Russ,
You may want to post that on the CFO list, a CW group started by Jim,
W9TO (SK), inventor of the TO keyer. If you are not a member, I am
willing to post it for you.
73, Dave W8OV
On 2017-05-15 10:39, Russ wrote:
Folks:
Not exactly Elecraft, but I am restoring the HA-1 tube keyer copy that I built
from scratch as a kid in 1970.
The tubes have all lost their markings (and maybe their functionality).
Does anyone have a schematic (or manual)?
Thanks, Russ KD4JO
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