Slowly Updating with known good links!
http://njdtechnologies.net/ See Hot Links – WG2XIQ’s site constantly updated with what you need and want to know. Don’t miss this one. Best 630m site around!
http://www.rossradio.net/ground-radial-staple-pins-2/ The source for ‘Radial Lawn Staples’. Ross is one of the good guy vendors – I used over 1000++ of these when constructing my radial system. See ‘Current 630m Antenna’.
Details on the shunt feed matching method. Small Antenna Tuners