Wireless Set No. 62 was a portable/mobile transceiver developed in about 1944/45
as a general purpose vehicle and ground station, suitable to be carried as a manpack
and animal pack. Frequency range 1.6-12MHz. RF output 1W. MO and crystal control.
R/T and CW. Range up to 25 miles. The set was a stop-gap pending the delayed production
of Wireless Set No. 42 and a replacement for Wireless Set No. 22. Though not hermetically
sealed, the set was tropicalised and immersion proof for five minutes. The set had
in internal miniature rotary HT transformer which was replaced by a transistor power
supply unit in the 1960’s.
Internal view of Wireless Set No. 62 Mk.2. (left) Examining the layout of major components
such as the receiver (left hand side) and the aerial tuning arrangements (right hand
side of chassis), there is a strong resemblance to Wireless Set No. 22. Wireless
Set No. 62 was based on the No. 22 Set specifications but the circuit arrangements
Note the use of aluminium for the chassis and front panel, the case was constructed
from pressed steel.