An article published on QRP Expressions on August 2005 about the Original Windom a slight evolution of the known off-center fed antenna, considered by the author the perfect antenna for QRP operations
WsprryPi turn your Raspberry Pi into a HF WSPR beacon with an output of 10mW and a recommended but simple bandpass filter for 30 meters band
Portable Zero LLC is a small company dedicated to the goal of creating unique products that enhance and promote portable amateur radio operations. Tactical Carrying System, Tactical Battery Pack Systems, aluminum carrying case systems for Yaesu FT-857,FT-817,ICOM IC-706/703
Crossband repeat operations on the Wouxun KG-UV8D dual band multifunctional two-way radio. This demo explains differences in the cross band repeater functions of the KG-UV8D.
A simple dipole for 40m band feeded with 450-Ohm openwire feedline includes MMANA Gal files to download
Arduino code for buidling Yaesu VX8r Handheld Transmitter-compatible GPS. A compatbile GPS unit, made with open-source and generally available components, that can be used to proivde the position and velocity information for the Yaesu HT
Tips for learning and improving morse code
An online morse code transaltor and encoder that can also translate morse code into text, you can even convert any text to a morse code audio wav file controlling pitch, speed and wpm, fully written in html5 and javascript.
Buyers guide for new and second hand medium wave loops, how to choose the best loop antenna for your needs.
An online CW audio decoder tool made for listening to, analysing and decoding Morse code. This can be done either playing a morse code audio file or connecting your compure line in. This fantastic tool, works only with some browsers and is all done in javascript using the Web Audio API.