[R-390] SSB Adapters and Treetop Circuits

[Joseph Koester]

Perry,

Glad you made your escape.  Life is good here in the eastern part of the country! We are blessed to live in eastern Tennessee.

Joe/W4NSA

-----Original Message-----
From: r-390-bounces at mailman.qth.net <r-390-bounces at mailman.qth.net> On Behalf Of Perry Sandeen via R-390
Sent: Monday, July 4, 2022 1:18 PM
To: r-390 at mailman.qth.net
Subject: [R-390] SSB Adapters and Treetop Circuits

Yo List,
We escaped Californicate in Aug 2021 and now have bought a house in Clinton, SC.
We chose this area as I'm working with Glen Scott who owns DSM Labs.
Glen is a list member who for 24 years has specialized in re-maning mostly R390A for people who contact him directly. He also does R388's, R390's, R392 and rarely R389's and R391's.
Glen also does repairs on some other types of equipment. He wrote and article on how to re-do R39X series of front panels.
Unfortunately for the moment, serious health issues have had him from doing any work.
My plan is to start re-maning and upgrading SP 600's which unfortunately is way behind schedule because of house and family medical issues.
There are several SSB conversion circuit in the Y2KR3 manual.  A number of SSB circuits from the past postings are not viable as the necessary parts are not available.
I'm in negotiation with Bob Thomas who owns Treetop Circuits to buy his complete operation. There is another list member who is interested in working with me on making the same SSB adapters using a different name.
It would probably be 2 to 3 months before we would have products for sale.
Two very expensive and hard to find are the Sherwood (almost impossible to find) and Hammarlund HC10 SSB adapters.
Whether or not it's worth the effort to do the revised Captain Lee circuit depends what level of skill, determination and tools one has.
Regards,
Perry KM6FQV












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