Struct NmeaAisLongRangeAisBroadcastParser

Enables fields to be extracted from a Long Range AIS Broadcast (Message Type 27) payload in an NMEA sentence.

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

Constructors

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NmeaAisLongRangeAisBroadcastParser(ReadOnlySpan<Byte>, UInt32)

Create an NmeaAisPositionReportClassAParser.

Declaration
public NmeaAisLongRangeAisBroadcastParser(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

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CourseOverGroundDegrees

Gets the vessel's course over ground in degrees.

Declaration
public uint CourseOverGroundDegrees { get; }
Property Value
Type Description
System.UInt32
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Latitude10thMins

Gets the reported latitude, in units of 1/10 arc minutes.

Declaration
public int Latitude10thMins { get; }
Property Value
Type Description
System.Int32
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Longitude10thMins

Gets the reported longitude, in units of 1/10 arc minutes.

Declaration
public int Longitude10thMins { get; }
Property Value
Type Description
System.Int32
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MessageType

Gets the message type.

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

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

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

Gets the vessel's navigation status.

Declaration
public NavigationStatus NavigationStatus { get; }
Property Value
Type Description
NavigationStatus
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NotGnssPosition

Gets a value indicating whether position is GNSS. False if this is "current GNSS position", true if "not GNSS position".

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

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RaimFlag

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

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

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Spare95

Gets a value indicating whether the spare bit at offset 95 is set.

Declaration
public bool Spare95 { get; }
Property Value
Type Description
System.Boolean
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SpeedOverGroundTenths

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

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