70cm 5/8 gp

Diplexer construction 2m/70cm and SW/VHF - Build your diplexer with more than 70db port isolation and less than 0.2db attenuation. Easy project.

Double Extended Zepp Antenna  ^pop - This double extended Zepp provides 3 db gain over a dipole on the band it is designed for. Each side or leg is about 5/8 wavelength long.

G4CQM Homebrew VHF Yagi antennas  ^pop - Homebrew VHF Yagi 50MHz 144MHz 432MHz 1296MHz 2320MHz 6M 2M 70CM 23CM 13CM Yagis

EH antenna power lost considerations - Out of Balance Current or Longitudinal Mode Current in the Coaxial Cable causes radiation from the coax. But how large a proportion of the total power is radiated or lost from this Current?

Japanese Amateur Radio Teleprinter Society (JARTS) - The biggest RTTY/PSK31 club in Japan includes info on JARTS RTTY Contest

Japan Award Hunters Group - A major national award club in Japan

Plainfield Radio League - An ARRL-affiliated club serving the Plainfield-area and Joliet. Sponsors the WW9AE 70cm ARES repeater 444.550 + 114.8. Meets last Wednesday of the month at the Plainfield Family Restaurant at U.S. Rte. 30 and Renwick Road at 7:00 p.m.

CES Wireless Technologies - CES Wireless Technologies manufacturer of Mobile information Systems including Dispatch and Mapping Software, GPS, AVL, Mobile Data Display Terminals, ANI, CTCSS, and Microphones

KB6KQ Loop antennas - Horizontally polarized, omnidirectional loop antennas for VHF and 70cm amateur bands

Elcom Research - Small enough to carry it in your shirt pocket and powerful to fit your needs. It will be your companion for years, thanks to the "FirmwareLiveUpdate" feature. Use it for everyday packet, for APRS, as a Tracker with a GPS or as APRS digi.

Laipac Technology Inc. - We are committed to constantly improving our solutions in areas of GPS System, GPS Receivers, GPS Antennas, GPS Dataloggers, RF Modules, Wireless Security Systems, Automatic Vehicle Location (AVL) for real time and passive tracking

Low Power Radio Modules - Low power radio modules - supplying rf modules, rf transceivers, radiometrix transmitters receivers, low power radio modules, scada, frequency hopping, 900 mhz, wireless data transmission, data telemetry, gps modules & receivers and more

Adventures in GPS antenna construction - Adventures in amplified GPS antenna construction; an experiment

Handling GPS Antenna - Installation guidelines for static GPS Antennas

Global Positioning System Primer - Welcome to the Global Positioning System (GPS) What is GPS? What is Navigation? GPS Elements Satellites in Space Ground Control Stations and Receivers, How GPS Works - An Amazing System, Military Uses for GPS

GPS Time Series - The Global Positioning System (GPS) is a constellation of 24 satellites which is used for navigation and precise geodetic position measurements.

Navstar GPS - GPS signal characteristics, system time, system segments, frequencies

Maps and GPS Info - GPS information and thorough product reviews

USCG Navigation Center DGPS - Differential Global Positioning Service (DGPS) is a land-based augmentation system that receives and processes signals from orbiting GPS satellites, calculates corrections from known positions and broadcasts these corrections via a Medium Frequency (MF) Transmitter to DGPS users in the Broadcast Site’s coverage area.

CES Product Manuals - CES Wireless Technologies is a world leader in the design, manufacture and implementation of Wireless Signalling products - Including GPS, AVL, MDT's, Mobile Data Terminals, CTCSS, and Microphones

Radio Center C.B. Comunicaciones - Radio Center radiafición, Gps, Garmin, Kenwood, Yaesu, Navilock, dealer in Spain

Elettronica Turrisi - TRasceivers HF-VHF-UHF, repeaters, GPS, antennas, based in italy

EchoMac - This is a program for MacOS X to access the Echolink system.

iSpectrum Analyzer - Macintosh audio spectrum analyzer that allows the user to view live audio in a standard frequency plot, a stereo oscilloscope view and a waterfall display

FT1000MP-SuperControl - FT1000MP-SuperControl is a complete CAT control and "better than nothing" logging program, based on the legendary FT847-SuperControl program. The program has been developed especially for the FT-1000MP transceiver series including Mark-V and Field.