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Auto-update doc from commit 04880831666624d5d659bf06b56e23eeb6c0a118
2025-01-16 04:51:54 +01:00
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<article class="content wrap" id="_content" data-uid="NmeaParser.Messages.Gns">
<h1 id="NmeaParser_Messages_Gns" data-uid="NmeaParser.Messages.Gns" class="text-break">Class Gns</h1>
<div class="markdown level0 summary"><p>Fixes data for single or combined (GPS, GLONASS, possible future satellite systems, and systems combining these) satellite navigation systems</p>
</div>
<div class="markdown level0 conceptual"></div>
<div class="inheritance">
<h5>Inheritance</h5>
<div class="level0"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
<div class="level1"><a class="xref" href="NmeaParser.Messages.NmeaMessage.html">NmeaMessage</a></div>
<div class="level2"><span class="xref">Gns</span></div>
</div>
<div class="implements">
<h5>Implements</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.iequatable-1">IEquatable</a>&lt;<a class="xref" href="NmeaParser.Messages.NmeaMessage.html">NmeaMessage</a>&gt;</div>
<div><a class="xref" href="NmeaParser.Messages.ITimestampedMessage.html">ITimestampedMessage</a></div>
<div><a class="xref" href="NmeaParser.Messages.IGeographicLocation.html">IGeographicLocation</a></div>
</div>
<div class="inheritedMembers">
<h5>Inherited Members</h5>
<div>
<a class="xref" href="NmeaParser.Messages.NmeaMessage.RegisterAssembly.html#NmeaParser_Messages_NmeaMessage_RegisterAssembly_System_Reflection_Assembly_System_Boolean_">NmeaMessage.RegisterAssembly(Assembly, bool)</a>
</div>
<div>
<a class="xref" href="NmeaParser.Messages.NmeaMessage.RegisterNmeaMessage.html#NmeaParser_Messages_NmeaMessage_RegisterNmeaMessage_System_Reflection_TypeInfo_System_String_System_Boolean_">NmeaMessage.RegisterNmeaMessage(TypeInfo, string, bool)</a>
</div>
<div>
<a class="xref" href="NmeaParser.Messages.NmeaMessage.Parse.html#NmeaParser_Messages_NmeaMessage_Parse_System_String_NmeaParser_IMultiSentenceMessage_System_Boolean_">NmeaMessage.Parse(string, IMultiSentenceMessage, bool)</a>
</div>
<div>
<a class="xref" href="NmeaParser.Messages.NmeaMessage.MessageParts.html#NmeaParser_Messages_NmeaMessage_MessageParts">NmeaMessage.MessageParts</a>
</div>
<div>
<a class="xref" href="NmeaParser.Messages.NmeaMessage.MessageType.html#NmeaParser_Messages_NmeaMessage_MessageType">NmeaMessage.MessageType</a>
</div>
<div>
<a class="xref" href="NmeaParser.Messages.NmeaMessage.TalkerId.html#NmeaParser_Messages_NmeaMessage_TalkerId">NmeaMessage.TalkerId</a>
</div>
<div>
<a class="xref" href="NmeaParser.Messages.NmeaMessage.IsProprietary.html#NmeaParser_Messages_NmeaMessage_IsProprietary">NmeaMessage.IsProprietary</a>
</div>
<div>
<a class="xref" href="NmeaParser.Messages.NmeaMessage.ToString.html#NmeaParser_Messages_NmeaMessage_ToString">NmeaMessage.ToString()</a>
</div>
<div>
<a class="xref" href="NmeaParser.Messages.NmeaMessage.Checksum.html#NmeaParser_Messages_NmeaMessage_Checksum">NmeaMessage.Checksum</a>
</div>
<div>
<a class="xref" href="NmeaParser.Messages.NmeaMessage.Equals.html#NmeaParser_Messages_NmeaMessage_Equals_NmeaParser_Messages_NmeaMessage_">NmeaMessage.Equals(NmeaMessage)</a>
</div>
<div>
<a class="xref" href="NmeaParser.Messages.NmeaMessage.Timestamp.html#NmeaParser_Messages_NmeaMessage_Timestamp">NmeaMessage.Timestamp</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object)</a>
</div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a>
</div>
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<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone">object.MemberwiseClone()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object, object)</a>
</div>
</div>
<h6><strong>Namespace</strong>: <a class="xref" href="NmeaParser.html">NmeaParser</a>.<a class="xref" href="NmeaParser.Messages.html">Messages</a></h6>
<h6><strong>Assembly</strong>: NmeaParser.dll</h6>
<h5 id="NmeaParser_Messages_Gns_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">[NmeaMessageType(&quot;--GNS&quot;)]
public class Gns : NmeaMessage, IEquatable&lt;NmeaMessage&gt;, ITimestampedMessage, IGeographicLocation</code></pre>
</div>
<h5 id="NmeaParser_Messages_Gns_remarks"><strong>Remarks</strong></h5>
<div class="markdown level0 remarks"><p>This sentence provides fix data for GPS, GLONASS, BDS, QZSS, NavIC (IRNSS) and possible future satellite systems, and systems combining these.
