Magazine, buyer`s guide, solutions database, columns, products and reviews, and employment opportunities.

Mehaffey, Yeazel and DePriest`s site provides dozens of reviews and technical articles on GPS receivers and software, and a huge list of links.

Downloadable free GPS maps for travel adventures, self-guided tours, and outdoor activities. Map data includes waypoints and routes for use with handheld GPS and car navigation systems.

GPS, DGPS, LORAN-C, OMEGA, navigation systems, GPS navigation, DGPS navigation.

Tools for plotting latitude, longitude and UTM coordinates on many different scales of topographic maps.

Resource from the UK Government intended for GPS-equipped surveyors, and Geographic Information Systems (GIS) developers who work with Ordnance Survey (OS) mapping. Includes the Passive Station Database, Active Station RINEX Data, and Coordinate Converter

Global positioning system overview and bibliography.

Practical guides, tips, tricks, equipment, software reviews, and other related information provided by recreational GPS users.

Database of geographical waypoint information and utilities for GPS/GIS users.

Introduction to GPS Applications

Project aiming to establish a European radar altimeter calibration and sea-level monitoring site for JASON, ENVISAT and Euro-GLOSS.

Navigation, tracking and field data collection software for PalmOS handhelds.

GPS Portal with books, gears, manufacturers, research and applications.

GPS technology usage world-wide is featured. GPS application stories are accessed by geographic regions. GPS tutorials are available to enhance understanding.

Dual frequency GPS & GLONASS, as well as EGNOS, WAAS and MSAT based on an in-house single baseband processor.

SNAP is Australia`s largest academic GPS research group specialising in high precision GPS technology and applications.

C-language software package for GPS-based real-time positioning and orbit determination. Includes system overview, technical papers, and a live demo .

GPS Base Stations located in New Zealand, Australia, and New Guinea. Download GPS data files for $40-$70 per day.

GPS receiver comparisons.

Navigation-Wonder, a shareware GPS mapping navigation software including voice response system [Windows].

A free membership society to bring together the delegates, sponsors, and exhibitors for the Satellite Navigation Conference and to foster, develop, and assist the Global Positioning System disciplines.