AIS Analysis "Results" and AIS Standards Activities

Abstract

AIS Valid Position Reports are 18 bytes when transmitted from the ORBCOMM satellites to the ground infrastructure. They contain the information as noted in the ITU-R M.1371 documentation as follows: Message ID Repeat Indicator User ID (MMSI) Navigational Status Rate of Turn Speed Over Ground Position Accuracy Longitude Latitude Course Over Ground True Heading Time Stamp The final four fields as noted in the ITU-R M.1371 documentation are not used; they are: Special maneuver indicator (2 bits) Spare (3 bits) RAIM Flag (1 bit) Communication State (19 bits)

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Document Details

Document Type
Technical Report
Publication Date
Sep 04, 2008
Accession Number
ADA513705

Entities

People

  • David Pietraszewski

Organizations

  • United States Coast Guard Research & Development Center

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Abstracts
  • Accuracy
  • Artificial Satellites
  • Grids
  • Indicators
  • Information Operations
  • Infrastructure
  • Instructions
  • Latitude
  • Longitude
  • Maneuvers
  • Navigational Equipment
  • Space Based
  • Standards
  • Transport Ships

Readers

  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Geodesy
  • Positioning, Navigation, and Timing (PNT) Technology.

Technology Areas

  • Space