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Compare specifications between amateur radios. Simply select up to 4 radios and compare them side-by-side, including images and descriptions.
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General |
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| Current value |
USD 37
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USD 188 ~ USD 349
(similar rigs)
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| Rating | No reviews yet | No reviews yet |
| HAM bands | ? | ? |
| Freq. stability | ? | ? |
| Tuning steps | Continuous | Continuous |
Receiver |
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| RX-range |
15,5-26,6 / 23,5-41 / 37,5-65 / 64-115 meter 110-175 / 170-300 / 290 - 570 meter optional |
545 kHz - 33 MHz with plug-in coils |
| Modulations | AM | AM CW |
| Sensitivity | ? | ? |
| Selectivity | ? | ? |
| Filters | ? | XTAL-filter was added in later versions |
| Receiver system | TRF with regeneration | Single conversion superheterodyne |
| IF-freqs. | ? | 465 kHz |
| Image rejection | ? | ? |
| Audio output | ? | 1 W |
Transmitter |
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| TX-range | - | - |
| Modulations | - | - |
| RF-output | ? | ? |
Connections |
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| Antenna | - | Clamps / screws |
| Impedance | 50Ω | ? |
| Other | - | - |
Electrical |
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| Power req. | 6 + 45 + 135 + 180 V | Mains |
| Current RX | ? | ? |
| TX | - | - |
Physical |
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| Manufactured | Between 1929 and 1935 in USA | Between 1932 and 1935 in USA |
| Dimensions | ? |
527 × 241 × 349 mm (20.75 × 9.49 × 13.74 in) |
| Weight | ? | ? |
| Form factor | Base Station | Base Station |
Other features |
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| Memories | None | ? |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators |
| Features | ? | ? |
| Accessories | External PSU: National 3580B | ? |
| MPN | NATIONAL-COMPANY-SW-000004 | HAMMARLUND-COMET-PRO |
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