HW-16 Transmitter Work
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HW-16 Transmitter Work Filed in Vintage Radio on Jan.24, 2015 Now that the receiver seemed to be working great, it was time to work on the transmitter some. The first thing I noticed is that the meter was indicating about a third scale with no power applied. I had read of another ham with this problem, who found that the meter had become magnetized. Convinced that I had the same problem, I spent about 15 minutes trying to degause the thing using an assortment of homebrew degausers. But none if it worked. Then, as I was moving the meter around in my hand, I noticed that there was a mechanical zero adjustment hidden underneath the meter movement. Meter mechanical zero adjustment I didn’t think that it would have enough adjustment to fix the problem, but that is what it turned out to be. A simple adjustment, and the meter was back to zero. Meter correctly zeroed I had ordered three crystals from Bry Carling, AF4K ( www.af4k.com ). They arrived promptly, and now I was re