[R-390] R-390A Variant

[Byron Tatum]

Hello-
    I recently obtained a variant of the R-390A of which small  relays =
were installed on modules and 3 osc. output / inputs were available at a =
rear panel plate, equipped with 3 BNC conn.and terminals to energize the =
relays. The front panel tag is missing and I cannot recall the ID number =
of this set. I believe this one is an all Collins made unit, and it is =
only the second of this type that I have seen.About 8 years ago I =
dis-assembled one of these, it was an all Collins module and mainframe =
set, however the modification was done by another contractor.The front =
panel ID tag reflected a new type number.
    I would be interested in trading this set for a late model { =
preferably EAC} if anyone is interested.It is complete with covers and =
meters.
    Thank you, Byron WA5THJ.

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