newark pd

10 Meter Wire Jpole - A vertical en-fed zepp for 28.4 Mhz by N1LO

EZ-Lindenblad Antenna for 2 Meters - This easy to build antenna works well for satellite or terrestrial communication, horizontal or vertically polarized by Anthony Monteiro, AA2TX QST Article

50 Mhz 5 element EMT Conduite Beam - VA3EXT 5 element beam antenna for 6 meters band

The 7-Hex Driven Vertical Array - The array consists of 7 vertical antennas arranged as 6 verticals in a hexagon shape plus 1 additional vertical in the center of the hexagon

Collinear Microstrip Patch Antenna - Design of a 869 Mhz Collinear antenna

The DBJ-2 portable J-Pole - A Portable VHF-UHF Roll-up J-pole Antennam that resonates on both bands but actually performs as a half wave radiator on both bands

W0OXB All-band Zep Antenna - W0OXB All-band Centerfed Zep Antenna 160m-6m

Homebrew Buddistick 2007 - W3FF article about the buddistick portable vertical antenna in a PDF file

DCTL Antennas and other compact antennas - The Distributed Capacitance Twisted Loop is an inexpensive, effective, resonant alternative that can fit in a 8' tall by 12' or so wide space, like a wall, or balcony, even on 80 meters. 160 meters from an apartment, a full wave look and a cage dipole

An Examination of the Gamma Match - W3PG working analysis of the gamma match problem taht gives useful practical results

Comparison of two windom antennas - The antenna comparison being reported was between a commercial Chelcom 136ft multi-band windom designed for 80m to 10m and a home brew 260ft full size windom designed for 160m to 10m by G0VVN, G3KAU and G3GRO

ZS6BKW Antenna - A G5RV revisitation by G0GSF Brian

PMR446 - Resource center - PMR446 LPD433 SRD860 Resource site for PMR 446 users mostly in french

US Band Plan by ICOM - ICOM USA Amateur Radio HF VHF/UHF band plan updated to 2008, include a Common Country prefixes in PDF Format

European Repeaters listing - Listing of repeaters based in europe by PD2MEY

European Repeater page - Repeater list and guidelines by PD0PZL, Frank Fesevur

Phase Noise. - This is perhaps the most important parameter in many oscillators and it deserves an in-depth discussion on what it is, how it affects a system and how it can be minimised in an oscillator design.

Kenwood TS-2000 Review - The Kenwood TS-2000 All-Mode Multiband Transceiver review

YL's Touch - YL's Touch is a small QSL Card company, specializing in the creation of QSL Cards in a PDF format.

Low power VHF RF amplifier - Low power VHF RF amplifier with VMP1 Mosfet by IZ1BTS IK1XPD

Toroid data - Information on toroids, binocular cores, iron powders, ferrite

Second-Harmonic-Optimized Low-Pass Filters - Sometimes we need a little more output filtering than traditional designs offer. Look at a new filter that can give you that extra boost. QST article by W3NQN

Atlas of Ground Conductivity - The ITU-R World Atlas of Ground Conductivity in PDF

500mw CW Transmitter - A very quick and easy way to get on the air is to build a "Michigan Mighty Mite" CW transmitter for 160, 80, 40 or 30 meters. It can't get simpler than this. It has very few parts, costs almost nothing, and it works! Cost estimate $10 by VE6WTF

Oscilloscopes - basic use and measurements - A 12 pages pdf article about oscilloscope use, calibrating, operator controls and tips on making measurements by NA5N