TYPE 30 TRANSMITTER
|DATE OF DESIGN||1924|
|FREQUENCY RANGE||Transceiver - transmitter 150 - 426 kc/s : receiver 75 - 2000 kc/s|
|POWER SUPPLY||Supplied from an engine which is part of the Set|
|TYPE OF SET||VALVE|
|METHOD OF PRODUCING OSCILLATIONS||SELF|
|WHERE USED/FITTED||Portable equipment. Type 30 is the name used in the Royal Navy for
the Army's Portable Set 'C' MkI. It is transported on two pneumatic tyred carts which
1. Transmitter, receiver, aerial gear, masts, telephones, valves etc all in a box, plus aerial reels and spares etc in another box,
2. Engine driven generator, engine, switchboard, three 2 volts cells [in a box], oil and petrol.
The cart wheel and axles are removable and the carts provide two benches for setting up the stations.
Two tents are supplied to protect the equipment and power unit [not necessarily the men]!
The aerial is very large.
The transmitter emits CW on 150 to 426 kc/s
and has a range of 40 miles.
Type 30 fitted in many Fleet units.
|ASSOCIATED WAVEMETER||RAF W3|
Above left transmitter and right receiver.