[AMRadio] AM IARU Region 2 Bandplan

Brett Gazdzinski Brett.Gazdzinski at verizon.net
Mon Mar 8 20:46:00 EST 2010

No, I bet you could run twice the legal power for years and no one would 
After all, how can you tell the difference between a good antenna or twice 
the power?


----- Original Message ----- 
From: "D. Chester" <k4kyv at charter.net>
To: <amradio at mailman.qth.net>
Sent: Monday, March 08, 2010 7:05 PM
Subject: Re: [AMRadio] AM IARU Region 2 Bandplan

>> I have enough of a time keeping the BEASTs reined in at 1500W PEP.  If I
>> set the microphone resting current at the specified in the TM at 40ma,
>> the darn thing WILL hit 2500W PEP.
> There is nothing in Part 97 that says we even have to have instruments
> capable of measuring PEP.  They specifically deleted the provision 
> requiring
> accurate power measuring instruments when they changed the power limit
> rules, because in the Report and Order they admitted that many hams would
> not be able to ACCURATELY measure output power.
> If you are worried about the power you are running, just keep the DC input
> at 500 watts or less, or if you think you have good accurate rf power 
> output
> measuring capability, run the carrier at 375 watts output. Check the
> envelope pattern on a scope to make sure the negative peaks don't go over
> 100% and that the positive peaks don't flat-top, and run the modulation as
> high as you can while still avoiding those extremes. I can't see why some
> people are so nit-picky. If your signal is clean, nobody is going to come
> busting down your door because an occasional voice peak exceeded a certain
> limit.
> Don k4kyv
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