pair – theatre actors George Hessels and Dominique van Malder – drive their converted caravan studio to locations including a prison, a trailer park, a psychiatric hospital, an asylum centre, a maternity ward and a clinic for people with eating disorders.</p>
<p dir="ltr">They hoist their antennas and hand out dozens of small radios so that locals can hear the hyperlocal show, which includes song requests and interviews.</p>
<p dir="ltr">The series is produced by De Chinezen for Belgian station Caravan, which is run by public broadcaster VRT. Curtis says Radio Gaga is an “original and touching” format.</p>
<p dir="ltr">Lineup has already closed a major US deal for Radio Gaga with producer Critical Content, the indie that was formerly the television arm of Ryan Kavanaugh’s embattled film production firm Relativity.</p>
<p dir="ltr">Critical Content, which is run by Tom Forman and Andrew Marcus, is developing the US remake with Catfish stars Nev Schulman and Max Joseph replacing Hessels and Van Malder and setting up their own local radio stations.</p>
<p dir="ltr">“It’s a unique format,” says Forman. “It’s part talk show, part documentary, part buddy comedy, part tear-jearker.”</p>
<p dir="ltr">Distributor Lineup Industries<br />Producer TBC<br />Length 8 x 45 minutes<br />Broadcaster Caravan (Belgium)</p>
<p dir="ltr"> </p>
<p dir="ltr"> </p>
<p dir="ltr">Here's some other prior articles:<br /><br /><br /><a href="https://www.c21media.net/news/frances-novo-19-tunes-into-radio-gaga-with-local-format-adaptation/">https://www.c21media.net/news/frances-novo-19-tunes-into-radio-gaga-with-local-format-adaptation/</a><br />Soon-to-launch French national TV channel Novo 19, owned by newspaper Ouest-France, has commissioned a local adaptation of Belgian format Radio Gaga.<br />Novo 19 will launch as a general-interest DTT channel on September 1. Its ad...... Distributed internationally by Lineup Industries, Radio Gaga has also been recommissioned by NHK in Japan for a sixth season, while RTS in Switzerland has committed to S10. The format has additionally been adapted in the Netherlands, Denmark, Wales and Spain.<br /><br /></p>
<p dir="ltr"><a href="https://lineupindustries.com/press/lineup-industries-radio-gaga-tunes-into-frances-novo-19/">https://lineupindustries.com/press/lineup-industries-radio-gaga-tunes-into-frances-novo-19/</a><br />Amsterdam. 27 August 2025. Independent international distribution company Lineup Industries’ highly original and uniquely touching format Radio Gaga, which follows a hyper-local, intimate radio station, has been commissioned by Novo 19 in France. .... ..</p>
<p dir="ltr">Originally produced in Belgium by De chinezen for VRT’s Canvas channel, Radio Gaga sees two hosts travel through the country in their mobile radio studio, stopping to set up camp in various small communities. They then spend the next 48 hours running a radio station for the locals – taking everything from song requests to confessions. Our hosts will make an at times humorous, and at times touching, hyper local radio show. Central to everything are the residents and passersby. They will request songs and be interviewed – they are the narrative and soundtrack to each show. The audience is the community, perhaps acquaintances, discovering each other’s stories......</p>
<p dir="ltr">, Radio Gaga is an ideal fit – the series captures the soul and the soundtrack of a particular place. What is unique about this community, and what connects those who live there? It’s a show that really resonates with communities all over the world, as the many recommissions show. We’re looking forward to seeing what Novo 19, Raphael De Casabianca, and his team at Petaouchnok, discover about the corners of France in their local version.” ...<br /><br /></p>
<p dir="ltr"><a href="https://lineupindustries.com/project/radio-gaga/">https://lineupindustries.com/project/radio-gaga/</a></p>
<p dir="ltr">In Radio Gaga two hosts travel through the country in their mobile radio studio. They will stop and set up camp in small communities. Once set up they will spend the next 48 hours running a hyper local radio station for the locals.</p>
<p dir="ltr">In each episode they drive in their converted caravan studio to a new location.</p>
<p dir="ltr">Our hosts will make an at times wacky and at times touching hyper local radio show. Central to everything are the residents and passers by. They will request songs and be interviewed it is they who are the narrative and sound track to this show. The audience is the community, perhaps acquaintances, discovering each other’s stories.</p>
<p dir="ltr">channel : Canvas (Belgium)<br />slot : 21:20<br />season : Since 2016</p>]]></content:encoded>
						                            <category domain="https://www.part15.org/community/general-discussion/">General Radio Discussion</category>                        <dc:creator>RichPowers</dc:creator>
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                        <title>AM Radio News: Violations Ok, Stranger Things, and Trump Likes It</title>
                        <link>https://part15.org/community/general-discussion/am-radio-news-violations-ok-stranger-things-and-trump-likes-it/</link>
