The <a href=”http://mikeyancey.com/HW-101_refurb.php”>HW-101</a> refurb is now complete. This seemed like an extensive redo, but was not, because many of the boards went mostly untouched. It began with a redo of the HP-23 power supply with an HP-23RL board from The Heathkit Shop. And it ended with replacement of two of the Carrier Oscillator crystals, which with age had changed too much to adjust with serial or parallel capacitance.
For kits anyway, this was the pinnacle – the tip-top. No one would ever make a 20-vacuum tube transceiver again.