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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 10m | 160m 80m 40m 20m 15m 10m | 2m |
| Freq. stability | ? | ≤ 100 Hz drift per 30 minutes | ± .001% (High band) ± .002% (Low-band) |
| Tuning steps | ? | Continuous | ? |
Receiver |
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| RX-range | 10-80 m | 1.8-30 MHz incl. WWV | 147-174 MHz |
| Modulations | AM CW SSB | AM CW USB LSB | FM |
| Sensitivity | 0.5 µV (10 dB S/N) | 0.3 µV (10 dB S/N) |
≥ 0.5 µV (High-band) ≥ 0.35 µV (Low-band) |
| Selectivity | 5 kHz (-50 dB), 1.8 kHz (-6 dB) |
2.4 kHz @ -6 dB / 4.5 kHz @ -60 dB 600 Hz @ -6 dB / 1.2 kHz @ -60 dB with CW filter |
± 5 kHz @ 6 dB ± 17 kHz @ 100 dB |
| Filters | ? | ? | ? |
| Receiver system | ? conversion superheterodyne, 8 tubes | ? | ? |
| IF-freqs. | ? | ? | ? |
| Image rejection | >50 dB | ? | ? |
| Audio output | ? | 3 W | 1.5 W @ 10% THD, internal speaker |
Transmitter |
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| TX-range | - | 10-80 m | - |
| Modulations | - | AM CW USB LSB | - |
| RF-output | ? | SSB: 260 W PEP, CW: 180 W, AM: 80 W | ? |
Connections |
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| Antenna | - | SO-239 | - |
| Impedance | 50/75 Ω | 50-75Ω | ? |
| Other | - | - | - |
Electrical |
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| Power req. | Mains | Mains or 12 V DC | Mains (117 V AC, 60 cycles) |
| Current RX | ? | 0.5 A | 75 W |
| TX | - | 21 A max | - |
Physical |
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| Manufactured | Between 196x and 19xx in Japan | Between 1975 and 1978 | Between 196x and 19xx in USA |
| Dimensions |
330.2 × 152.4 × 260.35 mm (13.00 × 6.00 × 10.25 in) |
? |
330 × 178 × 187 mm (12.99 × 7.01 × 7.36 in) |
| Weight | 7.94 kg (17.5 lbs) | 15.20 kg (33.5 lbs) | 7.25 kg (16.0 lbs) |
| Form factor | Unknown | Base Station | Base Station |
Other features |
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| Memories | ? | ? | 6 channels in 1 bank(s) |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
| Features | ? | ? | ? |
| Accessories | ? | ? | ? |
| MPN | SOMMERKAMP-FR-000050B | SOMMERKAMP-FT-000277 | HAMMARLUND-MR-000050X |
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