navigation acronyms, abbreviations and definitions - International ...

W watt
W-CDMA Wideband CDMA (air interface standard in 3G mobile comms)
W-CDMA wideband code division multiple access
W-Code GPS encryption code to add to P-Code to create Y-Code
W/V wind velocity
W3C World Wide Web Consortium
WAAS Wide-Area Augmentation System
FAA term describing their GNSS-1, augmenting GPS SPS from a
geostationary satellite with additional navigation information plus
differential and integrity data. Available for VFR Aug 01, IFR Aug 03
WAC World Aeronautical Chart (1:1 million scale)
WACAF Western and Central African Office (ICAO)
WACS wireless airport communication system
WAD wide-area differential
WADGPS wide area DGPS
WAFC World Area Forecast Centre (London [Exeter 2004] and Washington)
WAFS World Area Forecast System (ICAO)
WAGE Wide Area GPS Enhancement
WAH when able higher (ATC)
WAM wide-area multi-lateration
WAN wide area network (often joining together LANs)
WAP wireless application protocol (rhymes with ‘zap’)
Specification to enable mobile phone, pager or PDA to access the
Internet.
WARC World Administrative Radio Conference (now WRC)
Wb weber (magnetic flux)
WBMOD Wide-band Scintillation Model (for GPS)
WCS Web Coverage Service (of OpenGIS Spec)
WCV waypoint closure velocity
WDOP weighted dilution of precision (see DOP)
WEEE Waste from Electrical and Electronic Equipment (EC Directive)
WEND Worldwide Electronic Navigational Chart Database (IHO)
WEP Wired Equivalent Privacy (WiFi security)
WERD Western European Road Directors
WETREP Western European Tanker Reporting System (from July 2005?)
WFS Web Feature Service (of OpenGIS Spec)
WG-GGI Working Group on Geodesy and Geographic Information
WGS World Geodetic System
A consistent set of parameters describing the size and shape of the
earth. Most common system is WGS-84 (1984), used by GPS; uses
semi-major axis of 6,378,137 m and flattening of 1/298.257.
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March 2012