Electric screwdriver antenna tuning

September 14, 2007 By 5 Comments


I just realized that we’d never covered the classic amateur radio antenna hack – known as the mobile electric screwdriver antenna. I was looking for a decent writeup, and ran across this interesting tunable indoor antenna. [W2BRI] put together a 5 foot cube loop antenna built from copper pipe. The tuning mechanism uses an electric screwdriver to tune his giant … Read the rest

Filed Under: misc hacks, wireless hacks