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General |
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HAM bands | ? | 160m 80m 60m 40m 30m (WARC) 20m 17m (WARC) 15m 12m (WARC) 11m (CB) 10m 2000m | ? |
Freq. stability | ? | ? | Below 10 MHz: 50 Hz/MHz Above 10 MHz: 20 Hz/MHz Both after 30 minutes warm-up |
Tuning steps | ? | Continuous | ? |
Receiver |
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RX-range | 0.05-30 MHz | 80 kHz - 30 MHz | 0.48-30 MHz in 5 bands |
Modulations | AM AM-sync CW SSB | AM CW | AM CW |
Sensitivity | ? | ? |
AM: 5 µV CM 1-2 µV |
Selectivity | ? | ? | 1.5 / 3.0 / 6.0 / 12.0 kHz selectable (-6 dB) |
Filters | ? | ? | 500 Hz switchable crystal filter |
Receiver system | DSP | Single conversion | Superheterodyne |
IF-freqs. | ? | 575 kHz | 450 kHz |
Image rejection | ? | ? | ? |
Audio output | ? | ? | 1 W |
Transmitter |
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TX-range | - | - | - |
Modulations | - | - | - |
RF-output | ? | ? | ? |
Connections |
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Antenna | N-type | - | - |
Impedance | 50/450Ω | 50/500Ω | 70/80Ω |
Other | - | - | - |
Electrical |
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Power req. | Mains | Mains or 12 V DC | Mains (100-125 or 200-250 V AC) or external PSU |
Current RX | 35 W | ? | 80 W |
TX | - | - | - |
Physical |
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Manufactured | Between 19xx and 19xx in USA | Between 19xx and 19xx | Between 1959 and 196x in Great Britain |
Dimensions |
482 × 133 × 508 mm (18.98 × 5.24 × 20.00 in) |
? | ? |
Weight | 6.80 kg (15.0 lbs) | ? | ? |
Form factor | Base Station | Base Station | Base Station |
Other features |
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Memories | ? | None | ? |
Usage | Military communication | Military communication | Military communication |
Features | ? | ? | ? |
Accessories | ? | ? | ? |
MPN | WATKINS-JOHNSON-HF-001000 | MARCONI-CSR-000005 | EDDYSTONE-000730/6 |