[Milsurplus] Early R-1051's

[Brad Latta]

The R-1051 has a few variations, A through to H, I'm
just wondering, were they match to the same variation
of T-827 transmitter, i.e. R-1051C & T-827C? Currently
I am working on an early synthesizer for the R-1051D,
I have finally found a schematic of the 100cps Synth
section, it contains some of the first IC's, an MC974G
flip flop, & and several Fairchild 9958HC 4 bit binary
ripple counters. These IC's are just about impossible
to get nowadays, looks like substitutes are the only
way to repair them, I pity the poor R-1051 owner who
has a faulty radio!
                     regards, Brad


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