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Re: [Amps] DX-100B CW Keying

To: amps <>
Subject: Re: [Amps] DX-100B CW Keying
From: Mark - N5OT <>
Date: Mon, 3 Jan 2022 15:02:31 -0600
List-post: <>

Speaking as the ham with the question, we can end this thread. Thanks everyone.

73 - Mark N5OT

On 1/3/2022 12:54 PM, Rob Atkinson wrote:
Thanks Dave.  The ham with the question should now be able to
determine his 100B keying method.


On Mon, Jan 3, 2022 at 11:43 AM David Gow <> wrote:
Bothethe DX-100 and the DX-100B came from Heathkit with cathode keying.  Heathkit did 
release a kit to change to grid block keying and it was available (same kit) for both 
transmitters.  In the instructions Heathkit states "...this strictly 
optional..."  It involves drilling a hole in the front panel to install a push 
button switch and installing a terminal strip on the chassis.  if there is no push button 
on the upper right side of the panel then the grid block optional modification is not 
installed.  A copy of the Heathkit instructions for the modification  is on Glenn Zook's 
(K9STH) web site.The Antique Radios forum is a wonderful resource. This modification has 
not been discussed there yet.
Dave W7VM

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