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authorChristian Gagneraud <cgagneraud@techworks.ie>2012-06-05 14:08:19 +0100
committerChristian Gagneraud <chris@techworks.ie>2012-06-05 15:58:02 +0100
commit0e8d0f6367a25c773021b9b3a73b7ce8cb953af7 (patch)
tree66b8d2e8477831cb804ae8262bb6860299bb1999 /www/AIVDM.txt
parent452520a8efe303ff8abbaa8b5d4eccc01a478991 (diff)
downloadgpsd-0e8d0f6367a25c773021b9b3a73b7ce8cb953af7.tar.gz
[AIS] Met/Hydro: fixes and improvements
Diffstat (limited to 'www/AIVDM.txt')
-rw-r--r--www/AIVDM.txt46
1 files changed, 24 insertions, 22 deletions
diff --git a/www/AIVDM.txt b/www/AIVDM.txt
index 76f0f75c..a58b7322 100644
--- a/www/AIVDM.txt
+++ b/www/AIVDM.txt
@@ -1853,7 +1853,7 @@ update for it in <<IMO289>>.
Breakdowns of selected Message 8 subtypes from <<IMO289>> follow.
(These are not yet implemented by GPSD.)
-==== Meteorological and Hydrological Data (IMO236) ===
+==== Meteorological and Hydrological Data (IMO236) ====
A message 8 subtype. DAC = 001 FID = 11. Fixed length, 352 bits.
This is in use and described in <<IMO236>>, but has been deprecated by
@@ -1974,7 +1974,7 @@ WMO 306 Code table 4.201 specifies the following precipitatiuon type values:
.Precipitation Types
[width="50%",frame="topbot",options="header"]
|===================================
-|Code |Position Fix Type
+|Code |Precipitation Type
|0 |Reserved
|1 |Rain
|2 |Thunderstorm
@@ -3207,90 +3207,92 @@ decimeters), and (c) end padding changes from 6 to 10 bits.
|81-104 | 24 |Latitude |lat |I3|Unit = minutes * 0.001,
N positive, S negative,
91000 = N/A (default).
-|105-105 | 1 |Fix quality |accuracy |u|As in Common Navigation Block
+|105-105 | 1 |Fix quality |accuracy |b|As in Common Navigation Block
|106-110 | 5 |Day |day |u|1-31, 0=N/A (default)
|111-115 | 5 |Hour |hour |u|0-23, 24=N/A (default)
|116-121 | 6 |Minute |minute |u|0-59, 60=N/A (default)
|122-128 | 7 |Average Wind Speed |wspeed |u|10-min avg wind speed: knots,
126 = wind >= 126 knots,
- 17 = N/A (default).
+ 127 = N/A (default).
|129-135 | 7 |Gust Speed |wgust |u|10-min max wind speed: knots,
126 = wind >= 126 knots,
- 17 = N/A (default).
+ 127 = N/A (default).
|136-144 | 9 |Wind Direction |wdir |u|0-359, true bearing,
360 = N/A (default).
|145-153 | 9 |Wind Gust Direction|wgustdir |u|0-359, true bearing,
360 = N/A (default).
-|154-164 | 11 |Air Temperature |airtemp |U1|Dry bulb temp: units 0.1C,
+|154-164 | 11 |Air Temperature |airtemp |I1|Dry bulb temp: units 0.1C,
-60.0 to +60.0,
-1024 = N/A (default).
|165-171 | 7 |Relative Humidity |humidity |u|0-100%: units of 1%,
101 = N/A (default).
-|172-181 | 10 |Dew Point |dewpoint |U1|-20.0 to +50.0: units 0.1C,
+|172-181 | 10 |Dew Point |dewpoint |I1|-20.0 to +50.0: units 0.1C,
501 = N/A (default).
|182-190 | 9 |Air Pressure |pressure |u|800-1200hPa, 1hPa,
0 = pressure <= 799hPa,
402 = pressure >= 1201 hPa,
- 403 = N/A (default).
