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authorEric S. Raymond <esr@thyrsus.com>2011-01-28 16:58:55 -0500
committerEric S. Raymond <esr@thyrsus.com>2011-01-28 16:58:55 -0500
commit6d28ed6d07ab3ec92351acea296ed4b984f94db7 (patch)
tree56c958d3985ce24bec210704749946e444172fe0 /www
parentf587b5cc65d6f08086bd5097e3213466cb27f6c8 (diff)
downloadgpsd-6d28ed6d07ab3ec92351acea296ed4b984f94db7.tar.gz
Merge updates from IMO 289, communicated by Kurt Schwehr.
Diffstat (limited to 'www')
-rw-r--r--www/AIVDM.txt51
1 files changed, 26 insertions, 25 deletions
diff --git a/www/AIVDM.txt b/www/AIVDM.txt
index f1385384..5a4becd8 100644
--- a/www/AIVDM.txt
+++ b/www/AIVDM.txt
@@ -1,6 +1,6 @@
= AIVDM/AIVDO protocol decoding =
Eric S. Raymond <esr@thyrsus.com>
-v1.27, July 2010
+v1.28, Jan 2011
This document is mastered in asciidoc format. If you are reading it in HTML,
you can find the original at http://gpsd.berlios.de/AIVDM.txt[]
@@ -442,7 +442,7 @@ of 669.
Detailed descriptions of message types 1-24 follow. Message types 1-22
are derived from <<IALA>>. Message type 23 was decribed to me by Mike
-Greene based on <<IEC62287>>. Message type 24 was described to me by
+Greene based on <<IEC-62287>>. Message type 24 was described to me by
<<Schwehr>>, whose Python toolkit decodes it. Message types 25-26 are
reported by <<Schwehr>>, who observes they were added in Version 3 of
<<ITU1371>>.
@@ -823,9 +823,9 @@ type 6:
|==============================================================================
| DAC |FID | Sub | Source | Status | Description
-| 1 | 23 | | <<NAV55>> | Proposed | Area notice
-| 1 | 28 | | <<NAV55>> | Proposed | Route info addressed
-| 1 | 30 | | <<NAV55>> | Proposed | Text description addressed
+| 1 | 23 | | <<IMO289>> | Standard | Area notice addressed
+| 1 | 28 | | <<IMO289>> | Standard | Route info addressed
+| 1 | 30 | | <<IMO289>> | Standard | Text description addressed
|==============================================================================
DAC/FID pairs are assigned separately per message type.
@@ -881,25 +881,25 @@ pairs in use for type 8:
[frame="topbot",options="header"]
|==============================================================================
| DAC |FID | Sub | Source | Status | Description
-| 1 | 11 | | <<IMO236>> | Deprecated | Meteorological/Hydrological Data
+| 1 | 11 | | <<IMO236>> | Deprecated/In Use | Meteorological/Hydrological Data
| 1 | 12 | | <<IMO236>> | Deprecated | Dangerous cargo indication
| 1 | 13 | | <<IMO236>> | Deprecated | Fairway closed
| 1 | 14 | | <<IMO236>> | Deprecated | Tidal window
| 1 | 15 | | <<IMO236>> | Deprecated | Extended ship and voyage
| 1 | 16 | | <<IMO236>> | In use | Num persons on board
| 1 | 17 | | <<IMO236>> | In use | VTS-Generated/Synthetic targets
-| 1 | 18 | | <<NAV55>> | Proposed | Clearance time to enter port
-| 1 | 19 | | <<NAV55>> | Proposed | Marine traffic signals
-| 1 | 20 | | <<NAV55>> | Proposed | Berthing data
-| 1 | 21 | | <<NAV55>> | Proposed | Weather obs from ship
-| 1 | 22 | | <<NAV55>> | Proposed | Area notice broadcast
-| 1 | 24 | | <<NAV55>> | Proposed | Extended ship and voyage
