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Axial-Mode Helical Antenna Calculator - Simple implementation of the ARRL Antenna Book design equations for the axial-mode helical antenna.

K7MEM - Folded Dipole Design - Design your own folded dipole antenna

K7MEM Center-Fed Half-Wave Dipole ( 3-30 MHz) - A Center-Fed Half-Wave Dipole is probably the simplest of antennas to construct and use. It is usually suspended between two supports, from it's end insulators, and has the feedline hanging from the center.

K7MEM - Inverted V Antenna Design - Inverted V antennas is a dipole with the center raised on a mast and the endpoints near ground. Calculate dimensions online.

Helical/helix antenna 2.4 GHz HOWTO - Helical/helix antenna cookbook recipe for 2.4 GHz wavelans and/or WiFi applications

Understanding Antennas For The Non-Technical Ham - A Book By Jim Abercrombie, N4JA. Reason for writing this book is to educate you so you can make an informed choice concerning the best antenna for you. Another reason is to dispel the many antenna myths that circulate in the amateur communit

Antique Mall Books - We have a large selection of PHOTOFACT, repair manuals as well as some Perpetual Troubleshooter's Manuals. New ones are added almost daily.

The Sweepsteaks Handbook - Mad River Radio Club Sweepsteaks Handbook A PDF handbook for midwest SS contesters

ZS South African Call book - Use this search engine to look up call signs for South Africa (ZR, ZS and ZU), and members of the SARL who hold foreign call signs

ZL Awards - New Zealand, the information has been taken from the New Zealand Call Book, published annually by NZART

LogSeach.de - Ham radio logbooks database, include a dx news calendar and a qsl manager service by DL5NAM

ST2NH Home Page - homebrew,books,satellite and software

Amateur Radio Online - Ham Radio Auction Gateway - Ham radio ebay auctions, amazon affiliate bookstore and more

T.R. McElroy Key Collection - Morse code keys collection

AO-7 Logbook Site - Resource for those who are actively uses the Amateur Radio Satellite AO-7

Technical books online - Downloadable Amateur Radio Tube related technical books free of charge and ready to download.

RF Circuit design basics - Ebook by Akira Matsuzawa Tokyo Institute of Technology, Building blocks in RF system and basic performances, Device characteristics in RF application , Low noise amplifier design, Mixer design and Oscillator design

mikroElektronika books : Radio receivers - Radio Receivers, from crystal set to stereo, free online ebook including, principles of radio transmission, direct radio receivers and superheterodyne receivers

Tentec/Globe Wireless RX-321/RX321 - This page is dedicated to amassing information on the Tentec/Globe Wireless RX-321/RX321

Radio Astronomy Supplies - Radio Astronomy Supplies astronomy products since 1994 including radio telescopes, LNA's, noise callibration source, books, videos.

QTH Locator - QTH Locator is free Windows program to calculate distances and angles between 2 stations, with a data base to handle and store position data (even usable as a simple logbook) and a lot of graphic stuff to display geographic positions. It is capable to display self-made maps or UIVIEW maps also. by dg4mcb

LoggerXP - Russian Amateur Radio logbook software by UA3GDW

Log DXpedition - Freeware windows software log book management dedicated to dxpedition operations by IK6CAC

Contact-Multi - Contact-Multi is a Freeware Multi Digital program for Windows (PSK, RTTY,FSK and MFSK). It provides a DXCluster, Diplomes,LogBook,Qsl's Print, statistics Shareware version available. English and Spanish version

HRIS2 Priority listing - This program can be used for statistics of sending QSL. Also it is possible to use her as the help data on DX-ing (DX VIA, ADDRESS MNG, IOTA-ped.) The information is brought in base delivery of the program on " DX via " and " Address QSL mng " from bulletins 425 (with 205 on 858) by US7IB