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I bought a used HW-9 that works well except for dial accuracy. I'd
appreciate comments from other HW-9 owners with regard to accuracy of theirs. So far, I've found the 80 Meter heterodyne oscillator crystal is about 5 KHz off frequency. All the others are within about 1/2 KHz, which is not significant compared to the width of the lines on the VFO dial. Except for the 80 meter crystal problem, it appears that frequency errors are almost entirely due to VFO tracking error. VFO frequency is correct at 0 and 250, but as much as 10 KHz off in the middle of the range. One of the VFO capacitor rotor plates is bent away from an outer stator plate. That might be the result of an earlier owner attempting to correct the problem, or it might have come that way from Heath. Can anyone tell me if the stock VFO capacitor plates were originally straight (flat) or bent? The VFO Shield is missing. If I can find some copper, I'll try to make one, but doubt that will correct the problem. Fred K4DII |
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