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That is part 15 and it isn't just a couple of frequencies, it is any
frequency in the AM broadcast band (and the FM broadcast band, for that matter). Specifically, 15.219 allows operation on any frequency in the band so long as (a) the input power to the final stage is less than 100 mW and (b) the antenna "system" (radiating element, coax, and ground lead) is less than 3 meters long. 15.221 also allows operation with an unspecified power level into leaky coax with a field strength limitation. Power is not milliwatts per meter. Power is milliwatts. Field strength (also an allowed measurement) is in volts per meter. The OP said that there were a "couple of frequiencies(sic)for unlicensed low power am(sic) stations." That implied that there were a couple of frequencies that were unused in the AM band by commercial stations, and I just wanted to have a reference to WHAT they were and WHERE in the regs they were delineated. Jim "Fred W4JLE" wrote in message ... It can be found under the section that allows a transmitter as long as it is less than some number of milliwatts per meter. If you really need the exact section, I will drag out the regs and get it for you. "RST Engineering" wrote in message ... I can't find the part of the FCC regs that provide these frequencies for unlicensed stations. Can anybody share the chapter and verse? Jim There are a couple of frequiencies for unlicensed low power am stations. You can see them in use by real estate folks selling houses. There are no commercial stations on the frequency. Yes, and at Disney World, etc. This is a very doable idea and may well solve FCC/DoD issues. |
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