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DATE OF DESIGN | |
Pre WW2. |
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FREQUENCY RANGE | |
Transmitter is 136-500 kc/s & 1.5-15 Mc/s Master Oscillator Controlled, whereas the Receiver is a TRF on 111 kc/s - 15 Mc/s. However, if used as a transportable, the range is reduced to 1.5-10 Mc/s for the transmitter and 1.5-12.2 Mc/s for the receive. |
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POWER SUPPLIES | |
Accumulator with a dry HT battery for the receiver. HT for the transmitter is obtained from a 80 Watt battery driven motor generator. In the emergency fit a generator is driven from a 24V supply containing battery outfit BBE. For transportable use, a generator is driven from a 12V source. A small petrol driven generator is provided for charging the batteries.
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RANGE IN MILES. | |
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TYPE OF SET (VALVES USED) | |
VALVE |
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WAVEFORM | |
Originally designed to transmit on CW, ICW and R/T, when ship fitted, it usually emits a CW only signal although stores are available to include ICW also. |
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ASSOCIATED WAVEMETER. | |
1492B or G9 |
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METHOD OF PRODUCING OSCILLATIONS | |
The transmitter is Master Oscillator controlled. The receiver is a 'straight receiver' i.e., [tuned radio frequency] without heterodyning. |
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WHERE USED/FITTED | |
The TX/RX combination is an RAF outfit designed for aircraft, but replaced by more modern equipment, and relegated for Naval use as either(a) the emergency set fitted aft in Destroyers, or (b), a transportable set for use by Naval landing parties. This Naval use occurred during WW2. |
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FURTHER READING | |
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PHOTOS, SCHEMATICS, DOCUMENTS | |
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NOTES. | |
N/K or N/A |
