This is a series of 15 videos by N6TWW, listed on our Youtube Channel, demonstrating how to build a Halo Antenna for the 144 MHz. Halo Antennas are Omni directional horizontally polarized antenna made in a circular shape.
Halo Antennas
You can find additional Halo Antenna Projects in our Links directory, that include also the 2 meter halo antenna by N6TWW
2 Meter Halo Antenna project by Mike Fedler with many detailed pictues and detailes homebrewing instructions so you can build your own