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HF / VHF Mobile Antenna by KØEMT - A 10 Bands mobile antenna for about the price of 2 mobile monobanders.

A 2.4Ghz Low-Power Vertical Collinear antenna - Antenna for 802.11 applications by Brian Oblivion and Capt.Kaboom

Cab-converter - A freeware apple Macintosh-based program that helps amateur radio contesters by converting a log from a radio contest into the Cabrillo file format which may be submitted to the contest sponsor.

YJ0MM Online Log - Vanuatu - YJ 2010 - DXpedition info and online log

Matanuska Amateur Radio Association - The Matanuska Amateur Radio Association (M.A.R.A.) is a general interest amateur radio club, with approximately 100 members, our members are involved in every aspect of amateur radio.

VAWA - Virginia Appalachian Wireless Association

Generac - A manufacturer of standby and prime power generator sets for industrial, telecommunication, commercial, small business, mobile and residential applications.

Helix Wind - Helixwind manufactures vertical wind turbines, the best choice for low wind speed residential and commercial applications.

Outbacker antennas - Outbacker mobile and portable antenna systems are slim line, highly efficient, single whip multi bond antennas for vehicular and limited space portable applications.

Astrodyne - Dedicated to the design, manufacturing, technical support, and delivery of innovative and cost effective power solutions for worldwide applications. AC/DC switching power supplies and DC/DC converters.

Ham Radio Online - Digital ATV First! - This Announcement First Appeared 13 August 1996 on the ATV Mailing List

Digital ATV experience - G8MNY experience on D-ATV

Wx-satellite reception - Weather satellite pictures, and how to receive them, with home made equipment.

Specialist Antennas - Antenna products and accessories for commercial, industrial, Emergency Service and military applications covering VHF, UHF, TETRA, ISM and GSM frequencies and beyond.

House of Batteries - House of Batteries is a master distributor and custom battery pack assembler for every major battery manufacturer in every battery chemistry for every electronic application

Praxtel Telecommunications - Praxtel offers coaxial cable and connectors, as well as fiber optic cable, connectors and other products for telecommunication applications. 50 Ohm Coaxial and Helical cables. 75 Ohm coax cables.

Integrated Engineering Software - Electromagnetic CAE simulation software for modeling and analysis. RF, Microwave & Antennas

D-Term - D-Start term, is a simple instant message or keyboard-to-keyboard chat application for DV mode

DSTAR SWITCH - n open collaborated project for creating base libraries and applications to allow the passing of information from the host computer to the D-STAR radio and vice versa.

Pocket Sat Tracker 2008 - Fast based on .Net. More than one satellite for tracking, schedule (file, Appoitments), Dopler, getting location and time by GPS, udate TLE via internet, select satellite by click, time in parametr, Sun&Moon, radar, output coords and dopler to any COM port using NMEA-183 format. Freeware.

CallBook for iPhone - CallBook is an Amateur Radio application that allows you to look up call signs via the free WM7D server, the QRZ Online subscription service or the HamCall subscription server and track active APRS stations on www.aprs.fi. Lookup results can be emailed and the QTH can be instantly viewed in the Maps application

Highly linear rf power amplifier design - The need of high linearity is one of the principal drivers in the design of power amplifiers for new generation applications

Power Aamps RF voltages - This test circuit is easy to duplicate, and demonstrates the extreme voltages that appear in an amplifier when the load is improper for the amount of drive power applied.

Datasheet Archive - Search engine for electronic component datasheets and application notes.

Using An Oscilloscope - It allows you to take a peek into a circuit to see what is happening has it happens, irrespective of the speed with which it is taking place