build your own external

Build A Magnetic Loop  ^{updated  pop} - Documents and schema on how to build a Magnetic Loop Antenna fo 80/30 mtrs

6dB colinear VHF antenna  ^pop - Building details of a VHF colinear antenna with 6 db gain

Choke Balun Designs - In this designs G8ODE explains different methods to builds a choke balun

2 Element Quad Project - Homebrew quad antenna project you can build for very little cost for 12,11CB,10 meters and higher frequencies

Phone line as a SW antenna - This article describes how to use a phone line as a shortwave receiving antenna, but be carefull telephone lines present a potential shock hazard, use at your own risk

Ham Radio And The WTC Disaster - "W2IK's Personal experience being the first responder at ""ground zero"" during the WTC 9/11 disaster."

Ham Radio Emergency Communications - What to have before you go.

Whitton Amateur Radio Group - If you find yourself in London then please do visit. The club operates a HF station with the call sign GX0MIN, Friday evenings. We have held the contest call sign M2W since 2000, and regularly participate in HF contests. CQWW SSB is a favourite and the group has operated the October event from Whitton using M2W and from DX locations during the years, with the calls 9H0WW, ZC4DX, C56DX, A45ZN.

Minnesota Repeater Council - Organization of Minnesota repeater owners and users, and Minnesota frequency coordination.

LiveScannerAudio group - Live Scanner Broadcasts Online 24/7. Learn how to broadcast your scanner as well as listen to others worldwide. Police/Fire/EMS

Ham Radio Among The Alligators - Activating a county for ham radio can be dangerous to your health!

Your Remote S-Meter - A Kenwood R-5000 communications receiver located in Salt Lake City that you can remotely control and receive S-Meter readings and audio from via a web browser.

KEPS Equipments for AO40 downlink - Complete receive system, downconverters, dishes, feeds and preamplifiers for AO40 satellite users

What is DX - Some people say the "D" in DX stands for Distance, and the "X" stands for the unknown, meaning hearing unidentified stations until identified. Read more on meanings of DX in Ham Radio slang.

How to wind a choke - How to build and properly wound an efficient RF choke to protect antenna controller in mobile setups

NAVTEX - The NAVTEX system is used for the automatic broadcast of localised Maritime Safety Information (MSI) using Radio Telex (also known as Narrow Band Direct Printing, or NBDP).

Put Your Scanner Online - how to - This tutorial explain how to put your radio feed streaming on the internet using MS windows media encoder.

Customized LED Callsign Microphone Pins - Be seen day or night at your local HAMfest or HAMvention with these callsign pins!

YagiCAD - A freeware software package for Yagi design. This webpage also contains many sample and standard antenna downloads for experimentation.

Azimuth - The AZIMUTH program plots a world map in either azimuth (beam heading) or Mercator projections. If you specify your home location in latitude and longitude, the azimuth projection is centred on your location. The Azimuth map program can display Maidenhead grids - this is useful for 6m, 2m, and UHF DX communication display. Various features of the map are: Azimuth or Mercator projections , Maidenhead grid display, Simple map zooming, Print maps with adequate resolution up to one meter sized map

Installing Mobile equipment - Installing mobile equipment the right way, pdf file with instruction on setting up a cb radio in your vehicle

Fox Tango International - Yaesu FT-101 Users Group purpose and scope is to serve as a sort of benevolent, protective, mutual aid and social club, essentially for the purpose of interchanging information, ideas, experiences and problems. By and for owners of Yaesu amateur radio equipment. Founded in 1972 by Amateur Radio operator Milton Lowens N4ML

Simple CMOS elbug - It is a simple electronic keyer that proved to be reliable, precise timing and no own phantasy by OK1DX

An Advanced VHF Wattmeter - A few modifications greatly increase the utility of a popular QST projec

Build A Vector Network Analyzer - The VNA (vector network analyzer) is an essential tool for measuring the complex impedance of a circuit at a given frequency. Article on how to build a Impedance analyzer.