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General |
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HAM bands | 80m 40m 20m 15m 10m | 2m 70cm 33cm | ? |
Freq. stability | ± 50 cps per hour after warm up | ? | ± 5 ppm (380 Hz maximum) |
Tuning steps | ? | 5 / 12.5 / 25 kHz | 25 / 50 kHz |
Receiver |
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RX-range | 10-80 m | 68-88 / 118-174 / 380-512 / 806-960 MHz (Europe) | 30-75.975 MHz |
Modulations | AM CW SSB | AM FM | FM |
Sensitivity | 0.5 µV for 10 dB S/N in SSB mode |
68-88 MHz: ? µV 118-137 MHz: 2 µV 137-174 MHz: 1 µV 380-512 MHz: 1 µV 806-960 MHz: 2 µV |
Less than 0.5 uV r.m.s. e.m.f. for 6 dB S/N at 1000 Hz modulation frequency and N full deviation. |
Selectivity | SSB: 2.8 kHz (-6 dB) | ? |
300 Hz: -3 dB 1000 Hz: 0 dB 3000 Hz: -3 dB |
Filters | ? | ? | ? |
Receiver system | Double conversion superheterodyne | Triple conversion superheterodyne | ? |
IF-freqs. | ? |
1st: 257.5 MHz 2nd: 21.4 MHz 3rd: 455 kHz |
? |
Image rejection | ? | ? | > 100 dB |
Audio output | Requires external speaker | Internal speaker | ? |
Transmitter |
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TX-range | 10-80 m | - | 30-75.975 MHz |
Modulations | AM CW SSB | - | FM |
RF-output | AM: 100 W (input), SSB: 200 W (PEP input), CW: 200 W (input) | ? | 0.1 / 1 / 15 / 50 W |
Connections |
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Antenna | SO-239 + Clamps / screws | Built-in telescopic | BNC + Proprietary (military) |
Impedance | 25/100Ω | 50Ω | 50Ω |
Other | - | - | - |
Electrical |
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Power req. | Mains (NCX-A) | 13.8 V DC or mains | 21.5-34V DC (28V nominal) |
Current RX | ? | 8 / 13 W | 3 A |
TX | ? | - | 10 A max @ 24V DC |
Physical |
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Manufactured | Between 1965 and 196x in USA | Between 199x and 199x in China (By GRE) | Between 197x and 19xx in England |
Dimensions |
350 × 165 × 310 mm (13.78 × 6.50 × 12.20 in) |
216 × 82 × 171 mm (8.50 × 3.23 × 6.73 in) |
242 × 217 × 259 mm (9.53 × 8.54 × 10.20 in) |
Weight | 10.40 kg (22.9 lbs) | 1.10 kg (2.4 lbs) | 22.00 kg (48.5 lbs) |
Form factor | Base Station | Base Station | Mobile |
Other features |
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Memories | None | 200 channels in 1 bank(s) @ 25 channels/second | 1840 channels in 1 bank(s) |
Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Military communication |
Features | ? | ? | ? |
Accessories | NCX-A Power supply / speaker | ? | ? |
MPN | NATIONAL-COMPANY-NCX-000005-MKII | 20-9461 | CLANSMAN-VRC-000353 |