When communicating location use WGS 84 Datum with the Geographic Grid and provide Latitudes and Longitudes in Degrees, Minutes and Seconds (DMS).
Core GIS products (map production, geoprocessing, and spatial analysis)
ESRI's ArcGIS, ArcView 9.3, Spatial Analyst 9.3, and ArcPublisher 9.3
Spatial Data Management:
Geodatabases - Vector and Raster
Shapefiles - Vector
Other GIS utilities that are either in use or being tested:
Google Earth - able to read GeoServer KML and WMS file formats
Google Maps - able to read GeoServer KML and WMS file formats
MapServer Open Source JavaScript application for serving maps and data through the internet
GeoServer - Open Source JavaScript application for serving maps and data through the internet
PostgreSQL - Open Source online database to serve spatial data to
PostGIS - Open Source PostrgreSQL plug in for spatial data
GPS:
Infinity GPS-MIC
Garmin Units