- Johnstown, Ohio, United States
- May 27th
OG9705 - G.E. Type TV-54 Video Broadcast RF Diode Demodulator w/Instruction Books EBI- 3388 - Used to demodulate a portion of the TV transmitter visual RF output for display on a picture monitor and also on a waveform monitor (Oscilloscope) with a vibrator which created a zero carrier reference marker to check modulation percentages. This model, 4TV54A3, was used on a 3 1/8" coaxial transmission line, and adjusted for a proper display on the monitors.