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 | 80m 40m 20m 15m 6m 10m | 160m 80m 40m 20m 15m 10m | 11m (CB) |
| Freq. stability | ? | ? | ? |
| Tuning steps | ? | ? | Channelized |
Receiver |
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| RX-range | - | - | 26.965-27.405 MHz |
| Modulations | - | - | AM FM |
| Sensitivity | ? | ? | 0.5 µV |
| Selectivity | ? | ? | ? |
| Filters | ? | ? | ? |
| Receiver system | ? | ? | ? |
| IF-freqs. | ? | ? | ? |
| Image rejection | ? | ? | 70 dB |
| Audio output | ? | ? | ? |
Transmitter |
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| TX-range | 80-10 + 6 m | 160-10 m | 26.965-27.405 MHz |
| Modulations | AM CW | AM CW | AM FM |
| RF-output | AM: 40 W, CW: 70 W | CW: 115 W, AM: 100 W | 4 W |
Connections |
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| Antenna | - | - | SO-239 |
| Impedance | ? | ? | 50Ω |
| Other | - | - | - |
Electrical |
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| Power req. | Mains | Mains | 13.8 V DC |
| Current RX | - | - | 200 mA |
| TX | ? | ? | 1 A |
Physical |
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| Manufactured | Between 196x and 196x in USA | Between 1949 and 1952 in USA | Between 19xx and 19xx in USA |
| Dimensions | ? |
530 × 285 × 380 mm (20.87 × 11.22 × 14.96 in) |
115 × 40 × 200 mm (4.53 × 1.57 × 7.87 in) |
| Weight | ? | ? | 450 gr (15.9 oz) |
| Form factor | Base Station | Base Station | Mobile |
Other features |
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| Memories | ? | ? | 40 channels in 1 bank(s) |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Citizen Band (27Mc) |
| Features | XTAL or external VFO | 11 tubes | ? |
| Accessories | ? | ? | ? |
| MPN | E.F.-JOHNSON-VIKING-CHALLENGER | E.F.-JOHNSON-VIKING-I | PRESIDENT-BILLY |