RCA BTA-1R1 AM Transmitter Restoration
(BTA-500R restoration to be detailed in a future page)

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Everything in place!

Initial power up ... no smoke.

Checking oscillator and low level stages - note frequency; 1590khz

Iron installed; mod xfr, hv xfr, hv choke, mod inductor (50h!)

Testing with BA-6A amplifier supplying audio

Minor addition to allow the use of a SO-239 RF connector

Final photos from rear side; top to bottom

Final testing with the GR Modulation Monitor and RCA BA-6A Limiting Amplifier

Bracket added for ease in connecting audio and modulation monitor

Ready to go!

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