This sentence could be used with the talker identification of <a class="xref" href="NmeaParser.Talker.html#NmeaParser_Talker_GlobalPositioningSystem">GlobalPositioningSystem</a> for GPS, <a class="xref" href="NmeaParser.Talker.html#NmeaParser_Talker_GlonassReceiver">GlonassReceiver</a> for GLONASS,
<a class="xref" href="NmeaParser.Talker.html#NmeaParser_Talker_GalileoPositioningSystem">GalileoPositioningSystem</a> for Galileo, <a class="xref" href="NmeaParser.Talker.html#NmeaParser_Talker_BeiDouNavigationSatelliteSystem">BeiDouNavigationSatelliteSystem</a> for BDS, <a class="xref" href="NmeaParser.Talker.html#NmeaParser_Talker_QuasiZenithSatelliteSystem">QuasiZenithSatelliteSystem</a> for QZSS,
<a class="xref" href="NmeaParser.Talker.html#NmeaParser_Talker_IndianRegionalNavigationSatelliteSystem">IndianRegionalNavigationSatelliteSystem</a> for NavIC (IRNSS), and <a class="xref" href="NmeaParser.Talker.html#NmeaParser_Talker_GlobalNavigationSatelliteSystem">GlobalNavigationSatelliteSystem</a> for GNSS combined systems, as well as future identifiers.
</p>
<p>
If a GNSS receiver is capable simultanously of producing a position using combined satellite systems, as well as a position using only one of the satellite systems, then separate GNS sentences
with different <a class="xref" href="NmeaParser.Messages.NmeaMessage.TalkerId.html#NmeaParser_Messages_NmeaMessage_TalkerId">TalkerId</a> may be used to report the data calculated from the individual systems.
</p>
<p>
If a GNSS receiver is set up to use more than one satellite system, but for some reason one or more of the systems are not available, then it may continue to report the positions
using <code>GNGNS</code>, and use the <a class="xref" href="NmeaParser.Messages.Gns.GpsModeIndicator.html#NmeaParser_Messages_Gns_GpsModeIndicator">GpsModeIndicator</a> to show which satellit esystems are being used.
