<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-21 -111 21:50:00.000"
URSICode="SMK29"
StationName="Santa Maria"
GeoLatitude="-29.69"
GeoLongitude="307.81"
Source="Ionosonde"
SourceType="DPS-4D"
ScalerType="auto">
<SystemInfo UMLStationID="129">
<FrequencyStepping StartFrequency="2.0" StopFrequency="20.0">
<LinearStepping Step="0.025" Units="MHz" />
</FrequencyStepping>
<RangeStepping StartRange="80.0" StopRange="1360.0" >
<LinearStepping Step="2.5" Units="km" />
</RangeStepping>
<AutoScaler Name="Artist5" Version="500200" ArtistFlags="2 2 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.21 (111) 21:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.20" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
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</DigisondePreface>
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<URSI ID="03" Val="3.713" Name="M(D)" QL="/" DL="/" />
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<URSI ID="80" Val="2.825" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.050" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="90.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="90.000" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="90" Val="110.000" Name="hmE" Units="km" QL="/" DL="/" />
<URSI ID="83" Val="20.000" Name="yE" Units="km" QL="/" DL="/" />
<URSI ID="86" Val="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
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<Modeled Name="foEp" Val="0.503" Units="MHz" ModelName="CCIR-79" />
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<Modeled Name="foF2p" Val="6.726" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
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<URSI ID="71" Val="3.439" Name="TEC" Units="TECU" QL="/" DL="/" />
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<URSI ID="D1" Val="1.930" Name="B1" QL="/" DL="/" />
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<Trace Type="standard" Layer="F2" Polarization="O" Num="82">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</Trace>
</TraceList>
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<Tabulated Num="569">
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