Re: [TenTec] Jupiter on CW

["Steve N4LQ" <n4lq@iglou.com>]

The raspy sound you hear is phase noise transmitted by the Jupiter and it is 
present in the sidebands. The noise is much weaker than the carrier and 
other stations will not hear it unless the signal is rather strong.
Selective fading will cause the noise to appear to come and go. Selective 
fading can null out the carrier and allow the sidebands to pass making you 
think the noise is coming and going while actually it's there all the time.
Steve N4LQ
----- Original Message ----- 
From: "Mark Erbaugh" <mark@microenh.com>
To: <tentec@contesting.com>
Sent: Saturday, January 29, 2005 8:28 PM
Subject: [TenTec] Jupiter on CW


> Today I worked a station running a Jupiter on 40 CW. (I was running brand
> X). Most of the time, the signal from the other station was fine, but a
> couple of times it developed raspy note that then cleared up.  I had just
> finished a lengthy QSO with a station running an Omni VI and didn't hear
> distortion on his signal, so I don't think it was on my end.
>
> I seem to remember some comments a while back on the list about a 
> raspiness
> in the Jupiter transmitted signal. Has anyone else experienced this? Is
> there a solution?
>
> 73,
> Mark
>
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