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| author | Eric S. Raymond <esr@thyrsus.com> | 2011-05-28 07:14:49 -0400 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2011-05-28 07:14:49 -0400 |
| commit | f80d8c997783daff6a9a71b9601f03a6b78d9ad9 (patch) | |
| tree | b7668eb331247d099418e22b952fb4a3abb9a7e8 /www | |
| parent | dd2763432e6aefa4b905d22b707bac1cbde2ce04 (diff) | |
| download | gpsd-f80d8c997783daff6a9a71b9601f03a6b78d9ad9.tar.gz | |
More use of array notation.
Diffstat (limited to 'www')
| -rw-r--r-- | www/AIVDM.txt | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/www/AIVDM.txt b/www/AIVDM.txt index 7a4e9cae..a22141dd 100644 --- a/www/AIVDM.txt +++ b/www/AIVDM.txt @@ -2027,22 +2027,23 @@ bits. This message is laid out identically in <<IMO236>> and |38-39 | 2 |Spare | |x|Not used |40-49 | 10 |DAC |dac |u|DAC = 001 |50-55 | 6 |FID |fid |u|FID = 17 -|56-57 | 2 |Identifier type |idtype |e|0 = id is the MMSI number, +|56 | | |targets |a|Synthetic targets array +|0-1 | 2 |Identifier type |idtype |e|0 = id is the MMSI number, 1 = id is the IMO number, 2 = id is the call sign, 3 = Other (default). -|58-99 | 42 |Target identifier |id |u|Target ID data. -|100-103 | 4 |Spare | |x|Not used -|104-127 | 24 |Latitude |lat |I3|Minutes * 0.001, +|2-43 | 42 |Target identifier |id |u|Target ID data. +|44-47 | 4 |Spare | |x|Not used +|48-71 | 24 |Latitude |lat |I3|Minutes * 0.001, 91000 = N/A (default), N positive, S negative. -|128-152 | 25 |Longitude |lon |I3|Minutes * 0.001, +|72-96 | 25 |Longitude |lon |I3|Minutes * 0.001, 181000 = N/A (default), E positive, W negative. -|153-161 | 9 |Course Over Ground |course |u|0-359 deg from true north, +|97-105 | 9 |Course Over Ground |course |u|0-359 deg from true north, 360 = N/A (default). -|162-167 | 6 |Time Stamp |second |u|Second of UTC timestamp. -|168-177 | 10 |Speed Over Ground |speed |u|0-254 in knots, 255 = N/A. +|106-111 | 6 |Time Stamp |second |u|Second of UTC timestamp. +|112-121 | 10 |Speed Over Ground |speed |u|0-254 in knots, 255 = N/A. |============================================================================== The interpretation of the target identifier field depends on the |