open wire feed line

40 thru 10 Meter Zepp Antenna  ^pop - A modified 20 meter double zepp wire Operating Bands: 40 thru 10 meters (with tuner), basic construction and performance information.

160 meter linear loaded voltage feed T  ^pop - 160 meter linear loaded voltage fed T antenna

Inverted U antenna for 160m - An inverted U wire antenna for 200 meters and down

A Practical Antenna for 160 Metres  ^pop - 140 feet of insulated wire, the first half of which (70 feet) is space wound on an insulated tube.

Linear-Loaded Dipole for 7 MHz  ^pop - A short but efficient dipole for 40 meters band

A linear loaded vertical antenna  ^pop - Vertical antenna design by David Reid PA3HBB G0BZF

K7EM 80m 4-Square Array - This array has been in use since 1989 The SWR from 3.5 to 3.9 is below 1.5:1

KB1DIG's 2 Meter Antenna Design Gallery  ^pop - Home-brew antenna designs for VHF. 2-meter colinears, 2-meter Halo, and 6-meter Halo

160 meter full wave loop antenna  ^pop - The antenna is a 10 - 160 meter horizontal loop fed with 450 ohm ladder line all the way into the ham shack to an Palstar AT1500BAL balanced line antenna tuner

Shunt feed a hustler mobile HF Antenna  ^pop - 40 and 20 meters mobile antenna

Longwire antenna basics  ^pop - basic notes on building longwire antennas for medium waves

Choosing wire for an antenna  ^pop - One of the most asked questions when it comes to antennas is what kind of wire should I use

The Bird Feeder Antenna - A hidden antenna must be just that: hidden. So don't install an antenna, but something else. Lika a bird feeder.

Integrated Publishing Basics - Radio wave propagation, Principles of transmission lines, Antennas

DK7UY Online logs - DXpeditions, Online Logbook and personal stuff

Yaesu WIRES II - WIRESTM (Wide-Coverage Internet Repeater Enhancement System) is a comprehensive and easy-to-use system for linking repeaters and/or home stations together, using Internet voice technology. This site contains information regarding the WIRESTM Internet linking system from Vertex Standard

Laipac Technology Inc. - We are committed to constantly improving our solutions in areas of GPS System, GPS Receivers, GPS Antennas, GPS Dataloggers, RF Modules, Wireless Security Systems, Automatic Vehicle Location (AVL) for real time and passive tracking

Contest Phrases - Several contesting phrases are given in several languages written by Fred Hopengarten, K1VR

IRLP Operating Guidelines - Operating procedures for IRLP use

Aircraft Radio Stations - Aviation Radio Service by FCC

FCC - Marine VHF Radio Channels - Summarizes a portion of the FCC rules 47 CFR 80.371(c) and 80.373(f)

Difona Communication GmbH - Transceivers, anntennas, PA, power supplies, accessories from Kenwood, ICOM, Yaesu, MFJ, ACOM, DAIWA, Diamond, DXSR, Alinco, Ameritron, ETM, Fritzel, UKW Technik, AOR, Bencher, Create, G.B., Heil, Hotline, Maldol, Tonna, Titanex, Outbacker, Hy-Gain, Mirage, SCS, SGC, SSB Elektronik

Design and build helix antennas - An on-line javascript calculator and quite a few pictures to show how to make a helix antenna.

Z Match for Higher Power - Single coil Z match witch handles the power of the linear amplifier

IK4AUY Sergio - Advanced QRP Low Cost Mosfets HF Linear Amplifier with schematics, IMD, gain data and more. Six articles about amateur radio.