[AMRadio] AM IARU Region 2 Bandplan


rbethman rbethman at comcast.net
Mon Mar 8 20:53:39 EST 2010


Well, there are "those" that I could swear are running a pair of 4-1000As!

I could plead ignorance due to not having an adequate device to properly 
"measure" the PEP output.

But then my heart wouldn't be in it.

Guess I'm stuck between my conscience and the Beasts!

Bob - N0DGN

On 3/8/2010 8:46 PM, Brett Gazdzinski wrote:
> No, I bet you could run twice the legal power for years and no one would
> know...
> After all, how can you tell the difference between a good antenna or twice
> the power?
>
> Brett
>
>
>
> ----- 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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-- 
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|               AM Amateur Radio Operator    NØDGN                 |
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|               http://home.comcast.net/~rbethman/                 |
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| Bob Bethman                \\\|///     " The absence of a danger |
|                           \\ ~ ~ //      signal does *NOT* mean  |
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