In this video Mike Harwood compares 4 different active mag loop antenna at various frequencies up to 52MHz using two SDRplay RSPduos which allowed simultaneous spectrum snapshots of the 4 loops in action with real signals.
Portable Carbon Fiber Telescopic Antenna Mast With Premium Tripod, Review/Demo Read more
This example is installed at KJ4AJG and is a 4el for 28MHz. Tom is so impressed, he has ordered another to stack! If you don’t see one for a ban... Read more
The article “Ham Radio Forms a Planet-Sized Space Weather Sensor Network,” appeared on February 9 in Eos, Earth & Space Science News — an American... Read more
https://www.youtube.com/watch?v=abbSuqz59co Read more
Portable Solar Power, Samlex Foldable Solar Panel, Off-Grid Emergency Electricity The Samlex 135 watt portable solar panel with included charge contro... Read more