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 | 6m | 80m 40m 20m 15m 10m | 2000m |
| Freq. stability | ? | ± 50 cps per hour after warm up | ? |
| Tuning steps | Continuous | ? | Continuous |
Receiver |
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| RX-range | 50-54 MHz | 10-80 m | 15-500 / 500-1500 kHz (2 ranges, 7 bands) |
| Modulations | AM CW | 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 | 50-54 MHz | 10-80 m | - |
| Modulations | AM CW | AM CW SSB | - |
| RF-output | 1 W | 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 | 50Ω | 25/100Ω | 125Ω |
| Other | - | - | - |
Electrical |
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| Power req. | 12V DC (8R14 / C batteries) | Mains (NCX-A) | Mains (115/230 V AC) |
| Current RX | 50 mA | ? | 250 W with oven on, 150 W when oven off |
| TX | Max 400 mA | ? | - |
Physical |
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| Manufactured | Between 1976 and 19xx in Japan | Between 1965 and 196x in USA | Between 1951 and 19xx in USA |
| Dimensions |
165 × 63 × 185 mm (6.50 × 2.48 × 7.28 in) |
350 × 165 × 310 mm (13.78 × 6.50 × 12.20 in) |
483 × 267 × 438 mm (19.02 × 10.51 × 17.24 in) |
| Weight | 1.50 kg (3.3 lbs) | 10.40 kg (22.9 lbs) | 37.20 kg (82.1 lbs) including power supply PP-621/URR |
| Form factor | Unknown | Base Station | Base Station |
Other features |
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| Memories | None | None | None |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
| Features | ? | ? | Operating altitude up to 10,000 feet |
| Accessories | ? | NCX-A Power supply / speaker | ? |
| MPN | MIZUHO-MK-000610 | NATIONAL-COMPANY-NCX-000005-MKII | COLLINS-R-000389/URR |