aismsg_23 Struct Reference

#include <vdm_parse.h>

---

Detailed Description

AIS Message 23 - Group Assignment Command.

The geographic area is defined by 2 corners, stored in the NE and SW positions.

Data Fields
char	msgid
	6 bits : MessageID (23)
char	repeat
	2 bits : Repeated
unsigned long	userid
	30 bits : UserID / MMSI
char	spare1
	2 bits : Spare
long	NE_longitude
	18 bits : Longitude in 1/1000 minutes
long	NE_latitude
	17 bits : Latitude in 1/1000 minutes
long	SW_longitude
	18 bits : Longitude in 1/1000 minutes
long	SW_latitude
	17 bits : Latitude in 1/1000 minutes
char	station_type
	4 bits : Station Type
unsigned char	ship_type
	8 bits : Type of Ship and Cargo
unsigned long	spare2
	22 bits : Spare
char	txrx_mode
	2 bits : TX/RX Mode
char	report_interval
	4 bits : Reporting Interval from IEC 62287 Table 17
char	quiet_time
	4 bits : Quiet Time in Minutes
char	spare3
	6 bits : Spare

---

Field Documentation

char aismsg_23::msgid

6 bits : MessageID (23)

char aismsg_23::repeat

2 bits : Repeated

unsigned long aismsg_23::userid

30 bits : UserID / MMSI

char aismsg_23::spare1

2 bits : Spare

long aismsg_23::NE_longitude

18 bits : Longitude in 1/1000 minutes

long aismsg_23::NE_latitude

17 bits : Latitude in 1/1000 minutes

long aismsg_23::SW_longitude

18 bits : Longitude in 1/1000 minutes

long aismsg_23::SW_latitude

17 bits : Latitude in 1/1000 minutes

char aismsg_23::station_type

4 bits : Station Type

unsigned char aismsg_23::ship_type

8 bits : Type of Ship and Cargo

unsigned long aismsg_23::spare2

22 bits : Spare

char aismsg_23::txrx_mode

2 bits : TX/RX Mode

char aismsg_23::report_interval

4 bits : Reporting Interval from IEC 62287 Table 17

char aismsg_23::quiet_time

4 bits : Quiet Time in Minutes

char aismsg_23::spare3

6 bits : Spare

---

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

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

---