CQ CQ CQ de W0VLZ

After some quality table saw time, a bunch of drill press time and eight coats of paint (primer coat, satin black, three coats of wrinkle pa...

After collecting all of the parts comes "playing checkers" to find the best layout given the set of parts located. In this case I ...

Since the AWA Linc Cundall OT CW Contest in January I've been thinking about building another transmitter, this one falling in between m...

Today I participated in the annual QRP FYBO (Freeze Your B___ Off) contes t. See http://www.azscqrpions.org . It happened that we are in...

The second half of the AWA Linc Cundall OT CW Contest was this past weekend. Between Saturday evening and Sunday afternoon I added 4 contac...

The first half of the AWA Linc Cundall OT CW Contest ran Wednesday evening through Thursday late afternoon. This coming Saturday is the sec...

When using my vintage transmitters I've missed not having a keyer. Many older tube transmitters are cathode keyed. The voltage across...

The last two weekends I participated in the AWA 1929 QSO party. The main requirement is that the transmitter be a 1929 or earlier design. I ...

My homebrew CW station shown at http://www.wiegandfamily.org/2tube_xmtr/2tube_xmtr.htm includes a control (speaker/power supply/TR switch) ...

As I played with my 6J5/6L6 transmitter I saw that I had some holes in my 80 mtr crystal selection. I had several crystals at 3550 but pra...