                        <pubDate>Tue, 21 Apr 2026 18:27:19 +0000</pubDate>
                        <description><![CDATA[Something I began noticing years ago, is that the push to keep AM does not really seem to be much of a mainstream media story at all, in fact I&#039;ve never seen or heard anything about it in th...]]></description>
                        <content:encoded><![CDATA[<p dir="ltr">Something I began noticing years ago, is that the push to keep AM does not really seem to be much of a mainstream media story at all, in fact I've never seen or heard anything about it in the real world at all. We as AM hobbyists know only because it's on our radar, but it appears to me that its only a hot topic in radio trade magazines and the like, but nowhere else. It's been only in recent months that I've finally heard mention of it for the first time on AM radio programming (George Norry mentioned something about it a few weeks ago), but for years I heard nothing at all on my local TV news or radio stations - nothing, not a single peep until recently, and even then it only briefly and occasionally comes up. I get the sense the general public isn't even aware about the whole "Save AM" thing, or if they'd even care. Has anyone else in the past 5 or 6 years ever heard reporting about it on the news where you live? Ever?</p>
<p dir="ltr">Anyway, all that aside, here's a glance over a few recent stories concerning AM found on the net that I found interesting:</p>
<p dir="ltr"><strong>As carmakers shift to digital dashboard, lawmakers push to keep AM radio</strong><br /><a href="https://www.spokesman.com/stories/2026/mar/27/as-carmakers-shift-to-digital-dashboard-lawmakers">https://www.spokesman.com/stories/2026/mar/27/as-carmakers-shift-to-digital-dashboard-lawmakers</a>-/<br />....Dashboards have become increasingly crowded with services like mobile applications that often require a subscription, and also offer an opportunity for carmakers to recoup a bit more money. Then there’s the public’s changing media preferences and the perception that AM radio is a medium of yesteryear. ... “Nobody under the age of 40 would know to go to AM radio in an emergency,” said Shane Tews, a senior fellow at the American Enterprise Institute focused on the digital economy. Broadcasters are “holding onto an origin story that was good at the time. But it doesn’t hold now.” ..... According to broadcasters and supporters of the legislation, AM radio still wins in extreme emergencies. AM radio waves travel close to the ground and over extremely long distances. ... It also helps that President Donald Trump has the legislation on his radar. “I like that. I’m in favor of it,” Trump said on the Hugh Hewitt radio show in January. “A lot of people don’t know about that, but it’s actually a very big subject.”<br /> </p>
<p dir="ltr"><strong>FCC renews AM radio station license, despite multiple rules violations</strong><br /><a href="https://thedesk.net/2026/04/fcc-renews-am-radio-station-license-despite-multiple-rules-violations/">https://thedesk.net/2026/04/fcc-renews-am-radio-station-license-despite-multiple-rules-violations/</a><br />The Federal Communications Commission (FCC) this week agreed to renew the broadcast license of a Mississippi-based AM radio station, despite finding the station and its owners made false statements to the agency and .... several ongoing compliance failures. According to the FCC, WABG owner SPB did not upload required quarterly issues and programs lists to its online public inspection file and failed to file multiple biennial ownership reports over several years. ... Despite the violations, the FCC said it wouldn’t decline to renew the broadcast license for WABG,....</p>
<p dir="ltr"><strong>WPTF AM Radio Building</strong></p>
1091
<p dir="ltr"><strong> </strong>This old radio building from the 1930s inspired the WSQK radio station featured in the last season of “Stranger Things.” ... The WPTF building, built as an AM Radio transmitting station in the 1930s, is still in operation today.....<br /><a href="https://www.atlasobscura.com/places/wptf-am-radio-building">https://www.atlasobscura.com/places/wptf-am-radio-building</a></p>
<p dir="ltr"> </p>
<p dir="ltr"><strong>WOW: SummitMedia Spins A Silent AM In Omaha</strong><br /><a href="https://rbr.com/wow-summitmedia-spins-a-silent-am-in-omaha/">https://rbr.com/wow-summitmedia-spins-a-silent-am-in-omaha/ ..</a>It is an AM radio station licensed for 5kw from 1 tower in Nebraska’s largest city that has been silent under Special Temporary Authority from the FCC since February 20. Now, its owner — Carl Parmer-led SummitMedia — is selling the historic facility.</p>]]></content:encoded>
						                            <category domain="https://www.part15.org/community/general-discussion/">General Radio Discussion</category>                        <dc:creator>RichPowers</dc:creator>
                        <guid isPermaLink="true">https://part15.org/community/general-discussion/am-radio-news-violations-ok-stranger-things-and-trump-likes-it/</guid>
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