1978: Transmitter 873 failing

In July 1978, BT Harnett, Chief Technician (Radio), wrote to the Division Engineer advising that Auckland Radio ZLD transmitter 873 was failing, and proposing that it be replaced temporarily by retired transmitter 1301.

Collier and Beale 873 marine radio transmitter
Collier and Beale 873

351 HF Transmitter
RCA 351, serial 1301

Letter requesting replacement of transmitter 873