navigation acronyms, abbreviations and definitions - International ...
navigation acronyms, abbreviations and definitions - International ...
navigation acronyms, abbreviations and definitions - International ...
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NSCC Navigation System Control Centre (Galileo)<br />
NSE <strong>navigation</strong> system error<br />
NSGU Navigation Signal Generation Unit (Galileo)<br />
NSIDC National Snow <strong>and</strong> Ice Data Centre (US)<br />
NSL NATS Services Ltd<br />
NSO National Solar Observatory (Tucson, USA)<br />
NSP <strong>navigation</strong> signal processor<br />
NSRS National Spatial Reference System (US)<br />
NSTB National Satellite Test Bed (WAAS)<br />
NSW no significant weather<br />
NT net tonnage<br />
NT new technology<br />
NTD National Topographic Database (UK)<br />
NTDS Navy Tactical Data System (US)<br />
NTE not-to-exceed<br />
NTF National Transfer Format (OS format to transfer digital mapping)<br />
NTIA National Telecommunications & Information Administration (US)<br />
NTM (NtM) Notice To Mariners<br />
NTP network time/timing protocol (eg NTPv4 in 2008)<br />
NTS National Travel Survey (UK DTLR)<br />
NTS Navigation Technology Satellite<br />
NTSB National Transportation Safety Board (US)<br />
NTSC National Television St<strong>and</strong>ard Committee (US/Japan TV st<strong>and</strong>ard)<br />
NTSC National Transportation Systems Center (US)<br />
NUAA Nanjingl University of Aeronautics & Astronautics (China)<br />
NUC not under comm<strong>and</strong><br />
NUMAST National Union of Marine, Aviation & Shipping Transp't Officers UK<br />
NUP NEAN Update Programme (EUROCONTROL)<br />
NUP north pole up (of a magnet)<br />
NVC National Vocational Qualification (UK)<br />
NVEE night vision enhancement equipment<br />
NVG night vision goggles<br />
NW <strong>navigation</strong>al warning (marine)<br />
NWP numerical weather prediction<br />
NWS National Weather Service (US)<br />
º degree (unit of angle = /180 rad<br />
O/B on board<br />
O/H overhead<br />
O&M operations <strong>and</strong> maintenance<br />
O&S operations <strong>and</strong> support<br />
OAB operational advisory broadcast<br />
99<br />
March 2012