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 40m 20m 10m | ? | 160m 80m 60m 40m 30m (WARC) 20m 17m (WARC) 15m 12m (WARC) 11m (CB) 10m |
| Freq. stability | ? | ? | ? |
| Tuning steps | Continuous | ? | Continuous |
Receiver |
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| RX-range | 0.54-38.1 MHz in five bands | 0.54-32 MHz in four bands | 0.535-31.5 (1.610-1.725 gap) |
| Modulations | AM CW | AM CW | AM CW SSB |
| Sensitivity | ? | ? | ? |
| Selectivity | ? | ? | ? |
| Filters | ? | ? | ? |
| Receiver system | ? | 5 tubes | ? |
| IF-freqs. | ? | ? | ? |
| Image rejection | ? | ? | ? |
| Audio output | ? | ? | Requires external speaker |
Transmitter |
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| TX-range | - | - | - |
| Modulations | - | - | - |
| RF-output | ? | ? | ? |
Connections |
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| Antenna | - | - | - |
| Impedance | ? | ? | 50Ω |
| Other | - | - | - |
Electrical |
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| Power req. | Mains | Mains (AC or DC) | Mains |
| Current RX | ? | ? | ? |
| TX | - | - | - |
Physical |
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| Manufactured | Between 1938 and 19xx in USA | Between 1949 and 195x in USA | Between 1968 and 1972 in USA |
| Dimensions | ? |
330 × 178 × 184 mm (12.99 × 7.01 × 7.24 in) |
464 × 203 × 248 mm (18.27 × 7.99 × 9.76 in) |
| Weight | ? | ? | 14.10 kg (31.1 lbs) |
| Form factor | Unknown | Base Station | Base Station |
Other features |
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| Memories | None | ? | None |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
| Features | Separate speaker. S-meter option | ? | ? |
| Accessories | ? | ? | ? |
| MPN | HALLICRAFTERS-S-000018-SKY-CHALLENGER-II | HALLICRAFTERS-S-000038A | HALLICRAFTERS-SX-000133 |