navigation acronyms, abbreviations and definitions - International ...

IVU in-vehicle unit
IWAAS Initial WAAS
Capable of supporting navigation and CAT I precision approach but
lacking internal redundancy and guaranteed availability.
IWAN internal wide area network
IWP intermediate waypoint
IWV integrated water vapour
J-band NATO radar band 10-20 GHz = 3-1.5 cm
J/S jamming-to-signal ratio
JAA Joint Aviation Authorities (40 members in 2006)
JANE Joint Air Navigation Experiments (EU)
JANSC Joint Air Navigation Services Council (MOD/NATS)
JAR Joint Aviation Requirement (of the JAA)
JAR-OPS Joint Aviation Requirement Operations Manuals
JARUS Joint Authorities for Rulemaking on Unmanned Systems (EU)
JAXA Japanese Aerospace Exploration Agency
JCAB Japanese Civil Aviation Bureau
JCG Joint Coordinating Group
Comprising chairmen & chief executives of the GLAs.
JCMACC Joint Civil Military Airspace Coordination Committee (EU SES)
JD Julian Day (count of days from midday on 1 January 4713 BC)
JDRMA Japan Digital Road Map Association
JERICHO Impact of a Changing Wave Climate on our Coasts (BNSC project)
JGPSC Japan GPS Council
JIBS Joint Irish Bathymetric Survey (Project under INTERREG IIIA)
JIN Japan Institute of Navigation
JLOC Jammer Detection and Location System (US for GPS)
JMC Joint Maritime Commission (of ILO)
JMSA Japan Maritime Safety Agency
JNRP Joint Navigation Requirements Policy (GLAs)
JOI Joint Operating Instruction
JOS Joint Operation Schedule (EGNOS)
JPALS Joint Precision Approach and Landing System
Rapidly-deployable military system. Was extended (2003) to use LAAS
to get to CAT III. Joint US Forces.
JPEG Joint Photographic Expert Group
Standard for digital image compression.
JPL Joint Propulsion Laboratory (Pasadena CA, USA)
JPO Joint Program Office (US)
JRANS Japan Regional Air Navigation System (planned for much of S Asia)
JRC Joint Research Centre (EC)
JRCC joint rescue co-ordination centre
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