<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-09 -129 23:50:00.000"
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="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: 95% PACIFIC flags: Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.09 (129) 23:50:00</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">
FF202612905092350001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.225" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.353" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.166" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.575" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="250.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="250.000" 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="/" />
<URSI ID="88" Val="3.975" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="312.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="279.779" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="247.405" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.985" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="46.007" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.302" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="25.125" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="37.180" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.350" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="53">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
250.000 252.500 252.500 252.500 255.000 255.000 255.000 257.500 257.500 257.500 260.000 260.000 262.500 262.500 262.500 265.000 265.000 265.000 267.500 270.000 270.000 272.500 272.500 275.000 275.000 277.500 280.000 280.000 282.500 282.500 285.000 287.500 290.000 290.000 292.500 295.000 297.500 300.000 300.000 307.500 310.000 310.000 312.500 317.500 320.000 324.122 329.245 335.782 344.412 356.332 373.869 402.215 455.813
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 57 60 60 69 72 84 84 87 87 87 87 81 84 96 96 63 63 102 99 99 93 72 72 75 72 69 72 72 75 87 87 75 75 63 63 87 90 90 84 57 63 90 87 84 84 96 96 96 96 93 93 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="587">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.354" PeakHeight="110.0" Num="3" Error="0.0">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="4.225" PeakHeight="279.779" Num="5" zHalfNm="247.405" Error="2.203">
-80.101 14.823 -10.041 4.872 -1.332
</ShiftedChebyshev>
</ShiftedChebyshevList>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="98.0" Depth="0.154"/>
<TopsideChapman PeakHeight="279.779" PeakDensity="221471.78" PeakScaleHeight="25.125" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
