DATE OF DESIGN

FREQUENCY RANGE

1.5 to 24 MHz in four bands.

POWER SUPPLIES

115 V 60 Hz or 230 V 50 Hz 2.3 kW and 220 V d.c. 3A.

RANGE IN MILES.

TYPE OF SET (VALVES USED)

WAVEFORM

CW.

ASSOCIATED WAVEMETER.

METHOD OF PRODUCING OSCILLATIONS

WHERE USED/FITTED

Medium power HF communications transmitter for use in submarines to replace Type 55M.

FURTHER READING

PHOTOS, SCHEMATICS, DOCUMENTS

Details of Transmitter Type 623
Type 623 photograph

NOTES.

BR 2181.