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Re: [Amps] How to read the 3-500Z spec sheet?

To: Jeff Blaine AC0C <>
Subject: Re: [Amps] How to read the 3-500Z spec sheet?
From: Martin Flynn <>
Date: Sun, 23 May 2010 16:06:24 -0400
List-post: <">>
Is using a sound card good enough?  One of my elmers <sk>  had a 
dedicated two channel audio generator for testing.

Motorola published a white paper by  Helge Granberg  on IMD 


Jeff Blaine AC0C wrote:
> Of course, a real IMD test requires a 2 -tone source and you can download 
> those applications on the web free of charge.  A good quick and dirty 
> solution is to switch your digi mode application over to PSK.  In fact, if 
> it were up to me, it would be a legal requirement for all PSK ops to have 
> station monitors of this type when running PSK.  Lot of misinformation and 
> nonsense in that community among the rookie ops.
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