A 2.4 GHz 10 elements Yagi antenna hombrewed. Download the PDF files for full instructions. Full sized images and detailed instructions are listed here
Here is a high-performance hand-held beam antenna that is easy to build and guaranteed to improve your downlink from the LEO satellites over ANY rubber duck or mobile whip. Like many satellite operators, I own an Arrow Antenna. That antenna is a great performer, but sometimes it is impractical for me to use it–it is