Concentric Open Loop Antenna Fed Off-Centre similar to the cobwebb antenna
This page describes how to set up RaspBerry Pi Linux system with already configured AX.25 softwares on SD or micro SD cards
The Nato and Western Union Phonetic Alphabets useful for spelling words and names over the phone.
A home made yagi antenna featuring 6db forward gain and 22 Db front back
An home made FETer QRP transceiver for the 80 meters band
The collinear J-Pole, often known as the Super-J, does improve the behavior over a regular J-Pole. As many attest, there is an advantage when vertically combining 1/2 radiating sections to have a bit of separation between the half-wave end points. The Super-J has very little separation between the two half-wave radiators.
A portable lightweight magnetic loop antenna in a six part document with pictures and videos
This caution applies to all Icom HF transceivers. Based on a discussion with Matt Erickson, KK5DR
Official web site of OZ9RH Robert
The ICOM IC 7600 transceiver as successor of the IC 756 Pro3, resource page with many links and resources to the Icom top line HF transceiver