navigation acronyms, abbreviations and definitions - International ...
navigation acronyms, abbreviations and definitions - International ...
navigation acronyms, abbreviations and definitions - International ...
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JRSC joint rescue secondary centre<br />
JSC Joint Spectrum Centre (US)<br />
JSR jamming-to-signal ratio<br />
JSR Java Specification Request<br />
An optional package that enables developers to write mobile<br />
location-based applications for resource-limited devices.<br />
JTC Joint Tripartite Committee (EGNOS)<br />
JTIDS Joint Tactical Information Distribution System (US/NATO DL)<br />
Also known as NATO Link 16.<br />
JTSO Joint Technical St<strong>and</strong>ard Order (JAA)<br />
JU Joint Undertaking (Galileo management)<br />
JUCG Joint User Consultative Group on Aids to Navigation<br />
Set up in 1988 by the then Dept of Transport. Now run by the GLAs<br />
with secretariat at TH.<br />
JWG Joint Working Group (ICAO <strong>and</strong> IMO)<br />
k kilo (SI unit multiplier of 10 3 )<br />
K-b<strong>and</strong> NATO radar b<strong>and</strong> 20-40 GHz = 1.5-0.75 cm<br />
K-b<strong>and</strong> Old radar b<strong>and</strong> 18-27 GHz (ITU assigned 24.05-24.25 GHz) ~ 1.5 cm<br />
K a -b<strong>and</strong> Old radar b<strong>and</strong> 27-40 GHz (ITU assigned 33.4-36.0 GHz) ~ 1 cm<br />
Kalman Filtering Mathematical method of combining data to give optimal position<br />
(velcity etc) solutions whilst on the move.<br />
KAREN European ITS framework architecture<br />
kbit kilobit<br />
1,024 bits or 128 8-bit bytes.<br />
kbps kilobits per second<br />
KCP Crew Knowledge <strong>and</strong> Proficiency (marine)<br />
KF Kalman filter<br />
kg kilogram (1,000 grams)<br />
kHz kilohertz (1,000 cycles per second)<br />
KIAS knots indicated airspeed<br />
KIN Korean Institute of Navigation<br />
KinPos GPS/INS integration software package (Nottingham University, UK)<br />
Klobuchar model to calculate slant ionospheric delay (eg GPS)<br />
KLT Karthunen-Loève-Transformation<br />
km kilometre (1,000 metres)<br />
KMF key management facility<br />
kn knot (unit of velocity <strong>and</strong> speed)<br />
1 kn = 1 NM/h = 0.514444 m/s.<br />
KNAG Royal Dutch Geographical Society<br />
KPI key performance indicator<br />
KR Korean Register of Shipping (classification society)<br />
KSI killed or seriously injured (accident stats)<br />
78<br />
March 2012
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