TRANSMITTERS & TRANSCEIVERS

Type 93 Transmitter

DATE OF DESIGN

FREQUENCY RANGE

200 to 250 Mc/s.

POWER SUPPLIES

230V 50 c/s - 1.25 kW.

RANGE IN MILES.

8 miles at 1000 feet to 20 miles at 7000 feet.

TYPE OF SET (VALVES USED)

WAVEFORM

CW modulated at R/F between 540 and 830 kc/s.

ASSOCIATED WAVEMETER.

None - Crystal controlled transmitter.

METHOD OF PRODUCING OSCILLATIONS

WHERE USED/FITTED

To provide a Beam Approach System for aircraft at Naval Air Stations. The equipment consists of three W/T beacons which rdiate one horizontal and two vertical signal beams.

FURTHER READING

Details of Type 93

PHOTOS, SCHEMATICS, DOCUMENTS

NOTES.

BR 1832(1)(2)