Last week was the AWA OT CW Contest. I had hoped to be operating using my 815 transmitter but it continues to run off on it's own as a tuned grid-tuned plate oscillator. I switched to my 6J5/6L6 transmitter ( http://www.io.com/~nielw/2tube_xmtr/2tube_xmtr.htm ) and a NC-101X ( http://www.io.com/~nielw/nat_list/nc100.htm ). The pair worked well together and I had four enjoyable QSOs including WA9QNN, W0LGU, WU2D and AA4...
Friday, January 29, 2010
Saturday, January 16, 2010
More on my 6L6/815 Transmitter
Next Wednesday, January 23, is the AWA Linc Cundall Memorial OT CW Contest. It is about time I get my 6L6/815 Transmitter on the air. Two big stumbling blocks had to be worked on: 1) three different high voltage requirements, 815 B+ around 500 VDC, 815 screen around 250 VDC and oscillator B+ around 150-200 VDC and 2) a tendency of the 815...
Monday, January 4, 2010
RFI Tips and tricks N1LO
RFI TIPS AND TRICKS! MARK, N1LO, PUT LOTS OF HOURS AND HARD WORK INTO THIS ARTICLE FOR ALL OF US TO USE.BY N1L0 USED WITH PERMISSION..THANKS MARK! RADIO FREQUENCY INTERFERENCE (RFI) NotesM.D.Lowell, N1LO October, 1998Progress: Through July 1999 archiveCheck http://www.qsl.net/n1lo/rfi.htm for the latest updateThe existence, accuracy, content and organization of any section may change at any time as new discoveries, understandings,...
Subscribe to:
Posts (Atom)
Posts