-| 1 | 25 | | <<NAV55>> | Proposed | Dangerous cargo
-| 1 | 26 | | <<NAV55>> | Proposed | Environmental
-| 1 | 27 | | <<NAV55>> | Proposed | Route info broadcast
-| 1 | 29 | | <<NAV55>> | Proposed | Text description broadcast
-| 1 | 31 | | <<NAV55>> | Proposed | Meteorological and Hydrological
-| 1 | 32 | | <<NAV55>> | Proposed | Tidal Window
+| 1 | 18 | | <<IMO289>> | Standard | Clearance time to enter port
+| 1 | 19 | | <<IMO289>> | Standard | Marine traffic signals
+| 1 | 20 | | <<IMO289>> | Standard | Berthing data
+| 1 | 21 | | <<IMO289>> | Standard | Weather obs from ship
+| 1 | 22 | | <<IMO289>> | In use | Area notice broadcast
+| 1 | 24 | | <<IMO289>> | Standard | Extended ship and voyage
+| 1 | 25 | | <<IMO289>> | Standard | Dangerous cargo
+| 1 | 26 | | <<IMO289>> | Standard | Environmental
+| 1 | 27 | | <<IMO289>> | Standard | Route info broadcast
+| 1 | 29 | | <<IMO289>> | Standard | Text description broadcast
+| 1 | 31 | | <<IMO289>> | In use | Meteorological and Hydrological
+| 1 | 32 | | <<IMO289>> | Standard | Tidal Window
| 316/366 | 1 | 2 | <<SEAWAY>> | In use | Wind
| 316/366 | 1 | 1 | <<SEAWAY>> | In use | Weather station
| 316/366 | 1 | 3 | <<SEAWAY>> | In use | Water level
@@ -918,7 +918,7 @@ on the transmitter location.
FID types 11-15 are being phased out and are not to be used after 1
Jan 2013. FID types 16 and 17 are in use; there are proposed updates
-for these in <<NAV55>>.
+for these in <<IMO289>>.
=== Type 9: Standard SAR Aircraft Position Report ===
@@ -1940,16 +1940,15 @@ Identification System]
- [[[NMEA]]] http://gpsd.berlios.de/standards/NMEA.txt[NMEA sentences]
-- [[[IMO236] http://www.imo.org/includes/blastData.asp/doc_id=4503/236.pdf[IMO
+- [[[IMO236]]] http://www.imo.org/includes/blastData.asp/doc_id=4503/236.pdf[IMO
Circular 236: Guidance on the Application of AIS Binary Messages (2004)]
- [[[SEAWAY]]] http://www.greatlakes-seaway.com/en/pdf/aisdata.pdf[St. Lawrence
Seaway AIS Data Messaging Formats and Specifications]
-- [[[NAV55]]]
- http://vislab-ccom.unh.edu/~schwehr/papers/2009-Nav55-CG-AIX-Report-Annex1.pdf[IMO
- NAV 55 Report Annex 1: Guidance on the Application of AIS Binary
- Messages (2009)]
+- [[[IMO289]]]
+ http://vislab-ccom.unh.edu/~schwehr/papers/2010-IMO-SN.1-Circ.289.pdf[IMO
+ SN.1/Circ.289 GUIDANCE ON THE USE OF AIS APPLICATION-SPECIFIC MESSAGES (2010)]
- [[[Schwehr]]] http://schwehr.org/blog/[Kurt Schwehr's weblog]
@@ -1958,7 +1957,7 @@ Identification System]
is described on page 26 of Annex C, Table C-1. Communicated by
Kurt Schwehr; I have not looked at it.
-- [[[IEC 62287]]] "Maritime Navigation and Radiocommunication
+- [[[IEC-62287]]] "Maritime Navigation and Radiocommunication
Equipment and Systems – Class B Shipborne Equipment of the
Automatic Identification System (AIS)" Communicated by Mike Greene;
I have not looked at it.
@@ -2067,3 +2066,5 @@ AIS Type 1, 2, and 3 messages,
Version 1.27 describes the sometime U.S. practice of omitting the leading
'3' region code from MMSIs.
+Version 1.28 merges updates from IMO 289, communicated by Kurt Schwehr.
+