CQ CQ CQ de W0VLZ

Does anyone else have a slow drift problem with their Hull Hartley? I was looking at mine and spotted something I wanted to check into. ...

Last weekend and this coming weekend was the AWA Bruce Kelley 1929 QSO Party. For this event only transmitters of 1929 (or earlier) design/t...

Recently I pulled two early draft papers out of my files that, I believe, were written by W2SN in the early 80s.  One was "The Saga of ...

The AWA 1929/Bruce Kelley CW Party is coming up the first two weekends in December and the weather has started to cool off here in Minnesota...

The past two weekends gave me a chance to get some more operating time on my 1928 Hartley transmitter. These were the weekends of the AWA ...

Ross Hull's QST article documents a lot of experimentation done to understand the behavior of self-excited oscillators. Whether Hartley,...

Ross Hull's August 1928 QST article, "Overhauling the Transmitter for 1929", is a great article for anyone interested in putti...

Pictured are my 80 and 40 meter tank coils. Ross Hull made a strong point in his QST article that these coils need to be able to handle a lo...

T he last few evenings have included some final cleanup of the Hartley and then getting it on the air some more. There's been several of...

Well, it's in the log...the first QSO. Tonight I worked Lou, VE3AWA, on 3565. We were 549-559 both ways and had a nice contact going unt...

After a little debugging it works! When I first put power to my version of Ross Hull's Hartley transmitter I could only get it to osc...

Except for a couple of coil clips my clone of Ross Hull's 1928 Hartley is complete. It's ready for power and checkout.

Today we have surface-mount-technology, before that we had pin-in-hole printed circuit cards, before that point-to-point wiring and before t...

Working through this project has given me a new appreciation of the homebrewing skills of many of the hams during the twenties and thirties....

That pile of old parts, wood and copper tubing is starting to look like a transmitter. The eight parts left are mostly to be wired into plac...

With (plexi)glass rods ordered and one additional National DX capacitor in the mail from a friend the next step is some table saw time.

After seeing my 1934 transmitter a friend asked if I was doing anything special for the Bruce Kelley Memorial 1929 QSO Party coming up in D...