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VHF-UHF Portable Yagi-Uda - VHF-UHF portable Yagi-Uda antenna design and construction notes by XE1MEX

Dipole Height - Dipole Antennas, the effect of height above ground

G4NCE's Vintage Military Wireless Collection - G4NCE's illustrated vintage military wireless collection. Featuring British, Canadian and New Zealand Army eqpt, and Royal Air Force eqpt, from WW2 and the 1950's.

Valve Data Sheets - This web page has full data sheets for a number of commonly used valves. Most are Eimac and include the 2C39A, 3-500Z, 3-1000Z, 3CX1500A7, 3CPX5000A7, 3CX5000A7, YC156, 3CX15000B7, 4CX250B, 4CX250A, 4CX1000A, 4CX1500B, 4CX10000J etc. These are not avialable on Eimac's web site in full - only brief notes.

1 AT 917 Daniele Priority listing - 1AT917 Daniele Homepage

Ontario QSO party - Contest info on the Ontario QSO Party amateur radio contest held third full weekend of April each year. This year on April 21-22nd, 2001

EU Sprint Contest - It's a nice DOS program to handle the EU Sprint Contest written by Peter, DL2NBU (tnx). Both the screen and most of the commands are very similar to CT by K1EA so the program will be real friendly. Use a standard CW interface (see below) to connect your computer to the radio and send CW from your keyboard. SPRINT runs on any IBM compatible computer (XT, AT) with MS-DOS 3.3 or higher, W95 and W98. The ZIP file includes an ASCII file in English written by the author with instructions.

DXCC Beam headings - Display a current DXCC list with beam headings centered on your location.

ARRL DX Century Club Program - The ARRL DXCC Challenge is a new program for all band DXers

Radio Sounds  ^pop - Several files with sounds you can ear on the air, includes PSK31, MT63, QPSK, RTTY and Hell variants

MDXA DXCC Beam Headings - Display a current DXCC list with headings centered on your location

Radio History - Here you can find examples of old-time radio during its developmental period. The material consists of first-hand memories, gleanings from radio archives and other sources

A World of Wireless, Radio Museum - A World of Wireless is our virtual radiomuseum. It shows the history of radio from a Dutch perspective. Learn about the early history, enjoy the nostalgia or browse our database. Our free diagram service contains 150 downloadable Philips diagrams.

ADIF Specifications - Amateur Data Interchange Format, provide a standard interchange independent of operating system or programming language for amateur data that will permit easy and direct transfer of data conforming to the standard between various amateur programs as well awards and contest sponsors.

TV transmitters in Europe - Frequency list of TV transmitter video carriers within the range of 48-85 Mhz.

Ham Radio & DSP - Related histories, facts and opinions by EA2BAJ, includes example of PSK MT63 QPSK audio files in wav file

METEOR software - METEOR v 4.0 DOS and COLORGRAMME Specialized software in the detection and registration of echoes radio products by meteors shower (falling star) at the time of their gone in atmospheric

G0ITP Ham radio SSTV Pages - The UK Home of Slow Scan Television

Radio-Wave Propagation - KC¤DMH radio wave propagation notes with illustrations

Tropical radio stations - List of tropical radiostations from 2300 to 5100 khz

Pori Short Wave Base - Website of YLE Radio Finland Pori short wave Base: photos, backgrounds to Your PC monitor and more, in finnish

Electronic DX Press - Founded in 1995, a Club with a worldwide membership, administered from Australia. Shortwave, digital broadcasting, Australian medium-wave and FM, equipment. E-mailed "World Broadcasting Magazine", messaging forums, regular radio programs, extensive resource library.

Finite difference program - This software is able to calculate the properties of odd shaped transmission lines. Particularly good in valve amplifier design, for aiding the design of transmission line resonators.

Simple Terminal - Windows program that only works with PTC-I and PTC-II TNC.

Fuse Those Batteries - The proper way to fuse the 12 VDC power cable between a battery and a mobile radio.