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Part15

License Free, legal, low-power radio broadcasting

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Mark

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@mark

Active 2 days, 8 hours ago
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    Mark replied to the topic Good Article for people new to part 15 in the forum Transmitter Talk 4 months, 1 week ago

    Yeah!  Is that Timinbovey?

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    Mark started the topic Good Article for people new to part 15 in the forum Transmitter Talk 4 months, 2 weeks ago

    https://www.radioworld.com/columns-and-views/guest-commentaries/part-15-broadcasting-is-not-without-problems?fbclid=IwAR3nqHdujy75SYnjtHPWSxo6kt2T5GcJlTd-iI_QEG__T9hvSarF_M5hnBM

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    Mark replied to the topic Part 15 Rule, Ground Lead in the forum Regulations / Law 4 months, 3 weeks ago

    Agree 100% with Tim.
    Worry more about the surge in the power supply.
    The surge protector you use for your power to the Procaster, computer and any processing gear should not just have a light that tells you if the surge protection is working but if the surge protection is compromised the power bar should shut down instantly cutting power to your…[Read more]

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    Mark started the topic MORE SPACE ON THE DIAL….GREAT FOR HOBBY RADIO in the forum General Discussion 4 months, 3 weeks ago

    https://ca.yahoo.com/finance/news/media-study-says-hundreds-canadian-110309612.html

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    Mark replied to the topic Part 15 Rule, Ground Lead in the forum Regulations / Law 4 months, 4 weeks ago

    Thanks Rich!
    Seems if more attractive things around like trees you lessen the risk also.
    To get up and running, from the middle to late Sept. to middle of May in the northern half of the USA and Canada thunderstorm season is past so just set up and go and worry about it next spring after April.

     

     

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    Mark replied to the topic Part 15 Rule, Ground Lead in the forum Regulations / Law 4 months, 4 weeks ago

    Here’s a good article

    Lightning protection for antennas

    A bit about lightning here. It says that lightning will strike from cloud to earth and look for the easiest path to earth. So don’t understand how the transmitter mounted on the ground with a metal stake deep in the ground will be protected? You have…[Read more]

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    Mark replied to the topic I would love to have a setup like this guy has in the forum General Discussion 4 months, 4 weeks ago

    Looks nice!

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    Mark replied to the topic Part 15 Rule, Ground Lead in the forum Regulations / Law 5 months ago

    Well, welcome to the world of hobby broadcasting. Too bad about your station.
    Yeah, you are better off having a lot of things near you that lightning would prefer to hit.

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    Mark replied to the topic Part 15 Rule, Ground Lead in the forum Regulations / Law 5 months ago

    Post 3 on this.
    Ask Timinbovey on this forum about this as he uses a Procaster on a tower with no ground as I understand and he can give you good info on this subject. I think he has been running this for 7 years? Forget what he said, but he hasn’t had a lightning strike that he has ever mentioned.

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    Mark replied to the topic Part 15 Rule, Ground Lead in the forum Regulations / Law 5 months ago

    To add to my post I forgot even with no ground you still have the power and audio cable into the house and a path for lightning to come into the house through that to electrical ground but I was told that the connections from the studio to the transmitter has the shield connected on the transmitter side but not at the studio and asked what it’s…[Read more]

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    Mark replied to the topic Part 15 Rule, Ground Lead in the forum Regulations / Law 5 months ago

    You can try the elevated ground by using the metal gutter around the roof. I’m not sure but I’d think with no path to the earth lightening may avoid it.
    Yeah if you have a long ground wire to a stake in the earth from the roof it would violate the ground rule.

    The procaster also has a gas discharged arrestor to protect the output amp but I don’t…[Read more]

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    Mark replied to the topic Check this out in the forum Broadcast Equipment 5 months, 1 week ago

    That was great. Never saw a record player that worked like a cassette player that you could carry around.

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    Mark posted a new activity comment 5 months, 1 week ago

    As for range, I am doing quite well as you can see in the map I posted from indoors with the wire taped to a wall with no ground.

