Re: [TenTec] Decision Made/PRO III

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

Paul
The top waveform is the same thing you would see if you just hooked a scope 
to your speaker. It shows amplitude vs. time.
The bottom display shows frequency vs. time. This is more revealing than the 
former. Signals out of the passband are a result of distortion created by 
the radio (in this case). It's something like a waterfall display you would 
see on a PSK program only turned sideways. Note the cw tones are a solid 
line which indicates a continuous frequency while the distortion produces 
all kinds of offensive sounding racket.
Actually my signals came from the low level audio outputs on each rig.
Steve N4LQ
----- Original Message ----- 
From: "Paul - W8KC" <w8kc@comcast.net>
To: <tentec@contesting.com>
Sent: Saturday, December 25, 2004 10:46 PM
Subject: RE: [TenTec] Decision Made/PRO III


> Steve,
>
> For the benefit of dimwits like me, please explain the "signal" waveform 
> at
> the top or your chart.
>
> I do not understand it that waveform at all.  Both waveforms differ 
> greatly
> and the Pro III seems to have many more "signals" showing than the Orion.
>
> So what is it?  Where is it from?
>
> Curiously yours,
>
> Paul W8KC
>
>
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