Letter Re: Restoring Older Shortwave Receivers
James: A note on the Zenith Trans-Oceanic [tube-type general coverage receiver]s: I’ve been collecting these and refurbishing them on bad weather days. I replace all the paper and electrolytic capacitors, check the tubes, clean them up, and tune up the coil tower with an old tube RF signal generator. The paper capacitors are very prone to failure. Then I construct a replacement battery pack using ten 9 V batteries and 5 “D” cells. I plan to make a 12 VDC charger for these that I can run off my PV panels. So far I’ve done nine of these. I am …