alan 98

J Beam antenna for 2 meters and up - Article by Ed Bathgate, N3SDO as published in CQ VHF Magazine July, 1988

The Hairpin Monopole Antenna - Numerous questions have been raised concerning its performance, namely How can a balanced structure radiate? and What is its impedance? This article will attempt to answer these questions.

Feeding an End-Fed Antenna  ^pop - End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.

A short Quagi for 1298Mhz - Based on K5OE design by GM1SXX

Small Tuned Loop AM Broadcast Antenna - Alan yates vk2zay's ham radio website, homebrew construction, general electronics, high voltage experiments, amateur rocketry, and general geek stuff

The EZ-Tuner - The "EZ-Tuner" is a homebrew automatic legal-limit antenna tuner that covers all amateur HF bands from 160-10 meters. Using a T-network design and controlled by a BASIC Stamp BS2sx microcontroller, the EZ-Tuner will match at least a 16:1 VSWR for either unbalanced or balanced transmission lines.

S-MATCH Universal ATU  ^updated - PA0FRI's "S-MATCH ATU" published in RSGB's RadCom March 2003). The Balanced Universal ATU Photographs of ZL2ML's S-Match were added.

Emtech ZM-2 Antenna Tuner Kit - The Emtech ZM-2 Antenna Tuner is a nifty little portable transmatch for QRP (low power). It utilizes the well-known Z-match circuit, which is especially useful for balanced antennas (like dipoles and loops).

OH0Z Aland Island Contest Club - Contest team from Aland Islands

The Langley Amateur Radio Club - The Langley Amateur Radio Club has been in existence since 1988 and received it's charter in 1989. It has a membership of approximately 20 active amateurs.

Lambton County Radio Club - Proudly serving Sarnia and all of Lambton County Ontario The Lambton County Radio Club (LCRC) Inc. was formed in 1982 and was incorporated in 1985. Our purpose is to promote and foster Amateur (Ham) Radio

Manitoulin Amateur Radio Club - formed by four members in 1988

KB2UXM Suffol county ARC - Suffolk county VHF/UHF Association arrl affiliated since 1989

W2SO Lancaster Amateur Radio Club,Ham Radio,Lancaster NY - Lancaster amateur radio club, lancaster ny, ham radio club in lancaster in 1987 , NY

W8CTT Pioneer Amateur Radio Fellowship - Serving Akron, Ohio, Summit County and the surrounding area since 1981

North Coast Contesters - NCC was formed in 1989 to further the efforts of contesters interested in the CQWW and ARRL DX contests. The member area of the club is a 175 mile circle that includes major parts of Ohio and Pennsylvania.

Clear Lake Amateur Radio Club - CLARC was founded in 1987 as an ARRL Special Services Club and is an IRS 501(c)3 not-for-profit organization serving the NASA/Clear Lake area of Houston, Texas.

W5NC Northwest Amateur Radio Society - The Northwest Amateur Radio Society was established in 1985 and serves amateur radio operators in the suburban FM 1960 area NW of Houston.

BAZ Spezialantennen WiFi Antennas - Wireless Lan Antennas for WLAN 2,4 GHz, HiperLAN 5,x GHz, UMTS, WiMAX a.m.m.

6-Meter Ham Frequencies - Alan Muir, VE7BEU, on behalf of the Westcoast Amateur Radio Association,(Victoria) is assembling and submitting the 6-meter Repeater pairs in use to the BC Amateur Radio Coordination Council.

Ipox5 radio link system - Ipox5 is the freeware version of a commercial radio linking system, designed for amateur, nhw, emergency communications etc. It is optimised for mobile broadband and difficult IP links. It allows PC access, and up to 100 users on your link at one time. Usefull for multiple PMR446 use on very large sites. Works under Windows 98, XP, Vista, and Linux (under Wine)

A low cost 600 watt ultra-linear amplifier  ^pop - This compact little amplifier is the brain-child of Pat Murdoch, ZL1AXB, in Auckland, New Zealand. It is only 11" wide, 4" high, and 9" deep. Operates for 40, 20, 17, 15, 12, and 10m

Clean Up Your Signals with Band-Pass Filters - These inexpensive, easily built filters can be the buffer you need between the signals you want to hear and send and those you don’t!

Clean Up Your Signals with Band-Pass Filters part 2 - Part 2—You’re now much closer to saying goodbye to your unwanted signal problems!

Universal QRP Transmitter - Here's the homebrew Universal QRP transmitter adapted from work by Wes Hayward - W7ZOI. The circuit originally appeared in QRP Classics published in 1980 by the ARRL