MapToGround
GPS use and mapping in humanitarian applications

Mapping and GPS basics

A Field Guide to the GPS and Associated Technology

The "Humanitarian Field Guide to GPS Technology" is a 6 page PDF document that covers GPS basics, waypoints, tracks, scale, coordinate systems, and datums.  It discusses the interaction of KMZ files, GPX files and GPS data with Google Earth.  It includes links to mapping and GPS resources.

    GPS basics – brief description – effectiveness – waypoints – tracks
    GPS units – external antenna – touch screen
    Coordinate systems – latitude, longitude – geographic – UTM – MGRS
    Datum basics – WGS 84
    Scale – scale ratio – scale bar – large/small scale
    UNOSAT, Logistics Cluster, WFP and ZKI footprints
Updated: 5 March, 2017       MapToGround introduced July 2010.       site management