1930s Rack Transmitter
W0HIO has this neat old 40m AM rack that is ready to be restored. Lots of interesting pictures.
5 Watt AM Transmitter Project
Schematic and instructions on a neat little 6AQ5 final rig you could build.
6J6 QRP tube transmitter plans
From AK0B's Glowbug and Homebrew Radio pages. Pictures, article and schematic. Neat little Jones triode oscillator rig.
809 RF Power Amplifier with 2A5 Exciter
AB0CW, Mark Dittmar shows us how he built this 80m CW transmitter.
AB0CW's Vintage Communications Gear
Mark Dittmar's site with homebrew information and other articles.
AB4YD's 807 Tube Transmitter You Can Build
Plans and schematics from AB4YD, Bill's projects.
DC-DC Construction Notes
Solid state replacements for vibrators used in old military radio power supplies. Universal inverter power supply by Dennis Starks.
HBR Receiver Web Site
For radio enthusiasts interested in building and using the popular HBR tube receivers published in QST articles in the late 50s and 60s
K5BCQ Homebrew
For radio enthusiasts interested in building and using the popular 1950s-60s era HBR receivers. Repair information for Heathkit SB-104, SB-101, and HW-101 Transceivers.
K9GDT Amateur Radio
Hammarlund, Collins and vintage AM gear. Also, a homebrew 75m AM transceiver.
Klunky Schematic Drawing
Automatic schematic making web-based program you can use for free on-line and then print out your schematic or save it to a file. Includes various tube symbols.
Mod Transformer Data
Specifications and connections for modulation transformers by Kenyon, RCA, Stancor, and Thordarson and UTC.
N6EV's Glowbugs Page
Articles, and schematics about Glowbugs. Relates to constructing tube-type, low power amateur radio equipment.
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