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 | ? | ? |
| Freq. stability | ? | ? | ? |
| Tuning steps | ? | ? | ? |
Receiver |
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| RX-range | - |
50-430 kHz / 0.48-35 MHz Bandspread on ham bands |
0.55-30 MHz |
| Modulations | - | AM CW | AM CW |
| Sensitivity | ? | ? | ? |
| Selectivity | ? | ? | ? |
| Filters | ? | ? | ? |
| Receiver system | ? | 11 tubes + voltage regulator | Single conversion |
| IF-freqs. | ? | ? | 455 kHz |
| Image rejection | ? | ? | ? |
| Audio output | ? | ? | ? |
Transmitter |
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| TX-range | 80-10 + 6 m | - | - |
| Modulations | AM CW | - | - |
| RF-output | AM: 40 W, CW: 70 W | ? | ? |
Connections |
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| Antenna | - | - | - |
| Impedance | ? | 50 Ω | 50 Ω |
| Other | - | - | - |
Electrical |
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| Power req. | Mains | ? | 105-125V AC |
| Current RX | - | ? | ? |
| TX | ? | - | - |
Physical |
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| Manufactured | Between 196x and 196x in USA | Between 1947 and 1949 in USA | Between 1962 and 1963 in USA |
| Dimensions | ? | ? |
343 × 195 × 220 mm (13.50 × 7.68 × 8.66 in) |
| Weight | ? | ? | ? |
| Form factor | Base Station | Base Station | Base Station |
Other features |
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| Memories | ? | ? | ? |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
| Features | XTAL or external VFO | Noise limiter | ? |
| Accessories | ? | ? | ? |
| MPN | E.F.-JOHNSON-VIKING-CHALLENGER | NATIONAL-COMPANY-HRO-000007 | NATIONAL-COMPANY-NC-000105 |