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General |
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HAM bands | 80m 40m 20m 15m 10m | 80m 40m 20m 15m 6m 10m | ? |
Freq. stability | ? | ? | ? |
Tuning steps | Continuous | Continuous | ? |
Receiver |
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RX-range | 10-80 m | - |
0.535-1.605 / 2-4 / 5.85-10.3 / 11.4-18.2 MHz 88-108 / 185-400 MHz |
Modulations | CW USB LSB | - | AM W-FM Stereo |
Sensitivity | 0.5 µV (10 dB S+N/N) | - | ? |
Selectivity | 2.1 kHz (-6 dB), 7 kHz (-60 dB) | - | ? |
Filters | ? | - | ? |
Receiver system | Double conversion superheterodyne | - | Double conversion superheterodyne |
IF-freqs. |
1st: 8.395-8.895 MHz 2nd: 3.395 MHz |
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1st: 10.7 MHz 2nd: 455 kHz |
Image rejection | 50 dB | - | ? |
Audio output | ? | - | Requires external speakers |
Transmitter |
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TX-range | - | 10-80 / 6 m | - |
Modulations | - | AM CW SSB | - |
RF-output | ? | ? | ? |
Connections |
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Antenna | RCA (Tulip) | SO-239 | Built-in ferrite bar |
Impedance | 50Ω | 50Ω | 50Ω |
Other | - | - | - |
Electrical |
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Power req. | 11.5-15V DC or mains | Mains | Mains |
Current RX | Max 750 mA | - | ? |
TX | - | ? | - |
Physical |
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Manufactured | Between 1977 and 1981 in USA | Between 196x and 19xx in Japan | Between 195x and 196x in USA |
Dimensions |
324 × 171 × 304 mm (12.76 × 6.73 × 11.97 in) |
330 × 180 × 310 mm (12.99 × 7.09 × 12.20 in) |
400 × 124 × 310 mm (15.75 × 4.88 × 12.20 in) |
Weight | 6.30 kg (13.9 lbs) | 11.50 kg (25.4 lbs) | 7.50 kg (16.5 lbs) |
Form factor | Base Station | Unknown | 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 | ? | - | ? |
Accessories | ? | - | ? |
MPN | HEATHKIT-HR-001680 | KENWOOD-TX-000310 | HALLICRAFTERS-CR003000 |