Type 5 Portable Set 997 kc/s Type 6 Harbour Defence Set 1.9 Mc/s
Petrol driven Alternator 0.5kW. Revs 2400 = AC @
80 cycles. Output voltage 70 V AC @ 7 amps.
TYPE OF SET
METHOD OF PRODUCING OSCILLATIONS
issued to all ships for the use of landing parties, calibration ranges,
and small boat work. Type 6
issued to all ships and shore authorities engaged on Examination
Services within protected harbours.
Approximate distances Type 5 60 miles over land 100 miles over sea. Type
6 40 miles.