Control unit type 40, 4A, 3A, 7A
| RAF Transmitters Click on the image for full size view! |
| T 1131 | |
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| Purpose | Ground station transmitter for V.H.F Also used in mobile application with the transmitter vehicle | |
| Type of wave | R/T or M.C.W. | |
| Frequency range | 126 Mc/s to 99 Me/s | |
| Frequency stability | To one part in 100,000 | |
| Crystal Mult. Factor | Actual frequency in Mc/s = 18 x Crystal frequency in kc/s : 1000 | |
| Percent of modulation | 100 per cent | |
| Microphone type | Carbon granule type | |
| Power input | 1,2 kVA from 50 cycles mains of 200V to 250V | |
| Associated equipment | Aerial system type 3 Control unit type 40, 4A, 3A, 7A |
| Transmitter TA-12 |  Mosquito radio installation Receiver RA-10 |
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| Purpose | Remote Controlled four channel, master oscillator type aircraft transmitter | |
| Type of wave | R/T. C.W. M.C.W. | |
| Frequency range | 300 - 600 kc/s, 3000 - 4800 kc/s, 4000 - 6400 kc/s and 4370 - 7000 kc/s. | |
| Frequency stability | ||
| Power input | ||
| T-1154 |  |
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| Transmitter | T1154 | |
| Purpose | Two-way communication air-borne transmitters used in conjunction with receivers of the R 1155 group. Work into either fixed or trailing aerials. Colour-coded controls. Eight "click-stop" pre-set frequencies | |
| Type of wave | T.1154, T.1154B, T.1154C, T.1154D:
R.T., M.C.W., C.W. T.1154A, T.1154E: M.C.W., C.W. |
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| Frequency range | T
1154, T 1154A, T 1154B: 100 Mc/s-30 Mc/s and 500 kc/s - 200 kc/s in 3
ranges, BLUE (H.F.), RED (H.F.), VELLOW (M.F.) T 1154C: 16,7 Mc/s - 2,35 Mc/s and 500 kc/s - 200 kc/s in 4 ranges. Two BLUE (H.F.), RED (H.F.), YELLOW (M.F.) T 1154D, T 1154E: 8 Mc/s 2,5 Mc/s and 500 kc/s - 200 kc/s in 3 ranges, BLUE (H.F.). RED (H.F.). YELLOW (M.F.) |
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| Frequency stability | Master-oscillator | |
| Power input |
From 12V or 24V rotary transformer units in conjunction with the aircraft general electrical supply. |
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