CQ CQ CQ de W0VLZ

L1 of my transmitter calls for ten turns on a 1" coil form spaced over 7/8". I had the form and the wire I needed. Winding spaced ...

We spent the weekend in Decorah, IA and on Saturday and Sunday I had some spare time for hamming. I used my K1 with a 67' endfed wire u...

I've finally committed to a layout and mounted the major parts. From left to right along the front is the xtal (with B directly above it...

After "playing checkers" for several days tweaking the layout, I'm ready to drill. I usually mark major component locations an...

Bryan, WA7PRC, pointed out to me that an "economy" power supply would be a more elegant way of getting the lower B+ needed for the...

I keep a couple of generic brute force power supplies around to use with my homebrew projects. This one grew out of a much modified and cann...

Today was a great day to stay inside in SE MN: windy, overcast, temp in the 30s and snow in the forecast. The first Tuesday of the month is ...

Here's the collection of parts needed to build my transmitter (the power supply is separate). I'll mount the male 8 pin plug on the ...

Another feature missing from most pre-WWII transmitters is some sort of spotting capability. Two reasons drive the need for spotting capabil...

Here's another thought on layout ... move C2, the final plate tuning cap, from on top of to under the chassis. This frees up space top s...