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General |
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HAM bands | ? | ? | ? |
Freq. stability | ? | ≤ 1 kHz per °C temperature change after 15 minutes warm-up | ? |
Tuning steps | ? | ? | ? |
Receiver |
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RX-range | 0.15-24 MHz in 5 bands | 150-180 / 180-220 / 220-270 / 270-330 / 330-400 / 400-500 MHz | 0.5-30.5 MHz in 30 bands |
Modulations | AM | AM FM | AM CW SSB FSK |
Sensitivity | ? | Better than 10 µV (S/N 15 dB) | ? |
Selectivity | ? | 20 kHz @ -6 dB / 50 kHz @ -20 dB | ? |
Filters | ? | ? | ? |
Receiver system | Single conversion, 5 tubes | Double conversion superheterodyne | Double conversion superheterodyne |
IF-freqs. | ? |
1st: 50 MHz 2nd: 5.2 MHz |
? |
Image rejection | ? | ? | ? |
Audio output | ? | 2.5 W | ? |
Transmitter |
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TX-range | - | - | - |
Modulations | - | - | - |
RF-output | ? | ? | ? |
Connections |
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Antenna | - | - | Clamps / screws |
Impedance | ? | 75Ω | 50Ω |
Other | - | - | - |
Electrical |
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Power req. | Mains | Mains (100; 200; 230 V) | Mains |
Current RX | ? | 90 VA | Max 100 W |
TX | - | - | - |
Physical |
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Manufactured | Between 1962 and 1963 in Great Britain | Between 1964 and 1969 in Great Britain | Between 1964 and 196x in Great Britain |
Dimensions |
279 × 162 × 208 mm (10.98 × 6.38 × 8.19 in) |
425 × 222 × 346 mm (16.73 × 8.74 × 13.62 in) |
483 × 222 × 400 mm (19.02 × 8.74 × 15.75 in) |
Weight | 5.20 kg (11.5 lbs) | 23.60 kg (52.1 lbs) | 40.00 kg (88.3 lbs) |
Form factor | Base Station | Base Station | Base Station |
Other features |
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Memories | ? | ? | ? |
Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
Features | ? | ? | ? |
Accessories | ? | ? | ? |
MPN | EDDYSTONE-000870A | EDDYSTONE-000770U-/-MKII | EDDYSTONE-000880/3 |