W4AMV Article from ER 385 in PDF Form
FIGURES_Excitation to the Grid and Driving Impedance of the Grounded Cathode_W4AMV_update_7_19_21 Read More…
Inrush Limiters
Sorry, all of the inrush limiters have been sold and are no longer available as of July 12, 2021. Read More…
The Collins 75A-4 Handbook
Our new book, The Collins 75A-4 Handbook, may be found above in the “Shop” category under “Books.” Read More…
Surviving Technology Review from December 2011 Electric
Surviving Technology Review Read More…
New Files in the “Download” Area
Be sure to check the download area for new files. We’ve added all of the “Turbo Ranger” mods from Dee Almquist (W4PNT, SK), SX-28A alignment info from Bill Feldman (N6PY, SK), and a collection of R-390A files we received years ago that were too large to publish. Read More…
The All American Five book
The “All American Five” book has sold out and is no longer available…sorry! Read More…
Return of a Classic Book: Surviving Technology
The classic book “Surviving Technology” by Bruce Vaughan (NR5Q, SK) has recently been reprinted and is available right now! Please see the “Books” category for more information and ordering. Read More…
Vintage Anthology
The all-new printing of Dave Ishmael’s book, “Vintage Anthology” is now available. Read More…
Shortwave Receivers, Past and Present
The 4th edition of Shortwave Receivers Past and Present is now available! Read More…
Hollow State Design, Version 2
The revised and expanded version 2 of “Hollow State Design,” a unique, excellent book all about about design and construction of tube circuits, is available! Read More…