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General |
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HAM bands | ? | ? | 70cm |
Freq. stability | ± 0.2 PPM | ? | ? |
Tuning steps | 1 / 10 / 100 Hz, 1 / 5 / 9 / 10 / 100 kHz | ? | ? |
Receiver |
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RX-range | 0.09-30 MHz | - | 430-440 MHz |
Modulations | AM CW USB LSB DSB ISB FSK FAX | - | AM FM CW SSB |
Sensitivity | 2µV SSB 1.6-30 MHz (10 dB S+N/N) | ? | ? |
Selectivity | 6.0 / 3.0 / 2.7 / 1.0 / 0.5 / 0.3 kHz | ? | ? |
Filters | ? | ? | ? |
Receiver system | Triple Conversion Superheterodyne | ? | Double/triple conversion |
IF-freqs. |
1st 70.455 MHz 2nd 455 kHz 3rd 17 kHz |
? | ? |
Image rejection | > 70 dB | ? | ? |
Audio output | 1W | ? | ? |
Transmitter |
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TX-range | - | - | 430-440 MHz |
Modulations | - | - | AM FM CW SSB |
RF-output | ? | ? | 10 W (AM: 4W) |
Connections |
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Antenna | - | - | SO-239 |
Impedance | 50 Ω | ? | 50 Ω |
Other | - | - | - |
Electrical |
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Power req. | 24V DC or mains | Mains (120 / 240 V AC) | 12V DC |
Current RX | ? | - | ? |
TX | - | - | ? |
Physical |
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Manufactured | Between 2007 and 200x | Between 197x and 197x in USA (late seventies) | Between 1976 and 1979 in Japan |
Dimensions |
480 × 149 × 294 mm (18.90 × 5.87 × 11.57 in) |
? | ? |
Weight | 10.00 kg (22.1 lbs) | ? | ? |
Form factor | Base Station | Base Station | Base Station |
Other features |
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Memories | 300 channels in 1 bank(s) | ? | 10 channels in 1 bank(s) |
Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
Features | ? | ? |
10 crystal controlled channels optional R-707PS Power supply / speaker unit |
Accessories | ? | ? | ? |
MPN | JRC-NRD-000630 | HEATHKIT-HWA-002036-3 | BELCOM-LS-000707 |