A comparison among a traditional J-Pole Antenna and 2BCX Slim Jim Antenna
Full article on how to build a home-made wire dipole antenna for 40 and 80 meters band. Article is fully in italian, as it was published on ARI RadioRivista, but is plenty of self explaining pictures that will guide you on homebrewing this trapped dipole antenna for the lower amateur radio bands.
How to reuse high intensity surface mount LEDs as on-board indicators in your homebrew projects
A 18 elements Yagi antenna for 432/435 MHz as published on 2011 CQ VHF magazine
When it is time for you to hide a Hidden Transmitter there are several ways to control the transmission timing and audio of the transmitter.The most basic of these is of course the manual method of hiding in the bushes with your trusty HT and talking on and off for several hours.
This interface includes both the CAT and the PTT circuits,and it can be controlled from a single COM port for the Yaesu FT-817 transceiver