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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 |
| Freq. stability | ? | ? | ± 50 cps per hour after warm up |
| Tuning steps | ? | ? | ? |
Receiver |
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| RX-range | 0.005-30 MHz (60×500 kHz bands) | 0.54-30 MHz | 10-80 m |
| Modulations | AM CW SSB FSK | AM CW | AM CW SSB |
| Sensitivity |
0.5-30 MHz: AM: <2 µV (10 dB S/N) SSB/CW: <1 µV (10 dB S/N) 0.005-0.5 MHz: 25-200 µV (10 dB S/N) |
? | 0.5 µV for 10 dB S/N in SSB mode |
| Selectivity | ? | ? | SSB: 2.8 kHz (-6 dB) |
| Filters | ? | ? | ? |
| Receiver system | Triple conversion superheterodyne | ? | Double conversion superheterodyne |
| IF-freqs. |
1st: ? MHz 2nd: ? MHz 3rd: 230 KHz |
? | ? |
| Image rejection | 0.5-30 MHz: 80 dB average, 50 dB minimum | ? | ? |
| Audio output | ? | ? | Requires external speaker |
Transmitter |
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| TX-range | - | - | 10-80 m |
| Modulations | - | - | AM CW SSB |
| RF-output | ? | ? | AM: 100 W (input), SSB: 200 W (PEP input), CW: 200 W (input) |
Connections |
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| Antenna | Hi-Z | - | SO-239 + Clamps / screws |
| Impedance | 50 Ω | 50 Ω | 25/100Ω |
| Other | - | - | - |
Electrical |
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| Power req. | 11-16V DC or mains 115/230 VAC | ? | Mains (NCX-A) |
| Current RX | ? | ? | ? |
| TX | - | - | ? |
Physical |
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| Manufactured | Between 1964 and 1972 in USA | Between 1937 and 1939 in USA | Between 1965 and 196x in USA |
| Dimensions |
420 × 195 × 320 mm (16.54 × 7.68 × 12.60 in) |
? |
350 × 165 × 310 mm (13.78 × 6.50 × 12.20 in) |
| Weight | 14.50 kg (32.0 lbs) | ? | 10.40 kg (22.9 lbs) |
| Form factor | Base Station | Base Station | Base Station |
Other features |
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| Memories | ? | ? | None |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
| Features | ? | ? | ? |
| Accessories | ? | ? | NCX-A Power supply / speaker |
| MPN | NATIONAL-COMPANY-HRO-000500 | NATIONAL-COMPANY-NC-000080X | NATIONAL-COMPANY-NCX-000005-MKII |
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