aismsg_21 Struct Reference

#include <vdm_parse.h>

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Detailed Description

AIS Message 21 - Aids-to-navigation Report.

Data Fields
char	msgid
	6 bits : MessageID (21)
char	repeat
	2 bits : Repeated
unsigned long	userid
	30 bits : UserID / MMSI
char	aton_type
	5 bits : Type of AtoN
char	name [21]
	120 bits : Name of AtoN in ASCII
char	pos_acc
	1 bit : Position Accuracy
long	longitude
	28 bits : Longitude in 1/10000 minutes
long	latitude
	27 bits : Latitude in 1/10000 minutes
int	dim_bow
	9 bits : GPS Ant. Distance from Bow
int	dim_stern
	9 bits : GPS Ant. Distance from Stern
char	dim_port
	6 bits : GPS Ant. Distance from Port
char	dim_starboard
	6 bits : GPS Ant. Distance from Starboard
char	pos_type
	4 bits : Type of Position Fixing Device
char	utc_sec
	6 bits : UTC Seconds
char	off_position
	1 bit : Off Position Flag
unsigned char	regional
	8 bits : Regional Bits
char	raim
	1 bit : RAIM Flag
char	virtual
	1 bit : Virtual/Pseudo AtoN Flag
char	assigned
	1 bit : Assigned Mode Flag
char	spare1
	1 bit : Spare
char	name_ext [16]
	0-84 bits : Extended name in ASCII
char	spare2
	0-6 bits : Spare

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Field Documentation

char aismsg_21::msgid

6 bits : MessageID (21)

char aismsg_21::repeat

2 bits : Repeated

unsigned long aismsg_21::userid

30 bits : UserID / MMSI

char aismsg_21::aton_type

5 bits : Type of AtoN

char aismsg_21::name[21]

120 bits : Name of AtoN in ASCII

char aismsg_21::pos_acc

1 bit : Position Accuracy

long aismsg_21::longitude

28 bits : Longitude in 1/10000 minutes

long aismsg_21::latitude

27 bits : Latitude in 1/10000 minutes

int aismsg_21::dim_bow

9 bits : GPS Ant. Distance from Bow

int aismsg_21::dim_stern

9 bits : GPS Ant. Distance from Stern

char aismsg_21::dim_port

6 bits : GPS Ant. Distance from Port

char aismsg_21::dim_starboard

6 bits : GPS Ant. Distance from Starboard

char aismsg_21::pos_type

4 bits : Type of Position Fixing Device

char aismsg_21::utc_sec

6 bits : UTC Seconds

char aismsg_21::off_position

1 bit : Off Position Flag

unsigned char aismsg_21::regional

8 bits : Regional Bits

char aismsg_21::raim

1 bit : RAIM Flag

char aismsg_21::virtual

1 bit : Virtual/Pseudo AtoN Flag

char aismsg_21::assigned

1 bit : Assigned Mode Flag

char aismsg_21::spare1

1 bit : Spare

char aismsg_21::name_ext[16]

0-84 bits : Extended name in ASCII

char aismsg_21::spare2

0-6 bits : Spare

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The documentation for this struct was generated from the following file:

• /Users/brianlane/projs/aisparser/c/src/vdm_parse.h

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