Resources Page

Updated 1/28/2026:  This page provides reference materials and other information that might be of help, or at least provide some entertainment.  Most selections are links to other websites, but a few are Word documents (download, then open them), or .pdf files.  Also, look at the Construction page as there is some crossover between the two subjects.  Please send your finds to Frank at [email protected].

 

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The Hot Iron quarterly newsletter Ham Radio Practice Exams (NA0Q) W8JI Plate Choke and Trap Testing & Operation
Ham Radio Outside the Box (VA3KOT) Eimac Amateur Service Newsletters Light Bulb Dummy Loads
Amateur Radio Weekly newsletter (K4HCK) W5DXS Website (link-see his workbench page) Light Bulb Resistance Calculation
 Zero Retries newsletter (N8GNJ)  W2EWL ARC-5 SSB Conversion Article Bunker of Doom Website (lots of info!)
The Random Wire Review (Tom Salzer) Baluns and Related Subjects All-American 5 AM Radios
The KD6RF Website Antique Electronic Supply (AES) One Tube Transceiver
The Internet Archive – Huge DLARC (Ham Radio) Library! Capacitor Units Conversion Chart The International System of Units
World Radio History Archive (Many magazines) Ham  Radio and Cardiac Pacemakers How to Use a Grid Dip Oscillator
The Radio Handbook, Bill Orr, W6SAI Central Electronics 20A SSB xmtr & VFO  Short Wave Bands Allocations/Usage
Practical Wireless (G4USI), Scroll down for many articles Bourns Potentiometer Handbook RCA Transmitting Tube Manual
Ham Radio magazine, World Radio History’s issues library  Military & Boat Anchor Radios, K4CHE  Clubs, Publications, Newsletters, etc.
Practical Antennas website (WB6BYU) BC-221, LM-series Information and Conversions Ohms Law Calculations Wheel
Secrets of RF Circuit Design – Joe Carr The Choke Cookbook RF Power Amplifier Design – Excellent Tutorial
W8JI’s Extensive Ham Radio Website RF Amp Plate Choke Information Hot Iron Reference Data Pages
VK3YE’s Amateur Radio Projects page A Capacitor Tutorial (very useful; not a deep dive) Simple MOSFET Audio Amplifier
YO3DAC’s Projects page Restoration:  Should I replace that capacitor? LM386 Audio Amp with Bass Boost
Decibel Chart & Conversion Tables Restoration:  Build a Dim Bulb Tester Identifying and Curing RFI, by K9YC
The Decibel Chart (wheel and formulas format) RF Ammeters; use, build, etc Bob Heil’s (K9EID, SK) “Pine Board Projects”
Rider’s “Servicing Superheterodynes” book RF Ammeters; more info about them Antenna Bearings to World-wide Locations
807 Tube HF Transmitter Resources (Download) How to Clean a Potentiometer Trouble-Shooting Guides and References
Link to the Heathkit Shop AC Line “Safety” (bypass) Capacitors Old Loudspeaker Field Coil Broken?  Fix it here.
Whatever Happened to Heathkit (video)? Regenerative Receiver Designs Drake Modifications by VE3EFJ (SK)
Surrey Amateur Radio Magazine – Excellent! Regenerative Receiver Links, Courtesy of N2HTT Johnson Viking 122 VFO Review-AB2RA “Wireless Girl”
“The Radio Handbook” by Bill Orr “How to Use Meters” by John F. Rider Eimac’s “Care and Feeding of Power Tetrodes“
The Internet Archive’s Electronics & Ham Radio Collection Command Set Audio Transformer Specs N4LG Crystal Clear – The story of crystals in WWII
Excellent Article about Heath Tube Testers (“a.k.a. Checkers) Calculators for Radio Repair Crystal Dimensions, Types, Purchase & More
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