aismsg_1 Struct Reference

#include <vdm_parse.h>

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Detailed Description

AIS Message 1 - Position Report with SOTDMA.

Data Fields
char	msgid
	6 bits : Message ID (1)
char	repeat
	2 bits : Repeated
unsigned long	userid
	30 bits : UserID / MMSI
char	nav_status
	4 bits : Navigational Status
unsigned char	rot
	8 bits : Rate of Turn
int	sog
	10 bits : Speed Over Ground
char	pos_acc
	1 bit : Position Accuracy
long	longitude
	28 bits : Longitude in 1/10000 minute
long	latitude
	27 bits : Latitude in 1/10000 minute
int	cog
	12 bits : Course over Ground
int	true
	9 bits : True heading
char	utc_sec
	6 bits : UTC Seconds
char	regional
	4 bits : Regional bits
char	spare
	1 bit : Spare
char	raim
	1 bit : RAIM flag
char	sync_state
	2 bits : SOTDMA sync state
char	slot_timeout
	3 bits : SOTDMA Slot Timeout
int	sub_message
	14 bits : SOTDMA sub-message

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Field Documentation

char aismsg_1::msgid

6 bits : Message ID (1)

char aismsg_1::repeat

2 bits : Repeated

unsigned long aismsg_1::userid

30 bits : UserID / MMSI

char aismsg_1::nav_status

4 bits : Navigational Status

unsigned char aismsg_1::rot

8 bits : Rate of Turn

int aismsg_1::sog

10 bits : Speed Over Ground

char aismsg_1::pos_acc

1 bit : Position Accuracy

long aismsg_1::longitude

28 bits : Longitude in 1/10000 minute

long aismsg_1::latitude

27 bits : Latitude in 1/10000 minute

int aismsg_1::cog

12 bits : Course over Ground

int aismsg_1::true

9 bits : True heading

char aismsg_1::utc_sec

6 bits : UTC Seconds

char aismsg_1::regional

4 bits : Regional bits

char aismsg_1::spare

1 bit : Spare

char aismsg_1::raim

1 bit : RAIM flag

char aismsg_1::sync_state

2 bits : SOTDMA sync state

char aismsg_1::slot_timeout

3 bits : SOTDMA Slot Timeout

int aismsg_1::sub_message

14 bits : SOTDMA sub-message

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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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