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# Envelope/volume

This message is used by ARIADNA vessels in order to send the envelope/volume of own vessels.

Registrant:
GMV
Message number:
8
DAC:
224
FI:
50
State:
draft
Used by:
Number of slots (max):
5
Permitted as from:
01/01/2013
Technical point of contact:
Details:

Parameter Number of bits Description
Message ID 6 Identifier for Message 8
Repeat Indicator 2 Used by the repeater to indicate how many times a message has been repeated. 0=default; 3= do not repeat any more
Source ID 30 MMSI number of source station
Spare 2 Not used. Should be zero
DAC 10 International DAC. (DAC=100=1100100b) should be 224 or 225
FI 6 Function identifier. (FI=100=1100100b) heading says 50
Hour Generation 5
Minute Generation 6
Second Generation 6
Geometry Aft 2 Geometry form of the aft section. See Table Geometry.
Geometry Bow 2 Geometry form of the bow section. See Table Geometry
Geometry Curve 2 Geometry during direction change. See Table Geometry.
Geometry 3D Above WL 2 Geometry form 3D above water level.
Geometry 3D Under WL 2 Geometry form 3D under water level.
Longitude Point 1 28 Longitude in 1/10000min. If rectangle is the geometry used for Aft: Point 1= Point Aft. If the envelope using ELLIPSE as whole envelope Point 1=Point Aft.

Latitude Point 1 27 Latitude in 1/10000min
Longitude Point 2* 28 Longitude in 1/10000min. Point 2= Point Aft
Latitude Point 2* 27 Latitude in 1/10000min
Longitude Point 3 28 Longitude in 1/10000min. If rectangle is the geometry used for Aft: Point 3= Point Aft = Point Curve. If the envelope using ELLIPSE as whole envelope Point 3=Point Aft 
Latitude Point 3 27 Latitude in 1/10000min
Longitude Point 4* 28 Longitude in 1/10000min. Point 4= Point Aft
Latitude Point 4* 27 Latitude in 1/10000min
Longitude Point 5 28 Longitude in 1/10000min. If rectangle is the geometry used for Aft:  Point 5= Point Aft = Point Curve.  If the envelope using ELLIPSE as whole envelope Point 5=Point Aft 
Latitude Point 5 27 Latitude in 1/10000min
Longitude Point 6 28 Longitude in 1/10000min. Point 6= Point Curve = Point Bow
Latitude Point 6 27 Latitude in 1/10000min
Longitude Point 7 28 Longitude in 1/10000min. Point 7= Point Curve
Latitude Point 7 27 Latitude in 1/10000min
Longitude Point 8 28 Longitude in 1/10000min. Point 8= Point Curve = Point Bow 
Latitude Point 8 27 Latitude in 1/10000min
Longitude Point 9 28 Longitude in 1/10000min. If triangle is the geometry used for bow: Point 9=Point Bow . If Ellipse is the geometry used for bow: Point 9=Point Bow .
Latitude Point 9 27 Latitude in 1/10000min
Longitude Point 10 28 Longitude in 1/10000min. If rectangle is the geometry used for 3DaboveWL and 3DunderWL: Point 10=Point 3DaboveWL = Point 3DunderWL.  If Ellipse is the geometry used for 3DaboveWL and 3DunderWL: Point 10=Point 3DaboveWL = Point 3DunderWL.
Latitude Point 10 27 Latitude in 1/10000min
Altitude Point 10 17 Altitude (+/-)40m * 1000. Resolution: 0.001.
Longitude Point 11 28 Longitude in 1/10000min. If rectangle is the geometry used for 3DaboveWL: Point 11= Point 3DaboveWL. If Ellipse is the geometry used for 3DaboveWL: Point 11= Point 3DaboveWL.
Latitude Point 11 27 Latitude in 1/10000min
Altitude Point 11 17 Altitude (+/-)40m * 1000. Resolution: 0.001.
Longitude Point 12** 28 Longitude in 1/10000min. Point 12= Point 3DaboveWL.
Latitude Point 12** 27 Latitude in 1/10000min
Altitude Point 12** 17 Altitude (+/-)40m * 1000. Resolution: 0.001.
Longitude Point 13 28 Longitude in 1/10000min. If rectangle is the geometry used for 3DaboveWL and 3DunderWL: Point 13=Point 3DaboveWL = Point 3DunderWL.  If Ellipse is the geometry used for 3DaboveWL and 3DunderWL: Point 13=Point 3DaboveWL = Point 3DunderWL.
Latitude Point 13 27 Latitude in 1/10000min
Altitude Point 13 17 Altitude (+/-)40m * 1000. Resolution: 0.001.
Longitude Point 14 28 Longitude in 1/10000min. If triangle is the geometry used for 3DunderWL: Point 14=Point 3DunderWL.  If Ellipse is the geometry used for 3D under WL: Point 13=Point 3DunderWL.
Latitude Point 14 27 Latitude in 1/10000min
Altitude Point 14 17 Altitude (+/-)40m * 1000. Resolution: 0.001.
Total Bits 949 Occupies 5 slots

*Only if rectangle is the geometry used for aft. If rectangle is not the geometry used for aft, these parameters will be omitted.
** Only if rectangle is the geometry used for 3DaboveWL. If rectangle is not the geometry used for 3DaboveWL, these parameters will be omitted.

Table Geometry

 Type Code Rectangle 0 Triangle 1 Ellipse 2 Circlesector 3
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