[AMRadio] Who Sets the AM Window Frequencies?


Brian Carling bcarling at cfl.rr.com
Sun Dec 11 22:48:27 EST 2005


There are some commonly used AM frequencies that are WELL
outside of any perceioved "WINDOWS."

For examples: around 7160, 3837 and 3983 kHz...
There are more.

On 11 Dec 2005 at 21:13, Jim Wilhite wrote:

> Mike, since AM is an accepted and legal mode, there is no AM "window"  The 
> ARRL band plan lists calling frequencies, which means we should make contact 
> and QSY to another clear frequency.
> 
> First of all, the band plan is not a legal document.  Secondly, if people 
> did as the suggestion, you would hear AM QSOs through the phone portion of 
> the bands.  The frequencies that are listed usually wind up being the ones 
> where contacts are established and people stay there.
> 
> The movement you mention is because a individual or group pick a frequency 
> to meet and most AMers then think of that as an AM frequency or "window".
> 
> Use any frequency you choose and move about.
> 
> 73  Jim
> W5JO
> 
> ----- Original Message ----- 
> From: "Mike Duke, K5XU" <k5xu at jam.rr.com>
> To: "Discussion of AM Radio" <amradio at mailman.qth.net>
> Sent: Sunday, December 11, 2005 8:46 PM
> Subject: [AMRadio] Who Sets the AM Window Frequencies?
> 
> 
> > I'm just curious to know about how the current AM window frequencies were
> > determined.
> >
> > The one for 15 meters appears to have drifted up and down the band over
> > several years.
> >
> > I recall it being 21.330 one year, then 21.390, 21.415, 21.430, and now
> > apparently 21.425.
> >
> > I'm delighted to see the recent attempts at activity on 15 meters, and 
> > will
> > make additional comments relative to that band later.
> >
> > Mike Duke, K5XU
> 
> 
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