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General |
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HAM bands | 80m 40m 20m 15m 10m | 11m (CB) | |
Freq. stability | ± 50 cps per hour after warm up | 0.005% | |
Tuning steps | ? | Channelized | |
Receiver |
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RX-range | 10-80 m | 26.965-27.255 MHz | |
Modulations | AM CW SSB | AM | |
Sensitivity | 0.5 µV for 10 dB S/N in SSB mode | 0.6 µV for 10 dB S+N/N | |
Selectivity | SSB: 2.8 kHz (-6 dB) | 4 kHz @ -6 dB, 20 kHz @ -60 dB | |
Filters | ? | ? | |
Receiver system | Double conversion superheterodyne | Double conversion superheterodyne | |
IF-freqs. | ? |
1st: 7.8 MHz 2nd: 455 kHz |
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Image rejection | ? | ≥ 50 dB | |
Audio output | Requires external speaker | 3 W @ 10% THD | |
Transmitter |
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TX-range | 10-80 m | 26.965-27.255 MHz | |
Modulations | AM CW SSB | AM | |
RF-output | AM: 100 W (input), SSB: 200 W (PEP input), CW: 200 W (input) | 4 W | |
Connections |
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Antenna | SO-239 + Clamps / screws | SO-239 | |
Impedance | 25/100Ω | 50Ω | |
Other | - | - | |
Electrical |
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Power req. | Mains (NCX-A) | 13.8 V DC | |
Current RX | ? | 0.3-1.3 A | |
TX | ? | 1.8 A | |
Physical |
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Manufactured | Between 1965 and 196x in USA | Between 1975 and 197x in USA | |
Dimensions |
350 × 165 × 310 mm (13.78 × 6.50 × 12.20 in) |
140 × 50 × 160 mm (5.51 × 1.97 × 6.30 in) |
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Weight | 10.40 kg (22.9 lbs) | 1.15 kg (2.5 lbs) | |
Form factor | Base Station | Mobile | |
Other features |
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Memories | None | 23 channels in 1 bank(s) | |
Usage | Amateur / Ham radio operators | Citizen Band (27Mc) | |
Features | ? | ANL | |
Accessories | NCX-A Power supply / speaker | - | |
MPN | NATIONAL-COMPANY-NCX-000005-MKII | TRAM-XL |