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General |
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HAM bands | 6m | 160m 80m | ? |
Freq. stability | ? | ? | ≤ 1 kHz per °C temperature change after 15 minutes warm-up |
Tuning steps | ? | Continuous | ? |
Receiver |
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RX-range | 0.48-30.6 MHz | 1.6-2.7 / 2.7-4.7 MHz | 150-180 / 180-220 / 220-270 / 270-330 / 330-400 / 400-500 MHz |
Modulations | AM SSB | AM CW | AM FM |
Sensitivity | ? | Better than 10 µV | Better than 10 µV (S/N 15 dB) |
Selectivity | ? | ? | 20 kHz @ -6 dB / 50 kHz @ -20 dB |
Filters | ? | ? | ? |
Receiver system | Single conversion superheterodyne | ? | Double conversion superheterodyne |
IF-freqs. | 450 kHz | ? |
1st: 50 MHz 2nd: 5.2 MHz |
Image rejection | ? | Better than 90 dB | ? |
Audio output | ? | ? | 2.5 W |
Transmitter |
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TX-range | - | - | - |
Modulations | - | - | - |
RF-output | ? | ? | ? |
Connections |
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Antenna | Clamps / screws | - | - |
Impedance | ? | 50Ω | 75Ω |
Other | - | - | - |
Electrical |
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Power req. | Mains | 24V DC or mains | Mains (100; 200; 230 V) |
Current RX | ? | 70 mA @ 100-150 VAC | 90 VA |
TX | - | - | - |
Physical |
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Manufactured | Between 1955 and 1961 in Great Britain | Between 1964 and 196x in Great Britain | Between 1964 and 1969 in Great Britain |
Dimensions | ? |
430 × 220 × 250 mm (16.93 × 8.66 × 9.84 in) |
425 × 222 × 346 mm (16.73 × 8.74 × 13.62 in) |
Weight | ? | 14.00 kg (30.9 lbs) | 23.60 kg (52.1 lbs) |
Form factor | Base Station | Base Station | Base Station |
Other features |
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Memories | ? | None | ? |
Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
Features | ? | ? | ? |
Accessories | ? | ? | ? |
MPN | EDDYSTONE-000840/A | EDDYSTONE-000909A | EDDYSTONE-000770U-/-MKII |