Struct NmeaAisPositionReportClassAParser

Enables fields to be extracted from an AIS Position Report Class A payload in an NMEA sentence.

Namespace: Ais.Net
Assembly: Ais.Net.dll
Syntax
public struct NmeaAisPositionReportClassAParser

Constructors

| Improve this Doc View Source

NmeaAisPositionReportClassAParser(ReadOnlySpan<Byte>, UInt32)

Create an NmeaAisPositionReportClassAParser.

Declaration
public NmeaAisPositionReportClassAParser(ReadOnlySpan<byte> ascii, uint padding)
Parameters
Type Name Description
ReadOnlySpan<System.Byte> ascii

The ASCII-encoded message payload.
System.UInt32 padding

The number of bits of padding in this payload.

Properties

| Improve this Doc View Source

CourseOverGround10thDegrees

Gets the vessel's course over ground in units of one tenth of a degree.

Declaration
public uint CourseOverGround10thDegrees { get; }
Property Value
Type Description
System.UInt32
| Improve this Doc View Source

Latitude10000thMins

Gets the reported latitude, in units of 1/10000 arc minutes.

Declaration
public int Latitude10000thMins { get; }
Property Value
Type Description
System.Int32
| Improve this Doc View Source

Longitude10000thMins

Gets the reported longitude, in units of 1/10000 arc minutes.

Declaration
public int Longitude10000thMins { get; }
Property Value
Type Description
System.Int32
| Improve this Doc View Source

ManoeuvreIndicator

Gets a value indicating which kind of manoeuvre the vessel is engaged in, if any.

Declaration
public ManoeuvreIndicator ManoeuvreIndicator { get; }
Property Value
Type Description
ManoeuvreIndicator
| Improve this Doc View Source

MessageType

Gets the message type.

Declaration
public uint MessageType { get; }
Property Value
Type Description
System.UInt32
| Improve this Doc View Source

Mmsi

Gets the unique identifier assigned to the transponder that sent this message.

Declaration
public uint Mmsi { get; }
Property Value
Type Description
System.UInt32
| Improve this Doc View Source

NavigationStatus

Gets the vessel's navigation status.

Declaration
public NavigationStatus NavigationStatus { get; }
Property Value
Type Description
NavigationStatus
| Improve this Doc View Source

PositionAccuracy

Gets a value indicating whether the position information is of DGPS quality.

Declaration
public bool PositionAccuracy { get; }
Property Value
Type Description
System.Boolean
Remarks

If true, location information is DGPS-quality (less than 10m). If false, it is of unaugmented GNSS accuracy.

| Improve this Doc View Source

RadioSlotTimeout

Gets a value indicating how many more frames are to be sent before the radio system will need to select a new slot.

Declaration
public uint RadioSlotTimeout { get; }
Property Value
Type Description
System.UInt32
| Improve this Doc View Source

RadioSubMessage

Gets information from the radio diagnostic system, the interpretation of which is determined by the value of RadioSlotTimeout.

Declaration
public uint RadioSubMessage { get; }
Property Value
Type Description
System.UInt32
| Improve this Doc View Source

RadioSyncState

Gets a value indicating the time synchronization mechanism in use by the radio system.

Declaration
public RadioSyncState RadioSyncState { get; }
Property Value
Type Description
RadioSyncState
| Improve this Doc View Source

RaimFlag

Gets a value indicating whether Receiver Autonomous Integrity Monitoring is in use.

Declaration
public bool RaimFlag { get; }
Property Value
Type Description
System.Boolean
| Improve this Doc View Source

RateOfTurn

Gets the vessel's rate of turn.

Declaration
public int RateOfTurn { get; }
Property Value
Type Description
System.Int32
| Improve this Doc View Source

RepeatIndicator

Gets the number of times this message had been repeated on this broadcast.

Declaration
public uint RepeatIndicator { get; }
Property Value
Type Description
System.UInt32
Remarks

When stations retransmit messages with a view to enabling them to get around hills and other obstacles, this should be incremented. When it reaches 3, no more attempts should be made to retransmit it.

| Improve this Doc View Source

SpareBits145

Gets the value of the bits in this message for which no standard meaning is currently defined.

Declaration
public uint SpareBits145 { get; }
Property Value
Type Description
System.UInt32
| Improve this Doc View Source

SpeedOverGroundTenths

Gets the vessel's speed over ground, in tenths of a knot.

Declaration
public uint SpeedOverGroundTenths { get; }
Property Value
Type Description
System.UInt32
| Improve this Doc View Source

TimeStampSecond

Gets the seconds part of the (UTC) time at which the location was recorded.

Declaration
public uint TimeStampSecond { get; }
Property Value
Type Description
System.UInt32
| Improve this Doc View Source

TrueHeadingDegrees

Gets the vessel's heading in degrees.

Declaration
public uint TrueHeadingDegrees { get; }
Property Value
Type Description
System.UInt32