Antenna – Rockloop Compact HF antenna for 10,15,20 metre ham bands
Rockloop DIY Compact HF antenna for 10,15,20 metre ham bands This rock loop antenna tunes to 15 meter band with 15 to 20pf,20 meters with about 30pf, and 30 meters with about 60pf, much suitable for apartment dwellers and QRP Portable operations.