In the radio business, getting the high ground is key to covering as much territory from as few installations as possible. Anything that has a high profile, from a big municipal water tank to a roadside billboard to a remote hilltop, will likely be bristling with antennas, and different services compete for the best spots…

via Es’hail-2: Hams Get Their First Geosynchronous Repeater — Hackaday

Antennas come in many shapes and sizes, with a variety of characteristics making them more or less suitable for various applications. The average hacker with only a middling exposure to RF may be familiar with trace antennas, yagis and dipoles, but there’s a whole load more out there. [Eric Sorensen] is going down the path…

via Building A Magnetic Loop Antenna — Hackaday

Beverage antenna JN17HLMy family obtained new real estate in France (locator JN17HL) with quite a large garden. Visiting a few weeks ago, I immediately spotted the opportunity to set-up a Beverage antenna. I already did some homework. A Beverage antenna is in basic a receiving antenna consisting of just one wire. Length of the wire is at least 2 or 3 wavelengths of the Continue reading