[BC] Freq agile AM transmitters

[RichardBJohnson@comcast.net]

Please read my previous answer to the question. Non type accepted 
signal sources are allowed in an emergency to the extent necessary to 
meet that emergency as long as there is no harmful interference.

--
Cheers,
Richard B. Johnson


  -------------- Original message ----------------------
From: "Phil Alexander" <dynotherm at earthlink.net>
 > On 24 Apr 2007 at 16:45, RichardBJohnson at comcast.net wrote:
 >
 > > No. You will be going through your usual antenna coupler. It will
 > > provide sufficent harmonic suppression,
 > > i.e., 43 + 10 log (power in watts), especially considering your
 > > harmonics will already be 40 dB down.
 >
 > If that is true, why not eliminate the required, annual
 > NRSC test in 73.45? In fact, why did they put in the rules?
 > Moreover, why do some stations fail the annual NRSC until
 > maintenance is done?
 >
 > Answering my own questions, perhaps the idea that an ATU will
 > serve as a spur and harmonic attenuator is optimistic.
 >