Thanks Dave. The ham with the question should now be able to
determine his 100B keying method.
73
Rob
K5UJ
On Mon, Jan 3, 2022 at 11:43 AM David Gow <6146guy@gmail.com> 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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