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 | 2000m | |
| Freq. stability | ± 50 cps per hour after warm up | ? | |
| Tuning steps | ? | Continuous | |
Receiver |
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| RX-range | 10-80 m | 15-500 / 500-1500 kHz (2 ranges, 7 bands) | |
| Modulations | AM CW SSB | AM CW FSK | |
| Sensitivity | 0.5 µV for 10 dB S/N in SSB mode | 6 µV | |
| Selectivity | SSB: 2.8 kHz (-6 dB) | ? | |
| Filters | ? | 0.1 / 1 / 2 / 4 / 8 kHz | |
| Receiver system | Double conversion superheterodyne | Double conversion cuperheterodyne, including circuit arragement for cancelling drift of crystal oscillator (34 tubes) | |
| IF-freqs. | ? | ? | |
| Image rejection | ? | ? | |
| Audio output | Requires external speaker | 500 mW unbalanced, 10 mW balanced | |
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 | SO-239 + Clamps / screws | Proprietary | |
| Impedance | 25/100Ω | 125Ω | |
| Other | - | - | |
Electrical |
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| Power req. | Mains (NCX-A) | Mains (115/230 V AC) | |
| Current RX | ? | 250 W with oven on, 150 W when oven off | |
| TX | ? | - | |
Physical |
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| Manufactured | Between 1965 and 196x in USA | Between 1951 and 19xx in USA | |
| Dimensions |
350 × 165 × 310 mm (13.78 × 6.50 × 12.20 in) |
483 × 267 × 438 mm (19.02 × 10.51 × 17.24 in) |
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| Weight | 10.40 kg (22.9 lbs) | 37.20 kg (82.1 lbs) including power supply PP-621/URR | |
| Form factor | Base Station | Base Station | |
Other features |
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| Memories | None | None | |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | |
| Features | ? | Operating altitude up to 10,000 feet | |
| Accessories | NCX-A Power supply / speaker | ? | |
| MPN | NATIONAL-COMPANY-NCX-000005-MKII | COLLINS-R-000389/URR | |