    The thickness of the wire if set up indoors makes a difference…thicker is not better as I thought.
    Am just using an alligator clip to connect the 3 meter wire to the top post.
    Because no ground lead I have the full 3…[Read more]

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    Mark posted a new activity comment 5 months, 1 week ago

    I don’t always look at the blogs and came across this by chance. Welcome to the club with AM! The advantages outweigh the drawbacks.
    You can most likely get the humming down to very subtle levels with some of the tips I gave and the radio positioning can be humming in one position but turn it a little and no hum. If you get to the on air volume…[Read more]

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      Mark replied 5 months, 1 week ago

      As for range, I am doing quite well as you can see in the map I posted from indoors with the wire taped to a wall with no ground.

      The thickness of the wire if set up indoors makes a difference…thicker is not better as I thought.
      Am just using an alligator clip to connect the 3 meter wire to the top post.
      Because no ground lead I have the full 3…[Read more]

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    Mark posted a new activity comment 5 months, 1 week ago

    I use the procaster and it’s like this with the hum….first try the switch in the studio part that switches from direct to isolate. Get a better power supply than what it comes with( 12V block style ones used with computer monitors are best). Rotate the radio as this can null it out in a certain position. I found that it can hum when on by itself…[Read more]

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    • Profile picture of Mark
      Mark replied 5 months, 1 week ago

      I don’t always look at the blogs and came across this by chance. Welcome to the club with AM! The advantages outweigh the drawbacks.
      You can most likely get the humming down to very subtle levels with some of the tips I gave and the radio positioning can be humming in one position but turn it a little and no hum. If you get to the on air volume…[Read more]

      • Profile picture of Mark
        Mark replied 5 months, 1 week ago

        As for range, I am doing quite well as you can see in the map I posted from indoors with the wire taped to a wall with no ground.

        The thickness of the wire if set up indoors makes a difference…thicker is not better as I thought.
        Am just using an alligator clip to connect the 3 meter wire to the top post.
        Because no ground lead I have the full 3…[Read more]

    • Profile picture of Dave
      Dave replied 5 months ago

      Thank you for responding Mark. I communicated with the Procaster website and they told me to move the button to isolate. I did and it fixed the problem. My station sounds great and I get a range of 2-3 miles most of the time. I am very happy with the station. I’m so glad that I went with the Procaster. The tech support was great and very prompt.

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    Mark started the topic Check this out in the forum Broadcast Equipment 5 months, 1 week ago

    Nice little AM transmitter.

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    Mark started the topic LITTLE KNOWN FCC EXCEPTION TO THE FM FIELD STRENGTH RULE in the forum Regulations / Law 5 months, 2 weeks ago

    Check this out….https://transition.fcc.gov/Bureaus/Engineering_Technology/Documents/bulletins/oet63/oet63rev.pdf

    Go down to the charts for the rules for unlicensed use and get to part 15.231.
    If your transmission is not all the time but temporary or intermittent you have double the field strength allowed.

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    Mark replied to the topic Anniversary! in the forum General Discussion 5 months, 3 weeks ago

    Thought you were doing this for more than 7 years. Nice to hear the Procaster is working so well. In those temperature extremes does the frequency drift at all? You would know if you hear beating or a tone when the sky wave comes in with some other stations along with yours.
    I use a Procaster now and my range is posted here if you didn’t…[Read more]

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    Mark replied to the topic HA in the forum temp 5 months, 3 weeks ago

    Sorry to hear about the transmitter.
    You can protect the output from just that by installing a coil across the output from antenna to ground. The value if it’s an FM transmitter is 2.2uH. For AM I don’t know if that value will work as the different frequency range. It has to be a value that has a very high resistance in several megohms to the…[Read more]

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    Mark replied to the topic Can I post part-15 broacasting here? in the forum Broadcast Equipment 5 months, 3 weeks ago

    There’s a category just for that so I don’t see why not.
    Anything used for hobby broadcasting would be of interest.

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