This JRC ‘standby’ transmitter was installed along with a virtually identical 2-channel model at Auckland Radio ZLD in 1967, and both were used until the station closed in 1993.
Six-channel, with servo switching of the 6 channels
- Model: NSD-166P
- Power output: 1,000 watts
- Modes:
A3J (Single Sideband, Suppressed Carrier)
A3A (Single Sideband with -16dB Pilot Carrier)
A3H (Single Sideband, Full Carrier) - Frequencies: 4125, 4146, 4417, 6214, 6224 kHz
- Output valves: 2x 5F65R
- Power supply: 400V AC
- Status: Not working, display only
- Era: Service manual dated August 1967
The transmitter used a solid-state exciter with valves in the power amplifier.