| • | Utility Audio Amplifier/Filter Box |
| • | BGCD 80-, 40-, and 30-meter Regenerodyne Receiver |
| • | WR/7AU7-80 Regenerative Receiver |
| • | The WR/6AK6s-40 Regenerative Receiver and ZOIDC-40 Direct-Conversion Receiver |
| • | The Novice Rig Roundup Boosted Pierce Transmitter |
[to be continued...]
| Revised January 20, 02020 CE. | Copyright © 2015–2020 by David Newkirk (david.newkirk@gmail.com). All rights reserved. |
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