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License Free, legal, low-power radio broadcasting

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Last Post by Anonymous 12 years ago
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 Anonymous
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Well, I couldn't help myself.  I purchased one of these radios just to see what it's all about.

Too bad no SSB or CW capability.  Perhaps an outboard oscillator to serve as a BFO.  But, I need to try it out.

Anyway, I'm tired of buying used junk and decided to treat myself.  

I should sale off some of my duplicates.  I have 3 Hallicrafters S-120 receivers, 2 Radio Shack DX300/301 receivers, 3 Remco Caravelle broadcasters, 3 Radio DJ broadcasters, a box of old CB radios and walkie talkies...


 
Posted : 06/03/2014 5:01 pm
 Anonymous
(@Anonymous)
Posts: 0
 

Since this topic has come up again, I still think this radio could be a general guideline for compliance(could be, not will be). If you take a transmitter that's known to be putting out the max legal signal strength. like the decade or ccrane, Wholehouse etc, as it comes out of the box,certified, and stand a certain distance from the transmitter, reading what the G-8 reads in DBu, this can be a guideline of compliance. Any transmitter then, could be taken to be compliant if the radio is the same distance and the reading is what it was with the known field strength.
A cheap way to have some idea?
Don't have this radio myself but may get one just for the signal strength display.

Mark


 
Posted : 09/03/2014 7:52 pm
 Anonymous
(@Anonymous)
Posts: 0
 

A number of TECSUN radios, starting with the PL-310, also have the signal strength numeric readings.

I am guessing that these are probably no different than the Grundigs, and their eBay cost is also low.

Mark, if you get your readings from FM transmitters, these wouldn't matter for AM or shortwave readings, because those bands use different receiving antennas.


 
Posted : 09/03/2014 8:02 pm
 Anonymous
(@Anonymous)
Posts: 0
 

Well I have a Sangean ATS-803A radio that was release in 1990 and it
has a signl stength meter,but I get no real reading in microvolts on it.
It just 5 leds that show a relative signal strength. I also have ham
radios that cover the AM band which show a meter with 1db to 80db on a meter.
This is a high cost radio and cannot even say I could use this to show
a true field strength. Really it takes a field strength meter that
measures in microvolts, and when it comes down to it that all the FCC is going to
accept for a true reading.
I do not have a field strength meter like this and I missed out on owning one
a few years ago. Really wish I had not. I could have really used it.

Thanks
Sean


 
Posted : 09/03/2014 9:17 pm
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