<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-10 -130 21:55:00.000"
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: 90% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.10 (130) 21:55:00</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">
FF202613005102155001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.975" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.509" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.946" 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="4.300" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="235.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="235.000" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.750" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="291.009" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.384" 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="/" />
<URSI ID="92" Val="257.916" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="232.369" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.510" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="36.502" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.621" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.687" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="33.220" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.010" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="42">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225 3.25 3.275 3.3 3.325 3.35 3.375 3.4 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
235.000 235.000 237.500 237.500 237.500 240.000 242.500 242.500 245.000 245.000 247.500 247.500 250.000 252.500 252.500 255.000 257.500 257.500 260.000 262.500 262.500 265.000 267.500 270.000 272.500 275.000 277.500 279.183 281.045 283.116 285.434 288.045 291.009 294.403 298.327 302.917 308.356 314.906 322.944 333.045 346.117 363.699
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
45 48 48 48 45 75 75 78 75 78 78 81 78 75 78 87 84 90 90 72 78 66 63 60 60 57 57 60 63 63 66 51 51 45 42 54 57 69 69 93 90 60
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 -3.125 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="478">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.384" PeakHeight="110.0" Num="3" Error="0.0">
-19.764 2.883 -0.192
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.384" EndFrequency="3.975" PeakHeight="257.916" Num="5" zHalfNm="232.369" Error="2.036">
-64.118 6.873 -4.941 2.52 -0.75
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.017" EndDistance="6480.001" A="-6.4708464E11" B="1.99717488E8" C="-15410.152" Error="0.00269"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6509.167" A="-2.24769114E11" B="6.9373184E7" C="-5352.7217" Error="0.00243"/>
<QuasiParabolic ID="2" StartDistance="6509.167" EndDistance="6538.333" A="0.0" B="277.61017" C="-0.0026710385" Error="0.0053"/>
<QuasiParabolic ID="3" StartDistance="6538.333" EndDistance="6540.0" A="-1.32243194E12" B="4.04332256E8" C="-30906.0" Error="0.0154"/>
<QuasiParabolic ID="4" StartDistance="6540.0" EndDistance="6547.0" A="2.20185969E11" B="-6.7416336E7" C="5160.405" Error="0.0199"/>
<QuasiParabolic ID="5" StartDistance="6547.0" EndDistance="6566.0" A="3.569995E10" B="-1.1058911E7" C="856.3402" Error="0.0114"/>
<QuasiParabolic ID="6" StartDistance="6566.0" EndDistance="6572.0" A="6.0871415E12" B="-1.85432461E9" C="141220.77" Error="0.0162"/>
<QuasiParabolic ID="7" StartDistance="6572.0" EndDistance="6578.0" A="5.1374535E12" B="-1.56531443E9" C="119232.77" Error="0.00599"/>
<QuasiParabolic ID="8" StartDistance="6578.0" EndDistance="6588.0" A="1.10342795E13" B="-3.35820749E9" C="255512.28" Error="0.0167"/>
<QuasiParabolic ID="9" StartDistance="6588.0" EndDistance="6599.0" A="2.9691564E13" B="-9.0222285E9" C="685386.4" Error="0.00356"/>
<QuasiParabolic ID="10" StartDistance="6599.0" EndDistance="6604.0" A="9.2021163E12" B="-2.81236403E9" C="214870.8" Error="0.00207"/>
<QuasiParabolic ID="11" StartDistance="6604.0" EndDistance="6627.916" A="-2.33649765E13" B="7.0504745E9" C="-531861.4" Error="0.00191"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="87.5" Depth="0.184"/>
<TopsideChapman PeakHeight="257.916" PeakDensity="196037.53" PeakScaleHeight="19.687" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
