gps system

T antenna with matching network for 160 m - 160m T Antenna broadcast design by Guglielmo Marconi has been built and is used by Jim NN4AA on 160m. Article by G7LRR

End Fed Half Wave Antennas - An interesting article on end fed half wave antennas

Distribute one antenna to multiple receivers - System for distribution of a receive-only antenna to multiple receivers

D-Star video demonstration - KE7FTE, N7QQU and W9ERT show us the "drag and drop" flexibility of the Icom D-STAR System.

SES Flexcharge - Ultra High Efficiency Alternative Energy System Controllers

Atlantis Energy Systems, Inc. - Manufacturer of Building Integrated Photovoltaic (BIPV) products with european and north america dealers

Kvazar - Manufacturer of photovoltaic cells, solar modules and solar systems in Ukraine

Wind Turbine Industries - Sole manufacturer of the Jacobs Wind Systems

Lunar Link Systems - VHF UHF Power amplifiers and accessories

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.

RFS - Radio Frequency Systems (Formerly Celwave, Cellwave, Cablewave),Wifi antennas, duplexers.

N2HLT UHF Repeater System - N2HLT UHF multi linked repeater system serving the Finger Lakes area of Western New York State, Central New York and the Northern Tier of Central PA.

Technology Systems - Supplier of Heathkit documents, full high quality manuals fom NEW manuals, full catalogs all pdf format. Schematics and 1000 pictures

Frequenzdatenbank.de - Frequency database for Germany. Emergency services, aircrafts, radio and paging system with over 2000 frequencies from all over Germany.

4ATV.com - Amateur TV transmitters and receivers for ham operators, wireless cameras, ham antennas, 2.4 1.2 900 Mhz systems

South Midlands Communications Ltd - Antenna support masts, towers and HF antennas, pneumatic masts, push-up masts, antenna masts and mounts, poles, antenna systems, dipoles, portable, nvis antennas

Adur Communications - Specialist in the design and supply of Radio Communications Equipment and Systems. West Sussex England. Antennas, traps and baluns inline isolators, Outbacker Antennas, Mobile Mounts and Accessories

FreeBytes - On line shop in Greece for amateur radi products, electronics, DAB Radio and GPS

Hope Valley Radio - We supply and maintain radio systems. Anyone that requires a radio communications system can be confident that we can supply and maintain a scheme that is second to none

Anritsu Connection - Anritsu provides solutions for wired and wireless communication systems and operators. Anritsu products include wireless, optical, microwave/RF, and digital instruments, as well as Operations Support Systems and solutions for use during R&D, manufacturing, installation, and maintenance.

Oscilloscope Software by Tektronix - Tektronix oscilloscope software helps automate and speed up the testing and evaluation of challenging system designs. Choose from over 30 software packages

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.

KIØDZ Solar System - Setting up a solar power system in your shack

Antenna Selector - This project was built to be able to experience with more of an antenna and also in turn to be able to have a system that offers security to the receivers, carrying out the discharge to ground of the antennas

Oil filled dummy load - This project will demonstrate how to build a dummy load, and measure power correctly by AI4JI