diff options
Diffstat (limited to 'www/AIVDM.txt')
| -rw-r--r-- | www/AIVDM.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/www/AIVDM.txt b/www/AIVDM.txt index 8660c826..0f0f5403 100644 --- a/www/AIVDM.txt +++ b/www/AIVDM.txt @@ -441,7 +441,7 @@ location transmission in military exercises. It is also used for unencrypted structured extension messages by local authorities such as the St. Lawrence Seaway and PAWSS. This document describes all of the Class 8 special message formats approved for use in <<IMO236>> and -<<IMO289>> except Area Report (FID = 22) and Environmental (FID=26). +<<IMO289>> except Area Notices (FID = 22,23) and Environmental (FID=26). Classes 12 and 14 are used for safety-related text messaging. @@ -2031,7 +2031,7 @@ Information (addressed)" message (DAC=1, FID=28). ==== Text description (broadcast) ==== -A message 8 subtype. DAC = 001 FID = 29. Variable length: 72-1034 bits. +A message 8 subtype. DAC = 001 FID = 29. Variable length: 72-1032 bits. Intended to be used to associate a text annotation with another message via the Message Linkage ID field. @@ -2045,7 +2045,7 @@ via the Message Linkage ID field. |38-39 | 2 |Spare | |Not used |40-55 | 16 |DAC/FID | |DAC = 001 FID = 29 |56-65 | 10 |Message Linkage ID |linkage |Unsigned integer -|66-? | 6-930 |Description |description |String +|66-? | 6-966 |Description |description |String |============================================================================== There is an equivalent subtype of message 6 that is an addressed description. |