Compare rigs
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 | ? | ? | 80m 40m 20m 15m 10m |
| Freq. stability | less than 100 Hz drift after 10 minutes warmup | ? | Typically less than 500 Hz pr hour after a 30-minute warm-up. Typically less than 150 Hz pr 30 minutes after a 90-minute warm-up |
| Tuning steps | ? | ? | Continuous |
Receiver |
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| RX-range | 15/20/40 m | 15-80 m | 10-80 m |
| Modulations | CW SSB | CW | CW |
| Sensitivity | less than 1 µV provides readable signal | ? |
≤ 0.5 µV for 10 dB S+N/N ≤ 0.2 µV for readable signal |
| Selectivity | 2 kHz (-6 dB) | ? |
Narrow: 250 Hz maximum at 6 dB. Wide: 1 kHz maximum at 6 dB. |
| Filters | ? | ? | Passband 700 Hz (approximate) |
| Receiver system | Direct conversion | ? | Superheterodyne |
| IF-freqs. | ? | ? | ? |
| Image rejection | ? | ? | ≥ 60 dB |
| Audio output | ? | ? | 1 watt into 8-ohm load |
Transmitter |
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| TX-range | 15/20/40 m | 15-80 m | 10-80 m |
| Modulations | CW | CW | CW |
| RF-output | 40m: 3 W, 20m: 2.5 W, 15m: 2 W | 2.5 W | 4 W (3 W on 10 m) |
Connections |
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| Antenna | BNC | - | SO-239 |
| Impedance | 50Ω | 50 Ω | 50Ω |
| Other | - | - | - |
Electrical |
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| Power req. | 13V DC | 13.8V DC | 11-16 V DC |
| Current RX | 35 mA | ? | ? |
| TX | 450 mA max | ? | 1 A max |
Physical |
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| Manufactured | Between 1972 and 1975 in USA | Between 1976 and 1983 in USA | Between 1984 and 1991 in USA |
| Dimensions |
235 × 216 × 108 mm (9.25 × 8.50 × 4.25 in) |
? |
235 × 108 × 216 mm (9.25 × 4.25 × 8.50 in) |
| Weight | 2.04 kg (4.5 lbs) | ? | 2.10 kg (4.6 lbs) |
| Form factor | Base Station | Unknown | Base Station |
Other features |
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| Memories | ? | ? | None |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
| Features | ? | ? |
QSK WARC option |
| Accessories | ? | ? | ? |
| MPN | HEATHKIT-HW-000007 | HEATHKIT-HW-000008 | HEATHKIT-HW-000009 |
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