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 | 10m | 160m 80m 40m 20m 15m 10m |
Freq. stability | ± 50 cps per hour after warm up | ? | ? |
Tuning steps | ? | 10 kHz | ? |
Receiver |
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RX-range | 10-80 m | 28 MHz (80 channels) | 10-160 m |
Modulations | AM CW SSB | AM CW USB LSB | CW USB LSB FSK |
Sensitivity | 0.5 µV for 10 dB S/N in SSB mode | ? | 0.33 µV for 10 dB S+N/N at 10m (2 kHz bandwidth) |
Selectivity | SSB: 2.8 kHz (-6 dB) | ? |
SSB: 2 kHz, 1.5:1 (-6 dB) FSK: 1200 Hz, 2:1 Optional: CW: 400 Hz, 4:1 and 300 Hz, 2:1 |
Filters | ? | ? | ? |
Receiver system | Double conversion superheterodyne | ? | ? |
IF-freqs. | ? | ? | ? |
Image rejection | ? | >50 dB | > 60 dB |
Audio output | Requires external speaker | Internal speaker | 1 W |
Transmitter |
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TX-range | 10-80 m | 28 MHz (80 channels) | 10-160 m |
Modulations | AM CW SSB | AM CW USB LSB | CW USB LSB FSK |
RF-output | AM: 100 W (input), SSB: 200 W (PEP input), CW: 200 W (input) | 18 W | 1-150 W (130 W max above 28 MHz) |
Connections |
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Antenna | SO-239 + Clamps / screws | SO-239 | SO-239 |
Impedance | 25/100Ω | 50Ω | 50 Ω |
Other | - | - | - |
Electrical |
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Power req. | Mains (NCX-A) | 13.8V DC | Mains (115/230 V, 50-400 Hz) |
Current RX | ? | ? | 100 W |
TX | ? | ? | 400 W |
Physical |
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Manufactured | Between 1965 and 196x in USA | Between 197x and 19xx in Japan | Between 1971 and 197x in USA |
Dimensions |
350 × 165 × 310 mm (13.78 × 6.50 × 12.20 in) |
? |
413 × 184 × 356 mm (16.26 × 7.24 × 14.02 in) |
Weight | 10.40 kg (22.9 lbs) | ? | 15.90 kg (35.1 lbs) |
Form factor | Base Station | Mobile | Base Station |
Other features |
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Memories | None | 80 channels in 1 bank(s) | ? |
Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
Features | ? | ? |
Dual VFO, built-in keyer and full QSK Advanced features for such an old radio. 60 dB attenuator |
Accessories | NCX-A Power supply / speaker | ? | ? |
MPN | NATIONAL-COMPANY-NCX-000005-MKII | SOMMERKAMP-TS-000310DX | SIGNAL/ONE-CX-000007A |