diamond dp ch4

HF Home made Balun  ^pop - A balun is a device that is used at the feedpoint of a balanced antenna when an unbalanced feedline is desired to feed the antenna. Balun is a contraction for BALanced to UNbalanced.

Beverage Antenna Construction - Types of beverage wires, choose best supports and insulators, multiple antennas at one feedpoint, all well documented with photos and exaustive explanation.

Groundplane antenna - Short guide to build your own groundplane antenna, includes radial measurements fro warc bands

Field-Deployable Antennas - Resonant dipoles, the W3EDP and end-fed wires, the extended double zepp, non-resonant doublets, and the "Zip-Cord Special" , the W6MMA vertical.

ZS6BKW Multi-band Antenna - An optimized variant of the venerable G5RV multiband antenna by NC4FB

Italian BandPlan - Ari Milano draw and keep updated these pdf files representing the "radioamatori" bandplan, with notes in italian

RAC Band Plans - Canadian RAC band plans page

WIA Australian Ham Radio Band Plan - Australian amateur radio band plans in pdf format

IARU Region III - DOC file containing the region 3 band plan

WH7N Blog - A wordpress blog about ham radio and computing by WH7N Honolulu hawaii

DG7BBU - Ham radio blog and information

DK2AB Core blog - Amateurfunk blog

KI4GMX ham radio blog - Ham Radio and Electronics from a Newbie

The arizona skywarn blog - It’s not just another Blog

KB0ZUU Ham Radio and other things - Just a whats happening in ham radio and things in my life here

LU9DPM Martin - Downloads, colleagues, links, manufacturers and more in English and Spanish

IC-PCR 1000 in Germany on-line receiver - Icom PCR 1000 HF/VHF/UHF Antenna VHF/UHF Diamond X 50N HF W3D22 80m/40m 34m (111,54 feet) long based in Germany Hamburg JO43XO.

ON4AOI Automatic Band Decoder - Automaticaly select the correct antenna and bandpass filter, by ON4AOI

Starline Electronics - Full-size Professional Circumaural (closed type) Stereo Headphone Monitor designed for studio use, swl and amateur radio.

Handbook on grounding - U.S. Government's military handbook on grounding in pdf format

KD5PDP - Kenwood TH-F6A notes - Kenwood TH-F6A portable amateur radio transceiver notes

DR. Electronics online shop - YAESU Distributor for Greece, Cushcraft, Maldol, Diamond, Surveilance and CCTV equipment

WD6CNF DSP Filter - Audio Digital Filter, two bandpass filters, three notch filters, two noise filters graphical setting of filter center frequency and bandwidth Drag vertical lines on top of signal, Microphone input, speaker output Mono, 5 kHz bandwidth

WinGrid & DOSgrid - Gridconv.zip contains Wingrid.exe and Dosgrid.exe, DOS and (16 bit) Windows versions of a simple program that converts between NGR, Maidenhead Locator, QRA, and Latitude/Longitude. They are copyright, but freely distributable for no charge.

Broadband over power lines - PLT/PLC/BPL/DPL - it doesn't matter what you call it said one of our readers it has significant technical problems