[Heathkit] DX-100 mods

[Bill Cromwell]

Hi,

I have the manuals for the DX-100 and for the TX-1 as well as some
information on a mod for the DX-100 to add grid-block keying and a
spotting switch. The TX-1 has the spotting switch along with 'sequential
keying'. There are also circuits in my '62 ARRL Handbook for all three
of those features.  I can compare the two transmitters, the mod
diagrams, and the Handbook if that will help anybody. My understanding
is there is a better grid-block keying mod than the one I have for the
DX-100. I want the grid-block circuit to part of a larger, overall, fast
station T/R switching system. It has been my intention to add grid-block
keying to the DX-100 for a long time and this might be a good time to
advance that project.

73,

Bill  KU8H