A-GPS (Assisted-Global Positioning System)

A-GPS (Assisted-Global Positioning System) is a system that often significantly improves the startup performance—i.e., time-to-first-fix (TTFF)—of a...

Spatial Interface

Formerly known as the Spatial Information Function (SIF), the Spatial Interface provides an interface between an authoritative copy of GIS data and...

IP (VoIP) Paging

Involves using Voice over Internet Protocol technology to broadcast audio announcements over networked devices, replacing traditional analog systems...

TSV

Tab‐separated Values. A base station almanac file format.