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General |
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HAM bands | 2000m | ||
Freq. stability | ? | ||
Tuning steps | Continuous | ||
Receiver |
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RX-range | 15-500 / 500-1500 kHz (2 ranges, 7 bands) | ||
Modulations | AM CW FSK | ||
Sensitivity | 6 µV | ||
Selectivity | ? | ||
Filters | 0.1 / 1 / 2 / 4 / 8 kHz | ||
Receiver system | Double conversion cuperheterodyne, including circuit arragement for cancelling drift of crystal oscillator (34 tubes) | ||
IF-freqs. | ? | ||
Image rejection | ? | ||
Audio output | 500 mW unbalanced, 10 mW balanced | ||
Transmitter |
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TX-range | - | ||
Modulations | - | ||
RF-output | ? | ||
Connections |
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Antenna | Proprietary | ||
Impedance | 125Ω | ||
Other | - | ||
Electrical |
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Power req. | Mains (115/230 V AC) | ||
Current RX | 250 W with oven on, 150 W when oven off | ||
TX | - | ||
Physical |
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Manufactured | Between 1951 and 19xx in USA | ||
Dimensions |
483 × 267 × 438 mm (19.02 × 10.51 × 17.24 in) |
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Weight | 37.20 kg (82.1 lbs) including power supply PP-621/URR | ||
Form factor | Base Station | ||
Other features |
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Memories | None | ||
Usage | Amateur / Ham radio operators | ||
Features | Operating altitude up to 10,000 feet | ||
Accessories | ? | ||
MPN | COLLINS-R-000389/URR |