Mar
06
160m Vacuum Variable Capacitor project
![Vacuum Variable Capacitor](https://g7vjr.org/wp-content/uploads/2009/03/vacuum_tube-150x150.jpg)
While operating on top band at ZD8UW I had quite a few problems getting the inverted “L” to match at 50 ohms. Even after adjusting the element length this is virtually impossible due to the nature of the antenna. To … Continue reading