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 2000m |
Freq. stability | ? | ? | ? |
Tuning steps | Continuous | ? | Continuous |
Receiver |
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RX-range | 0.54-38.1 MHz in five bands | 0.538-34 MHz in four bands | 14-21 KHz / 0.085-30.3 MHz |
Modulations | AM CW | AM CW | AM CW SSB |
Sensitivity | ? | ? | ? |
Selectivity | ? | ? | ? |
Filters | ? | Crystal | ? |
Receiver system | ? | 8 tubes | 19 tubes |
IF-freqs. | ? | ? | ? |
Image rejection | ? | ? | ? |
Audio output | ? | ? | ? |
Transmitter |
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TX-range | - | - | - |
Modulations | - | - | - |
RF-output | ? | ? | ? |
Connections |
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Antenna | - | - | - |
Impedance | ? | 52/600 Ω | 60Ω |
Other | - | - | - |
Electrical |
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Power req. | Mains | Mains | Mains |
Current RX | ? | ? | ? |
TX | - | - | - |
Physical |
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Manufactured | Between 1938 and 19xx in USA | Between 1955 and 1958 | Between 196x and 196x in Germany |
Dimensions | ? |
476 × 229 × 273 mm (18.74 × 9.02 × 10.75 in) |
550 × 350 × 380 mm (21.65 × 13.78 × 14.96 in) |
Weight | ? | 13.00 kg (28.7 lbs) | 35.00 kg (77.2 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-SX-000099 | SIEMENS-000745-E310 |