Homebrew a cobwebb antenna for the HF bands. This page describe a cobwebb multiband antenna resonating on 14 18 21 24 and 28 MHz. The cobweb antenna model can be considered a fan dipole, or better, multiple dipoles fed in parallel.
An easy to build dipole for 21 and 14 MHz with traps made by two T50-6 toroids cores mounted on a simple PCB foil
A 50 MHz homemade RF spectrum analyzer
A blog about Morse but mostly about using CWCOM a simple but effective method to learn morse code, communicating using morse code over the internet
An homemade RF spectrum analyzer with full details on construction notes and planning. Includes block diagram, schematics and pictures
A document describing the reparing and restoration of an old Heathkit SB-101 power amplifier
A collection of photographs of morse keys
Design a parallel square stock balanced transmission line with this calculator.
SPARC The Saltlake Peaks Amateur Radio Club, founded by employees of L-3 Communications located in Salt Lake City, Utah at the Communications Systems West Division.
