Carl -
That sounds like just what I need. That would quickly isolate the problem
to the rig or the antenna, regardless of propagation.
I'll have to keep my eyes open on EBay or at hamfests for a calibrator.
Had one years ago, but long gone now.
73 de K8HJ
John
----- Original Message -----
From: "Carl Moreschi" <n4py@earthlink.net>
To: "John Huffman" <hjohnc@core.com>
Sent: Thursday, June 20, 2002 6:26 PM
Subject: Re: [TenTec] Lost Sensitivity?
> John,
>
> I use an old crystal calibrator to test sensitivity on my radios. When I
> first
> get a radio, I use the crystal calibrator and write down the S meter
reading
> on each band. Later, if I'm ever suspicious of a problem, I use the
> calibrator
> and compare the reading to what I originally wrote down.
>
> The higher frequencies are pretty much dead right now. This is typical of
> summer conditions. Things always pick back up in the fall. With high sun
> angles in the summer, the absorption in the ionisphere is higher causing
> signals to be very attenuated.
>
> 73,
>
> Carl Moreschi N4PY
> Franklinton, NC
> ----- Original Message -----
> From: "John Huffman" <hjohnc@core.com>
> To: "tentec" <tentec@contesting.com>
> Sent: Thursday, June 20, 2002 9:48 PM
> Subject: [TenTec] Lost Sensitivity?
>
>
> I believe my Omni V may have lost sensitivity on 15, 12 and 10M. I hear
> only the weakest signals.
>
> While it may be conditions, I can't even hear DX spots being put up here
in
> Michigan.
>
> My question is...
>
> Is there a way to test sensitivity without owning a signal generator? How
> do others check to see if it's conditions, your antenna or your receiver
> when things go quiet? A second rig or a signal generator would be nice,
but
> neither are readily available.
>
> Just looking for a quick and easy way to check the rig.
>
> 73 de K8HJ
> John
>
>
> --- StripMime Report -- processed MIME parts ---
> multipart/alternative
> text/plain (text body -- kept)
> text/html
> ---
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
>
>
|