-
W0HIO has this neat old 40m AM rack that is ready to be restored. Lots of interesting pictures.
-
Selected pages from the book
-
Detailed HF amp design, and radio modifications information.
-
Schematic and instructions on a neat little 6AQ5 final rig you could build.
-
From AK0B's Glowbug and Homebrew Radio pages. Pictures, article and schematic. Neat little Jones triode oscillator rig.
-
AB0CW, Mark Dittmar shows us how he built this 80m CW transmitter.
-
6BM8 amateur radio rig with 8 watts ouput by G0UPL.
-
Mark Dittmar's site with homebrew information and other articles.
-
Notes, and archives about boatanchors, tube rigs, homebrewing, Heathkits and QRP.
-
Plans and schematics from AB4YD, Bill's projects.
-
Contains transformer and tube data.
-
UTC Modulation Transformers. Connection and usage data.
-
W1FIF's homebrew rig shown with an SX101a, and HT32.
-
W6FFC discusses stability considerations and other factors.
-
Solid state replacements for vibrators used in old military radio power supplies. Universal inverter power supply by Dennis Starks.
-
Build a PIC controlled DDS VFO, 0 to 6 MHz. Ideal for running older AM and CW gear with a STABLE signal.
-
Vacuum tube circuits, some theory, manuals, and calculators.
-
Articles available for download, including military radios, discussion about tube homebrewing, batteries, and VFOs.
-
W5SUM and others present a variety of tube radio construction projects.
-
For radio enthusiasts interested in building and using the popular HBR tube receivers published in QST articles in the late 50s and 60s
-
How to build dynamotors, and generators from old motors.
-
Hammarlund, Collins and vintage AM gear. Also, a homebrew 75m AM transceiver.
-
Links to the HBR tube receivers, and Heath gear mods.
-
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.
-
Vintage radio in Argentina. Warning - site plays Dixie in midi and has annoying pop-ups.
-
Specifications and connections for modulation transformers by Kenyon, RCA, Stancor, and Thordarson and UTC.
-
QRP, homebrewing, and boatanchor radios.
-
Articles, and schematics about Glowbugs. Relates to constructing tube-type, low power amateur radio equipment.
-
N6HB Amateur Radio -- the early years. Has pictures of the first station, including a Lafayette HA-700 receiver and Lafayette Starflite transmitter.
-
Articles, pictures, and schematics on all kinds of electronics.
-
Online catalog of ham radio transformers and other replacement parts.
-
Homebrewing of tranceivers, receivers, transmitters and test equipment. [Italian - English]
-
Tools for homebrewers, including chassis punches.
-
Early Ham Radio equipment recreation. Info on 1920's vintage radio construction.
-
Turn old power transformers into modulation transformers. Technical article by WA1HLR from The AM Press Exchange.
-
Great article on homebrewing with two 807 tubes, with schematic and description, by Steve WD8DAS.
-
Founded in 1991. Publishes a newsletter, and several books about crystal radio. Crystal set projects, tips for crystal radio design, and crystal radio history.
-
A website devoted to electronic thermionic devices known as 'tubes' or 'valves'. Includes information on a homebrew 1.8 MHz transmitter. By Andrew Burge in England.
-
Plans for a homebrew tube audio amplifier using a 2A3, 6B4 or similar triodes.
-
Based on Pacific Semiconductor's 40,000 transistors database.
-
VE3CFE's site dedicated to the construction and operation of vintage amateur radio stations of the 1920s and 1930s.
-
BA radio site in Maryland. Includes photos of a 6V6 QRP CW rig built in a cigar box.
-
Steve shows us his 807 breadboard rig with three tubes and 700 volts!
-
pictures of a linear amp using 5500 Volts on two QB5/1750 tubes at HF for 3200 watts out.
