Further to Walters e-mail: Gamal says it all. It was impossible to keep the Decca coils tuned accurately and maintain phase constancy without the copper screening. This does not apply to radio amate
Further to Walters e-mail: Gamal says it all. It was impossible to keep the Decca coils tuned accurately and maintain phase constancy without the copper screening. There is a photo in the Low Frequen
Gamal says it all. It was impossible to keep the Decca coils tuned accurately and maintain phase constancy without the copper screening. Even then there had to be an automatic re-tuning device for wh
Hello Lech and all lining the antenna tuning house with screening is about standard in LF/MF transmitter installations. Screening of all six sides serves several tasks: provide short and low impedanc
I wonder it they might have been concerned about outside conditions effecting their very hiQ coils (things like rain and/or snow on the roof etc.) and may have decided to live with the loss of radiat
