<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-19 -139 10:15:00.000"
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" >
2026.05.19 (139) 10:15:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" 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" >
<URSI ID="00" Val="3.925" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.594" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.108" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.250" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="232.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="232.500" 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="278.741" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="1.304" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
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<URSI ID="93" Val="184.956" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.523" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="58.698" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.752" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="32.300" Name="scale F2" Units="km" QL="/" DL="/" />
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<URSI ID="D1" Val="2.110" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="38">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 235.000 235.000 237.500 237.500 237.500 240.000 240.000 242.500 242.500 242.500 245.000 247.500 247.500 250.000 252.500 252.500 252.500 255.000 257.500 260.000 262.500 262.500 265.000 267.144 269.538 272.227 275.270 278.741 282.739 287.392 292.876 299.435 307.421 317.355 330.050 346.840 370.091
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<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 69 69 69 72 72 72 72 69 72 72 96 93 84 84 69 72 84 84 72 72 60 60 57 54 66 69 66 66 54 51 60 57 69 69 69 66 66
</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="645">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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