August 2018 Meeting

Davidsonville Family Recreation Center

Sunday, August 19th

Tailgating at 11:00 and meeting at 1:00

Presentation Topic:  Military Radios

Presenter:  Joe Meagher

Display Table: Home-brew 1920s battery sets

 

Check calendar for other events.

Home

Replacing Power-Cord Resistance Elements or Ballast Tubes

Have an old radio that used power-cord resistance elements or ballast tubes that are no longer available? Ed Lyon has taken Charlie Rhodes' equations for determining how to replace those with modern-day capacitors and created some charts to guide your repairs. Published in the September 2017 Radio Age, they are provided here for your use. 

To view the charts and related article, click here.

Additional information