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Compare specifications between amateur radios. Simply select up to 3 radios and compare them side-by-side, including images and descriptions.
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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 | ? | Continuous | ? |
Receiver |
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| RX-range | 0.5-35 MHz |
15,5-26,6 / 23,5-41 / 37,5-65 / 64-115 meter 110-175 / 170-300 / 290 - 570 meter optional |
0.48-30 MHz in 5 bands |
| Modulations | AM CW | AM | AM CW |
| Sensitivity | ? | ? |
AM: 5 µV CM 1-2 µV |
| Selectivity | ? | ? | 1.5 / 3.0 / 6.0 / 12.0 kHz selectable (-6 dB) |
| Filters | ? | ? | 500 Hz switchable crystal filter |
| Receiver system | ? | TRF with regeneration | Superheterodyne |
| IF-freqs. | ? | ? | 450 kHz |
| Image rejection | ? | ? | ? |
| Audio output | ? | ? | 1 W |
Transmitter |
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| TX-range | - | - | - |
| Modulations | - | - | - |
| RF-output | ? | ? | ? |
Connections |
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| Antenna | - | - | - |
| Impedance | 50/75 Ω | 50Ω | 70/80Ω |
| Other | - | - | - |
Electrical |
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| Power req. | Mains | 6 + 45 + 135 + 180 V | Mains (100-125 or 200-250 V AC) or external PSU |
| Current RX | ? | ? | 80 W |
| TX | - | - | - |
Physical |
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| Manufactured | Between 1948 and 1950 in USA | Between 1929 and 1935 in USA | Between 1959 and 196x in Great Britain |
| Dimensions | ? | ? | ? |
| Weight | ? | ? | ? |
| Form factor | Base Station | Base Station | Base Station |
Other features |
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| Memories | ? | None | ? |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Military communication |
| Features | ? | ? | ? |
| Accessories | ? | External PSU: National 3580B | ? |
| MPN | NATIONAL-COMPANY-NC-000033 | NATIONAL-COMPANY-SW-000004 | EDDYSTONE-000730/6 |
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