</p>
</div>
<h3 id="constructors">Constructors
</h3>
<table class="table table-bordered table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td id="NmeaParser_Messages_Gns__ctor_System_String_System_String___" data-uid="NmeaParser.Messages.Gns.#ctor(System.String,System.String[])">
<a class="xref" href="NmeaParser.Messages.Gns.-ctor.html#NmeaParser_Messages_Gns__ctor_System_String_System_String___">Gns(string, string[])</a>
</td>
<td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="NmeaParser.Messages.Gns.html">Gns</a> class.</p>
</td>
</tr>
</tbody>
</table>
<h3 id="properties">Properties
</h3>
<table class="table table-bordered table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td id="NmeaParser_Messages_Gns_BDSModeIndicator" data-uid="NmeaParser.Messages.Gns.BDSModeIndicator">
<a class="xref" href="NmeaParser.Messages.Gns.BDSModeIndicator.html#NmeaParser_Messages_Gns_BDSModeIndicator">BDSModeIndicator</a>
</td>
<td class="markdown level1 summary"><p>Mode indicator for Beidou (BDS)</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_DgpsStationId" data-uid="NmeaParser.Messages.Gns.DgpsStationId">
<a class="xref" href="NmeaParser.Messages.Gns.DgpsStationId.html#NmeaParser_Messages_Gns_DgpsStationId">DgpsStationId</a>
</td>
<td class="markdown level1 summary"><p>eference station ID1, range 0000-4095 - Null if talker ID is GN, additional GNS messages follow with GP and/or GL Reference station ID</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_FixTime" data-uid="NmeaParser.Messages.Gns.FixTime">
<a class="xref" href="NmeaParser.Messages.Gns.FixTime.html#NmeaParser_Messages_Gns_FixTime">FixTime</a>
</td>
<td class="markdown level1 summary"><p>Time of day fix was taken</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_GalileoModeIndicator" data-uid="NmeaParser.Messages.Gns.GalileoModeIndicator">
<a class="xref" href="NmeaParser.Messages.Gns.GalileoModeIndicator.html#NmeaParser_Messages_Gns_GalileoModeIndicator">GalileoModeIndicator</a>
</td>
<td class="markdown level1 summary"><p>Mode indicator for Galileo</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_GeoidalSeparation" data-uid="NmeaParser.Messages.Gns.GeoidalSeparation">
<a class="xref" href="NmeaParser.Messages.Gns.GeoidalSeparation.html#NmeaParser_Messages_Gns_GeoidalSeparation">GeoidalSeparation</a>
</td>
<td class="markdown level1 summary"><p>Geoidal separation in meters - the difference between the earth ellipsoid surface and mean-sea-level (geoid) surface defined by the reference datum used in the position solution<br>
'-' = mean-sea-level surface below ellipsoid.</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_GlonassModeIndicator" data-uid="NmeaParser.Messages.Gns.GlonassModeIndicator">
<a class="xref" href="NmeaParser.Messages.Gns.GlonassModeIndicator.html#NmeaParser_Messages_Gns_GlonassModeIndicator">GlonassModeIndicator</a>
</td>
<td class="markdown level1 summary"><p>Mode indicator for GLONASS</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_GpsModeIndicator" data-uid="NmeaParser.Messages.Gns.GpsModeIndicator">
<a class="xref" href="NmeaParser.Messages.Gns.GpsModeIndicator.html#NmeaParser_Messages_Gns_GpsModeIndicator">GpsModeIndicator</a>
</td>
<td class="markdown level1 summary"><p>Mode indicator for GPS</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_Hdop" data-uid="NmeaParser.Messages.Gns.Hdop">
<a class="xref" href="NmeaParser.Messages.Gns.Hdop.html#NmeaParser_Messages_Gns_Hdop">Hdop</a>
</td>
<td class="markdown level1 summary"><p>Horizontal Dilution of Precision (HDOP), calculated using all the satellites (GPS, GLONASS, and any future satellites) used in computing the solution reported in each GNS sentence.</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_Latitude" data-uid="NmeaParser.Messages.Gns.Latitude">
