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Re: [Amps] Checking relay timing with a scope

Subject: Re: [Amps] Checking relay timing with a scope
From: Pete Smith <>
Date: Sun, 21 Jun 2009 11:14:33 -0400
List-post: <">>
It is dual trace, and it has choice of internal or external triggering.

73, Pete N4ZR

At 11:00 AM 6/21/2009, Bill, W6WRT wrote:
>On Sat, 20 Jun 2009 15:52:10 -0400, Pete Smith <>
> >I've only been doing this ham radio thing for 55 years, but until
> >this year I never owned or even used an oscilloscope.  I now have an
> >old 15-MHz dual trace machine that works fine, and I'm trying to
> >figure out how to use it to verify the relative timing of the relays
> >in my modified SB-220. Can someone explain at least in general terms
> >how to go about this?
>Before I can answer the question I need to know two things: Is it a
>dual trace scope, and is it a triggered-sweep or 'synchronized' sweep
>73, Bill W6WRT
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