Founded in 1989, GPS World is the first and only international monthly journal that features news and applications of the Global Positioning System, GLONASS, and related technologies. GPS World Newsletter, published twice a month, offers news reportage and analysis of business and technology developments, marketing trends, and policy issues affecting the GPS community.

Geodetic Datum Overview

Global Positioning System Overview

Map Projection Overview

GSM World - the world wide web site of the GSM Association.

GSM Info Online provides detailed information about GSM network operators worldwide. Details include network, roaming, services and coverage information for over 300 operators in 142 countries/areas of the world.

http://www.gsmworld.com/gsminfo/gsminfo.

One-World  GLOBAL CALENDAR 2000.

Multi-Cultural Educational Resource International Festivals, Celebrations and Holydays

http://www.zapcom.net/phoenix.arabeth/1world.html

Earth Calendar 2000

The Earth Calendar is a daybook of holidays and celebrations around the world. Look for the map it symbol on most countries to view a map of the country and its location in the world.

http://www.earthcalendar.net/countries.html