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General |
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HAM bands | ? | ? | 80m 40m 20m 15m 10m |
Freq. stability | ? | ? | 1500 Hz first 30 min, after that 400 Hz at room temperature |
Tuning steps | ? | ? | ? |
Receiver |
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RX-range | 0.55-30 MHz | 0.54-30 MHz | 80-10 m |
Modulations | AM CW SSB | AM CW | AM CW SSB |
Sensitivity | ? | ? | 0.5µV for 10dB S/N in SSB |
Selectivity | ? | ? | SSB: 2.8 kHz (-6 dB) |
Filters | ? | ? | ? |
Receiver system | Single conversion | ? | Singel conversion with premixed crytal-controlled HF-oscillators and tunable VFO |
IF-freqs. | ? | ? | ? |
Image rejection | ? | ? | ? |
Audio output | internal speaker | ? | 2W @ 3.2 ohms |
Transmitter |
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TX-range | - | - |
80-10 m (USB on 20, 15 and 10 m, LSB on 80 and 40 m) |
Modulations | - | - | AM CW SSB |
RF-output | ? | ? | AM: 125 W, SSB: 500 W (PEP), CW: 390 W |
Connections |
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Antenna | - | - | Clamps / screws |
Impedance | 50 Ω | 50 Ω | 40-60Ω |
Other | - | - | - |
Electrical |
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Power req. | 105-125 V AC | Mains | Mains (117 or 234 V AC ±10%) |
Current RX | ? | ? | ? |
TX | - | - | ? |
Physical |
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Manufactured | Between 1963 and 1966 in USA | Between 1937 and 1939 in USA | Between 19xx and 19xx in USA |
Dimensions |
342 × 195 × 229 mm (13.46 × 7.68 × 9.02 in) |
? |
197 × 165 × 280 mm (7.76 × 6.50 × 11.02 in) |
Weight | 12.70 kg (28.0 lbs) | ? | 9.50 kg (21.0 lbs) |
Form factor | Base Station | Base Station | Base Station |
Other features |
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Memories | ? | ? | ? |
Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
Features | ? | ? |
Full AGC S-Meter ALC |
Accessories | ? | ? | ? |
MPN | NATIONAL-COMPANY-NC-000121 | NATIONAL-COMPANY-NC-000081X | NATIONAL-COMPANY-NCX-000500 |