<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-04 -124 00:30:00.000"
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="15.0">
<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" >
2026.05.04 (124) 00:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
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</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
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<URSI ID="03" Val="3.198" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.954" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.425" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="285.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="285.000" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
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<URSI ID="89" Val="338.458" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
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<URSI ID="93" Val="268.906" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.762" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="47.905" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.187" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="25.452" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="45.880" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.450" Name="B1" QL="/" DL="/" />
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<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="45">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
285.000 287.500 287.500 287.500 290.000 290.000 290.000 292.500 292.500 295.000 295.000 297.500 297.500 300.000 300.000 302.500 302.500 305.000 305.000 307.500 310.000 310.000 310.000 312.500 315.000 315.000 320.000 322.500 322.500 327.500 330.000 330.000 332.472 335.269 338.458 342.128 346.398 351.427 357.438 364.749 373.833 385.424 400.726 421.860 452.948
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 66 72 84 81 84 84 99 99 96 99 96 99 93 99 93 96 93 96 96 93 84 81 84 87 87 84 81 84 78 81 69 63 60 60 72 75 87 87 102 102 96 96 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="612">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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