[ARC5] History question: post-ww-ii use of ARC-5 style equipment

[Mike Morrow]

Mike / WA4DLF wrote:

> A TC-45J (originally USAAF, then USN SNB-5) was given to a technical
> school in NC around 1967, and arrived with a complete ARC-5 HF set
> up: two T-19s on frequencies in the 3000-3290 kc range and R-23-26-27
> receivers.  All the shock mounts and control box mounts were placarded
> SCR-274N types.

I assume the last sentence means the mounts had SCR-274-N nomenclature.  The really interesting info would be the actual control **box** models used.  The ATA and SCR-274-N transmitter controls are not compatible with AN/ARC-5.  A C-29 is extremely rare for good reason, so a C-30A/ARC-5 would be most likely.  The tunable C-26/ARC-26 "box" is required for the R-23.  Were there two for the R-26 and R-27 as well?  I'm surprised there weren't two R-26 units for those two T-19 units, using C-27/ARC-5 lock-tuned receiver controls with MT-78/ARC-5 mounts, but I guess not since there are no SCR-274-N equivalents.

These little details tell so much about system use when they are known.

Mike / KK5F