free map

A Horn Antenna for 2.4 GHz. - This Antenna is not really practical for AO-40 reception, but horn antennas have a number of qualities useful in microwave antenna testing and noise figure measurements.

Quagi Designer - Quagi antenna design, this little windows application let you calculate dimensions of elements and spacing of a quagi antenna. Freeware by VE3SQB

F5KEE Quagi 8 elements - An 8 element quagi antenna for 2 meters band, with pictures and diagrams, in french

Mobile 2.45Ghz antenna - A prototype 2.45ghz antenna for mobile use. This antenna has been u sed for surveying signal strength using a variety of free wlan tools.

2.4GHz Cubic Quad Antenna  ^{updated  pop} - The Cubic Quad antenna is a commonly homemade antenna in the range of about 150 odd MHz. Our little project was to design one of these for use in the 2.4GHz range for 802.11 wireless LANs.

ARIDX by UA1AAF - At the moment the most used program is UA1AAF. It is an excellent program written by Boris, UA1AAF, to handle ARI International DX Contest. It can simulate K1EA or N6TR workings; it will be possible to connect the RTX to the computer using a standard interface in such a way as to transmit directly in CW from the keyboard; most of the controls are like K1EA's CT and N6TR's TR ; on line help provides almost all the information necessary for using the program. Is possible to insert QSO after the contest. An appropriate utility in included for conversion in ADIF format. The program is very small and therefore works without any problems on any IBM compatible computer with DOS 3.3 and over or Windows 95/98.

F5KEE Viry Chatillon Radio Club - F5KEE le radio club de Viry Chatillon

Greater Vancouver Radio Group - Greater Vancouver Radio Group, a non-profit group of ham radio hobbyists in the Greater Vancouver area. Membership is free to all licensed ham radio operators.

HAM Radio Map - Personalized map company makes custom maps for ham radio enthuasiasts

BHI Ltd - Noise eliminating products. Remove unwanted background noise and interference leaving only the speech. Clear communications, listen stress free. Dsp noise cancellation solutions.

VBI-360 Beam Indicator - VBI-360 Beam Indicator - New Display Units, Repairs & Map Upgrades, SteppIR, Green Heron, 90 Degree Offset, Global Beam Display, CGARS, Hy Gain, Roto-Brake

W6AMT Grid Maps - Maidenhead grid maps for VHF/UHF, These maps make excellent wallpaper for your contest setup.

Canada, radio spectrum allocations - Graphical maps of radio spectrum and frequency allocations in canada

IF-MOD for Yaesu FT-1000MP - In this page you can find some pics of the mods that you can make to the FT-1000MP/Mark V

Army Radio Sales  ^pop - Devoted to all sorts of military radios and their hardware, as well as other interesting military items, and military vehicles. Army Radio Sales website contains a wealth of free information on military radios and military vehicles, as well as on-line manuals, your very interesting articles, thousands of pictures, as well as a fully automated free classifieds advertising section to advertise your needs.

IP-Sound  ^pop - IP-Sound is a Free application for audio exchange client to client over a TCP/IPv4 network (Lan/Internet). The main purpose for the existence of IP-Sound is to provide low quality audio 8-16kHz, with low latency for use together with remote control software for "ham" radio amateur equipment. IP-Sound is developed by SM5VXC.

WM8C Radio Clip Art - Ham radio clip art collection, all clipart on this page is free to use and to be treated as link ware

Radio Clip Art pictures - Royalty free clipart and pictures about radio and antennas

SignalGen - SignalGen is a free (GPL) Linux (Xwindows GUI-based) utility that generates relatively low frequency signals with the use of a PC sound card. It is an entirely suitable replacement for a hardware signal generator if one doesn't require signals of a frequency higher than about 50 KHz. SignalGen creates any frequency between a fraction of one Hertz and an upper limit determined by your sound card's capabilities.

FFT Explorer - A free (GPL) Linux (Xwindows GUI-based) utility that performs spectral analysis on real-time data from a sound card or other source, and can analyze the spectra of various sound file types. It can also accept data from many kinds of applications in plain-text form by way of the "named pipe" feature of Linux

LiHaLo : LInux HAm LOgbook - Freeware ham-radio logbook written in PHP, and based on Apache and MySQL, even if developed undex linux has been tested with windows and macosx by on4axv and on5dqz

Hamlog - A simple quick and easy to use Amatuer Log Book for windows

Logger32 for 11m - Logger32 special version dedicated to eleven meters band operations

GeoAlert-Extreme Wizard - GeoAlert-Extreme Wizard maintains updated geophysical indices and displays the information in a friendly - at a glance - manner. GeoAlert-Extreme Wizard features a Global Maximum Usable Frequency, MUF, map that creates and manages predictions from the VOACAP engine. Displayed geophysical indices include: solar wind Bz component, speed and pressure, current WWV type indices and predicted solar flux, planetary A-Index and probability of major storms at middle latitudes for the next day.

Delabs technologies Product Design and Engineering - Around 200 electronic circuits in pdf format or images, There are also over 1000 links to useful electronics, freeware, open source websites. There are some 100 useful documents, software and pcbs too. Mainly industrial electronics, instrumentation. Covers Various aspects of electronics and basics of circuit design.