[Lowfer] WA no longer in the way

Thu, 31 Oct 2002 22:43:10 -0600

Is it possible that this is a PLC??? Maybe Bill can take a long lunch
tomorrow and run out close to Mike's beacon with a laptop and the R75 to see
the signal.

Mike>WE0H
http://www.we0h.us/lf.html

-----Original Message-----
From: [email protected] [mailto:[email protected]]On
Behalf Of Mike Staines
Sent: Thursday, October 31, 2002 9:43 PM
To: [email protected]
Subject: RE: [Lowfer] WA no longer in the way

Thanks, Lyle. That makes sense to me.

So, maybe that WAS my signal and Larry gets QSL #1.

The problem with Larry's capture is that it shows a keyed signal prior to 10
pm and no signal a minute or so before the capture at 10 pm. PI was key down
until after 10 pm so there should not be the two sets of 3 signals followed
by nothing.

Mike

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Lyle Koehler
> Sent: Thursday, October 31, 2002 10:35 PM
> To: [email protected]
> Subject: Re: [Lowfer] WA no longer in the way
>
>
> The multiple lines on PI's signal look like what is called "reference
> frequency modulation" of the phase-locked-loop. In this case, the
> reference
> frequency appears to be 1 Hz and is getting through the loop
> filter. That's
> my guess, anyway. Not good, because it smears the transmitter energy over
> several spectral lines instead of concentrating it at one frequency.
>
> Lyle, K0LR
>
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