Compare rigs
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) |
| Freq. stability | ? | ? | ? |
| Tuning steps | ? | Continuous | Channelized |
Receiver |
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| RX-range | 0.54-31 MHz | 0.2-0.4 / 1-30 MHz | 26.965-27.255 MHz |
| Modulations | AM CW SSB | AM CW | AM |
| Sensitivity | ? | ? | 0.4 µV for 10 dB S/N |
| Selectivity | ? | ? |
7 kHz @ -6 dB 21 kHz @ -60 dB |
| Filters | ? | ? | ? |
| Receiver system | ? | ? | Crystal controlled single conversion superheterodyne |
| IF-freqs. | ? | ? | 455 kHz |
| Image rejection | ? | ? | ? |
| Audio output | ? | ? | 3 W |
Transmitter |
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| TX-range | - | - | 26.965-27.255 MHz |
| Modulations | - | - | AM |
| RF-output | ? | ? | 2.8 W |
Connections |
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| Antenna | Clamps / screws | - | - |
| Impedance | ? | 500Ω | 50Ω |
| Other | - | - | - |
Electrical |
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| Power req. | Mains | Mains 230/115 VAC | Mains |
| Current RX | ? | ? | ? |
| TX | - | - | ? |
Physical |
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| Manufactured | Between 1956 and 1958 in USA | Between 194x and 194x in USA | Between 195x and 196x in USA |
| Dimensions |
511 × 279 × 343 mm (20.12 × 10.98 × 13.50 in) |
? |
143 × 178 × 290 mm (5.63 × 7.01 × 11.42 in) |
| Weight | 31.70 kg (69.9 lbs) | ? | 5.40 kg (11.9 lbs) |
| Form factor | Base Station | Base Station | Base Station |
Other features |
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| Memories | ? | None | 10 channels in 1 bank(s) |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Citizen Band (27Mc) |
| Features | ? | ? | ? |
| Accessories | ? | ? | ? |
| MPN | HAMMARLUND-HQ-000150 | NATIONAL-COMPANY-NC-000002-40CS | E.F.-JOHNSON-MESSENGER-II |
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