JRC NSD-166N transmitter

This JRC ‘main’ transmitter was installed, along with a virtually identical 6-channel model, at Auckland Radio ZLD in 1967. Both were used until the station closed in 1993.

Two-channel transmitter with relay channel switching

  • Model: NSD-166N
  • Power output: 1,000 watts
  • Modes:
    A3J (Single Sideband, Suppressed Carrier)
    A3A (Single Sideband with -16dB Pilot Carrier)
    A3H (Single Sideband, Full Ca
  • Frequencies: 2182 and 2207 kHz
  • Output valves: 2x 5F65R
  • Power supply: 400V AC
  • Status: Awaiting full restoration
  • Era: Service manual dated August 1967

The transmitter used a solid-state exciter with valves in the power amplifier.

2 JRC single sideband marine radio transmitters before their removal from the decommissioned Auckland Radio transmitter site in 1994

2 JRC single sideband marine radio transmitters before their removal from the decommissioned Auckland Radio transmitter site in 1994. Left: 2 channel, Right: 6 channel.

JRC single sideband marine radio transmitter

2-channel JRC single sideband marine radio transmitter at Musick Memorial Radio Station

Specifications