+ 511 = N/A (default).
|191-192 | 2 |Pressure Tendency |pressuretend|e|0 = steady,
1 = decreasing,
2 = increasing,
- 3 - N/A (default).
+ 3 = N/A (default).
|193-193 | 7 |Max. visibility |visgreater |b|Visibility greater than.
|194-200 | 8 |Horiz. Visibility |visibility |U1|Units are 0.1 nautical miles,
127 = N/A (default).
|201-212 | 12 |Water Level |waterlevel |U2|-10.0 to +30.0 in 0.01m,
-10.0m after scaling,
- 40001 = N/A (default).
+ 4001 = N/A (default).
|213-214 | 2 |Water Level Trend |leveltrend |e|0 = steady,
1 = decreasing,
2 = increasing,
- 3 - N/A (default).
+ 3 = N/A (default).
|215-222 | 8 |Surface Current Speed |cspeed |U1|0.0-25.0: units 0.1 knot,
251 = speed >= 25.1 knots,
- 255 N/A (default).
+ 255 = N/A (default).
|223-231 | 9 |Surface Current Direction |cdir |u|0-359: deg. fom true north,
360 = N/A (default).
|232-239 | 8 |Current Speed #2 |cspeed2 |U1|0.0-25.0 knots:
units 0.1 knot,
251 = speed >= 25.1 knots,
- 255 N/A (default).
+ 255 = N/A (default).
|240-248 | 9 |Current Direction #2 |cdir2 |u|0-359: true bearing,
360 = N/A (default).
|249-253 | 5 |Measurement Depth #2 |cdepth2 |U1|0-30m down: units 0.1m,
31 = N/A (default).
|254-261 | 8 |Current Speed #3 |cspeed3 |U1|0.0-25.0 knots: units 0.1 knot,
251 = speed >= 25.1 knots,
- 255 N/A (default).
+ 255 = N/A (default).
|262-270 | 9 |Current Direction #3 |cdir3 |u|0-359: true bearing,
360 = N/A (default).
|271-275 | 5 |Measurement Depth #3 |cdepth3 |u|0-30m down: units 0.1m,
31 = N/A (default).
|276-283 | 8 |Wave Height |waveheight|U1|Height 0-25m: units 0.1m,
251 = height >= 25.1m,
- 255 N/A (default).
+ 255 = N/A (default).
|284-289 | 6 |Wave Period |waveperiod|u|Seconds, 0-60, units 1s,
63 = N/A (default).
|290-298 | 9 |Wave Direction |wavedir |u|0-359: true bearing,
360 = N/A (default).
|299-306 | 8 |Swell Height |swellheight|U1|0-25m: units 0.1m,
251 = height >= 25.1m,
- 255 N/A (default).
+ 255 = N/A (default).
|307-312 | 6 |Swell Period |swellperiod|u|0-60, units 1s
360 = N/A (default)
|313-321 | 9 |Swell Direction |swelldir |u|0-359: true bearing,
360 = N/A (default)
|322-325 | 4 |Sea State |seastate |e|See "Beaufort scale"
-|326-335 | 10 |Water Temperature |watertemp |U1|-10.0 to 50.0 C:
+|326-335 | 10 |Water Temperature |watertemp |I1|-10.0 to 50.0 C:
units 0.1 deg,
- 601 = N/A (default)
- Otherwise -10m after scaling
-|336-338 | 3 |Precipitation |precipitation |u|preciptype
+ 501 = N/A (default)
+|336-338 | 3 |Precipitation |preciptype |e|See "Precipitation type"
|339-347 | 9 |Salinity |salinity |U1|0.0-50.0%: units of 0.1%
501 = salinity >= 50.1%
510 = N/A (default)
- 511 - sensor not available
-|348-349 | 2 |Ice |ice |b|Yes/No
+ 511 = sensor not available
+|348-349 | 2 |Ice |ice |u| 0 = No
+ 1 = Yes
+ 2 = (reserved for future use)
+ 3 = not available = default
|350-359 | 10 |Spare | |x|Not used
|==============================================================================