Compare specifications between amateur radios. Simply select up to 3 radios and compare them side-by-side, including images and descriptions.
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General |
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| HAM bands | ? | ? | 11m (CB) |
| Freq. stability | ? | ? | ? |
| Tuning steps | ? | ? | Channelized |
Receiver |
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| RX-range | 480 kHz - 30 MHz in five bands | 0.55-30 MHz in 5 bands | 11 m (26.965-27.405 MHz) |
| Modulations | AM CW | AM CW SSB | AM |
| Sensitivity | ? | better than 5 µV (15 µV for 550-1500 kHz) | ? |
| Selectivity | ? | ? | ? |
| Filters | ? | 5 kHz (6 dB) 25 kHz (40 dB) | ? |
| Receiver system | Single Conversion Superheterodyne, 15 tubes | ? | ? |
| IF-freqs. | ? | 465 kHz | ? |
| Image rejection | ? | ? | ? |
| Audio output | ? | 1 W | ? |
Transmitter |
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| TX-range | - | - | 11 m (26.965-27.405 MHz) |
| Modulations | - | - | AM |
| RF-output | ? | ? | 5 W |
Connections |
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| Antenna | - | SO-239 | SO-239 |
| Impedance | 50 Ω | 75/400Ω | ? |
| Other | - | - | - |
Electrical |
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| Power req. | Mains | Mains, 12V DC or 6×U2 cells | Mains |
| Current RX | 80 W | 36-180 mA | ? |
| TX | - | - | ? |
Physical |
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| Manufactured | Between 1952 and 1962 in Great Britain | Between 1967 and 196x in Great Britain | Between 1958 and 196x in USA |
| Dimensions |
426 × 222 × 381 mm (16.77 × 8.74 × 15.00 in) |
317 × 162 × 203 mm (12.48 × 6.38 × 7.99 in) |
? |
| Weight | 21.30 kg (47.0 lbs) | 5.80 kg (12.8 lbs) less batteries | ? |
| Form factor | Base Station | Base Station | Base Station |
Other features |
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| Memories | ? | ? | ? |
| Usage | Amateur / Ham radio operators | Marine / Navy | Citizen Band (27Mc) |
| Features | • ¼" Head. Jack • S-Meter • Rack Handles • Calibrator 100 kHz • RF Gain • BFO ±3 kHz • Mute • 140:1 Tune Ratio • Standby • NL • Dial Lamp • Dimmer (back panel) • AVC ON/OFF • Flywheel Tuning | ? | XTAL |
| Accessories | ? | ? | ? |
| MPN | EDDYSTONE-000680X | EDDYSTONE-EC000010 | EF-JOHNSON-MESSENGER-I |