VHF AMATEUR RADIO

BY WILLIAM ORR

· VHF Propagation and DX; sporadic-E; F2 layer; trans-equatorial scatter; meteor scatter; aurora skip; inversions; knife-edge bending; back scatter.

· All about the VHF repeater-how it works for you; FM voice procedure; repeater channels; mobile work.

· VHF moonbounce communication; the Earth-moon-Earth circuit; choice of band; power required; antenna gain.

· Amateur satellite communication; satellite characteristics; operating techniques; Doppler shift; Faraday rotation; antenna types.

· Almost everything about coax lines; best coax for VHF; line loss; the easy way to install coax plugs.

· VHF beam antennas you can build yourself; the VHF Quad antenna ; SWR measurements and what they signify.

· VHF interference to TV, Stereo and telephone and how you can suppress it; TV filters you can build.