diamond dp ch4

VHF Yagi for 6 m 4 m and 2 m - Triband DK7ZB VHF Yagi antenna for 6 m, 4 m and 2 m with a single feedpoint

3 elements Yagi for 50 MHz - 6 Meter Direction Agile 3 Element Yagi Antenna

Duoband-Yagi for 10m and 6 m - This Duoband-Yagi has a boom of 3.60 m and 3 elements for 10 m 4 elements for 6 m and one feedpoint with 50 Ohm

Yagi for 70MHz - Get Horizontal on the 70 cm Band

Trap dipole for WARC bands - Diamond W8010 Multiband Dipole Modifications

Homemade Loaded Coil Dipole - Homemade Loaded Coil Dipole ( w8010 diamond ) for 10, 15, 20, 40 and 80 meter

The Perfect Portable HF Antenna - About portable antennas for portable operations or field operations

222 Quagi Revisited - The Quagi Revisited, for 222 Mhz

The W3EDP 85 ft end-fed antenna - An 85ft wire fed against a 17ft counterpoise that works well in 80 and 40 meters

W3EDP Antenna by OK1RR - W3EDP is a portable end-fed antenna that can work 40 to 10 meters with a tuner

W3EDP antenna--an analysis - W6JJZ analysis of the W3EDP end-fed antenna

A re-worked W3EDP antenna - Good results with RE-Worked W3EDP by VA3QV

W3EDP Antenna - 67 ft antenna for portable operation by VE3CLQ

W3EDP Antenna Checkout for PLP - The W3EDP is a 85 foot long wire and a 17 foot counterpoise. At N4KGL

The W3EDP antenna - a fresh look - An 84 ft multiband end fed antenna working 80m to 10m and the WARC bands

An Extensive W3EDP Antenna Study - W3EDP multiband wire antenna, an extensive study and analysis of this antenna by W0ESE

W3EDP Antenna by AE4IC - Post on a W3EDP experience by Bob Kellogg, AE4IC

W3EDP and grounding - Discussion on W3EDP Antenna and grounding

The Rocky Mountain VHF+ - The Rocky Mountain VHF+ Contest Group

Wolphi-Link Android Smart phone to FT-817 857 897 interface Priority listing - Wolphi-Link is an Android Smartphone to Ham Radio interface. Wolphi-Link works with DroidSSTV, DroidPSK, DroidRTTY and Morse Decoder. It will work with radios which don't have a VOX.

70 MHz mod for IC-706 - Enabling IC 706 for 4 meter band modification in italian.

K2 Change 20 30m band filter - Elecraft K2 mod. Narrower bandpass filter, better stopband attenuation

Elecraft K2 - Narrow Bandpass Filter - This note covers narrowing the K2\'s 40M bandpass filter to cover the narrower 40M band and reject strong out of band broadcast interference

Magnetic Loop Software - Loop Calculator and Capacitor Design Software

Bandpass Filters for Portable Usage - These are QRP rated 3 Pole Butterworth filters based on a design by K4VX, feature simplicity, almost no insertion loss, and reasonable rejection on the other ham bands.