[AMPS] power vs. QRM

[Paul Booth]

Steve Jackson wrote:
> 
> >Please explain how running more power generates QRM given that the signal
> >is clean?  Yes, higher power takes "slightly" more bandwidth, but not
> >enough of any significance.
> 
> Jon:
> 
> If you are in QSO with a given station, whether on a beam or not, the
> frequency
> you are using is not usable by anyone else within range of your station's
> transmitter.  If you increase your range by increasing your power, you have
> then
> decreased the usability of that frequency.  Some people would call that
> "QRM" -
> so this is a matter of semantics, not technology.  In this case, a beam can
> help...
> or not.  I don't usually think of this as QRM, myself.  But, read this
> example to
> see how somebody else might feel otherwise:
> 
> Let's say you had a sked on 3830, and you get on with your buddy.  Someone
> else,
> beyond the range of your transmitter, does not hear you.  He thinks the
> frequency
> is clear, and begins calling CQ.  Unfortunately, he is running 1500W and
> you now
> experience QRM; you can hear him, but he can't hear you.  I won't blame the
> guy
> for running a gallon when calling CQ... you see the issue?  This is what
> people
> that complain about kilowatt amps are talking about.  Unfortunately, many hams
> can't express themselves well.  I am a writer.... so I have the advantage,
> I guess.
> 
> Now, we can all talk about how having a big antenna causes QRM, too!!
> 
> 73 Steve KZ1X/4
> (Kilowatt amp owner - and user!)
> 
> * * *
> 
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Gentlemen:

Clearly the solution here is the for the people with the sked to have
used more power to begin with so that they could have been heard first
by the one starting to call CQ.  Hi hi.

73s de WA6IBU, Paul

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