<a class="xref" href="NmeaParser.Messages.Gns.Latitude.html#NmeaParser_Messages_Gns_Latitude">Latitude</a>
</td>
<td class="markdown level1 summary"><p>Latitude</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_Longitude" data-uid="NmeaParser.Messages.Gns.Longitude">
<a class="xref" href="NmeaParser.Messages.Gns.Longitude.html#NmeaParser_Messages_Gns_Longitude">Longitude</a>
</td>
<td class="markdown level1 summary"><p>Longitude</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_ModeIndicators" data-uid="NmeaParser.Messages.Gns.ModeIndicators">
<a class="xref" href="NmeaParser.Messages.Gns.ModeIndicators.html#NmeaParser_Messages_Gns_ModeIndicators">ModeIndicators</a>
</td>
<td class="markdown level1 summary"><p>Mode indicator for future constallations</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_NavICModeIndicator" data-uid="NmeaParser.Messages.Gns.NavICModeIndicator">
<a class="xref" href="NmeaParser.Messages.Gns.NavICModeIndicator.html#NmeaParser_Messages_Gns_NavICModeIndicator">NavICModeIndicator</a>
</td>
<td class="markdown level1 summary"><p>Mode indicator for NavIC (IRNSS)</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_NumberOfSatellites" data-uid="NmeaParser.Messages.Gns.NumberOfSatellites">
<a class="xref" href="NmeaParser.Messages.Gns.NumberOfSatellites.html#NmeaParser_Messages_Gns_NumberOfSatellites">NumberOfSatellites</a>
</td>
<td class="markdown level1 summary"><p>Number of satellites (SVs) in use</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_OrthometricHeight" data-uid="NmeaParser.Messages.Gns.OrthometricHeight">
<a class="xref" href="NmeaParser.Messages.Gns.OrthometricHeight.html#NmeaParser_Messages_Gns_OrthometricHeight">OrthometricHeight</a>
</td>
<td class="markdown level1 summary"><p>Orthometric height in meters (MSL reference)</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_QZSSModeIndicator" data-uid="NmeaParser.Messages.Gns.QZSSModeIndicator">
<a class="xref" href="NmeaParser.Messages.Gns.QZSSModeIndicator.html#NmeaParser_Messages_Gns_QZSSModeIndicator">QZSSModeIndicator</a>
</td>
<td class="markdown level1 summary"><p>Mode indicator for QZSS</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_Status" data-uid="NmeaParser.Messages.Gns.Status">
<a class="xref" href="NmeaParser.Messages.Gns.Status.html#NmeaParser_Messages_Gns_Status">Status</a>
</td>
<td class="markdown level1 summary"><p>Navigational status</p>
</td>
</tr>
<tr>
<td id="NmeaParser_Messages_Gns_TimeSinceLastDgpsUpdate" data-uid="NmeaParser.Messages.Gns.TimeSinceLastDgpsUpdate">
<a class="xref" href="NmeaParser.Messages.Gns.TimeSinceLastDgpsUpdate.html#NmeaParser_Messages_Gns_TimeSinceLastDgpsUpdate">TimeSinceLastDgpsUpdate</a>
</td>
<td class="markdown level1 summary"><p>Age of differential data - <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.timespan.maxvalue">MaxValue</a> if talker ID is GN, additional GNS messages follow with GP and/or GL Age of differential data</p>
</td>
</tr>
</tbody>
</table>
<h3 id="appliesTo">Applies</h3>
<div class="appliesto">
<div>
<table>
<thead><th>Target</th><th>Versions</th></thead>
<tbody>
<tr><td><b>.NET Standard 2.0</b></td><td>main, v3.0, v2.2, v2.1, v2.0</td></tr>
<tr><td><b>.NET</b></td><td>main, v3.0</td></tr>
<tr><td><b>.NET Windows</b></td><td>main, v3.0</td></tr>
<tr><td><b>.NET Android</b></td><td>main, v3.0</td></tr>
<tr><td><b>.NET iOS</b></td><td>main, v3.0</td></tr>
<tr><td><b>.NET Framework</b></td><td>main, v3.0, v2.2, v2.1, v2.0</td></tr>
<tr><td><b>UWP</b></td><td>main, v3.0, v2.2, v2.1, v2.0</td></tr>
<tr><td><b>Xamarin.Android</b></td><td>v2.2, v2.1, v2.0</td></tr>
<tr><td><b>Xamarin.iOS</b></td><td>v2.2, v2.1, v2.0</td></tr>
</tbody>
</table>
</div>
</div>
</article>
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