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 | 160m 80m 60m 40m 30m (WARC) 20m 17m (WARC) 15m 12m (WARC) 11m (CB) 10m | 11m (CB) | 11m (CB) |
| Freq. stability | 1 ppm/month, 1 Hz/°C after 15 min. warm-up at 25°C typical | ? | ? |
| Tuning steps | ? | Channelized | Channelized |
Receiver |
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| RX-range | 10 kHz - 30 MHz | 26.965-27.255 MHz | 26.965-27.255 MHz |
| Modulations | AM CW USB LSB AFSK | AM | AM SSB |
| Sensitivity | 0.25 µV (-118 dBm or better) for 10 dB S:N | 0.4 µV for 10 dB S/N | ? |
| Selectivity | ? |
7 kHz @ -6 dB 21 kHz @ -60 dB |
? |
| Filters | ? | ? | ? |
| Receiver system | Double conversion superheterodyne | Crystal controlled single conversion superheterodyne | ? |
| IF-freqs. |
1st: 40.455 MHz 2nd: 455 kHz |
455 kHz | ? |
| Image rejection | 80 dB | ? | ? |
| Audio output | ? | 3 W | ? |
Transmitter |
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| TX-range | 1.6-30 MHz | 26.965-27.255 MHz | 26.965-27.255 MHz |
| Modulations | CW USB LSB AFSK | AM | AM SSB |
| RF-output | 150 W (200 W high power option) | 2.8 W | 4 W |
Connections |
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| Antenna | SO-239 | - | - |
| Impedance | 50Ω | 50Ω | ? |
| Other | - | - | - |
Electrical |
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| Power req. | 12-15V DC or mains | Mains | ? |
| Current RX | ? | ? | ? |
| TX | Max 40 A | ? | ? |
Physical |
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| Manufactured | Between 1981 and 1984 in USA | Between 195x and 196x in USA | Between 19xx and 19xx |
| Dimensions |
412 × 198 × 452 mm (16.22 × 7.80 × 17.80 in) |
143 × 178 × 290 mm (5.63 × 7.01 × 11.42 in) |
? |
| Weight | 22.70 kg (50.1 lbs) | 5.40 kg (11.9 lbs) | ? |
| Form factor | Base Station | Base Station | Base Station |
Other features |
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| Memories | 9 channels in 1 bank(s) | 10 channels in 1 bank(s) | 23 channels in bank(s) |
| Usage | Amateur / Ham radio operators | Citizen Band (27Mc) | Citizen Band (27Mc) |
| Features | Dual VFO. Full QSK Computer control | ? | ? |
| Accessories | ? | ? | ? |
| MPN | SIGNAL/ONE-MILSPEC-001030 | E.F.-JOHNSON-MESSENGER-II | HY-GAIN-VIII-(003078) |