Differences of Hex Beam and Spiderbeam antennas designs, performance and measurements, rotor considerations when using this two kind of antennas
HF digital mode transmissions, voice transmissions in HF and VHF Bands collected in several XLS files by Relic Radio communications
Method, Units of Measure, and the Dipole Standard of Reference. This article helps in understanding where does beam gain come from in directional aerials like in example Yagi antennas.
Review of the 150 kHz to 30 MHz Ten-Tec receiver
A Different way to construct a tried and true antenna out of PVC, especially for the 10 meter and higher frequencies.
An Inverted-L with its long leg sloping to the ground. It will still work very good, even if the horizontal wire has to be sloped diagonally to the ground, as long as you have enough horizontal space to keep it at about a 45 degree angle or more from the pole.
VK-DMR Monitor and Alert is a Windows desktop application that scans the content of the Monitor page on the VK DMR (IPSC2-VKDMR) repeater website for any callsigns from a user-definable list.