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General |
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HAM bands | ? | ? | |
Freq. stability | ? | Below 10 MHz: 50 Hz/MHz Above 10 MHz: 20 Hz/MHz Both after 30 minutes warm-up | |
Tuning steps | ? | ? | |
Receiver |
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RX-range | 0.05-54 MHz (0.48-35 MHz for early versions) | 0.48-30 MHz in 5 bands | |
Modulations | AM FM CW | AM CW | |
Sensitivity | ? |
AM: 5 µV CM 1-2 µV |
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Selectivity | ? | 1.5 / 3.0 / 6.0 / 12.0 kHz selectable (-6 dB) | |
Filters | ? | 500 Hz switchable crystal filter | |
Receiver system | Single / Double conversion, 15 tubes | Superheterodyne | |
IF-freqs. |
1st: 2010 kHz 2nd: 455 kHz |
450 kHz | |
Image rejection | ? | ? | |
Audio output | 8 W | 1 W | |
Transmitter |
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TX-range | - | - | |
Modulations | - | - | |
RF-output | ? | ? | |
Connections |
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Antenna | - | - | |
Impedance | 50/75 Ω | 70/80Ω | |
Other | - | - | |
Electrical |
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Power req. | Mains (115/230 V AC) | Mains (100-125 or 200-250 V AC) or external PSU | |
Current RX | ? | 80 W | |
TX | - | - | |
Physical |
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Manufactured | Between 1952 and 1964 in USA | Between 1959 and 196x in Great Britain | |
Dimensions |
502 × 257 × 419 mm (19.76 × 10.12 × 16.50 in) |
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Weight | ? | ? | |
Form factor | Base Station | Base Station | |
Other features |
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Memories | ? | ? | |
Usage | Amateur / Ham radio operators | Military communication | |
Features | ? | ? | |
Accessories | ? | ? | |
MPN | NATIONAL-COMPANY-HRO-000060 | EDDYSTONE-000730/6 |