<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-10 -069 20:55:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 60% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.10 (069) 20:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202606903102055001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="8.550" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.833" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="32.769" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="6.350" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="6.350" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="8.825" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="250.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="250.500" 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="88" Val="8.550" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="275.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="2.056" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="6.500" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="6.500" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="213.516" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="178.693" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="10.271" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="44.701" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="9.431" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.809" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="57.400" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.160" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="89">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
6.35 6.375 6.4 6.425 6.45 6.475 6.5 6.525 6.55 6.575 6.6 6.625 6.65 6.675 6.7 6.725 6.75 6.775 6.8 6.825 6.85 6.875 6.9 6.925 6.95 6.975 7.0 7.025 7.05 7.075 7.1 7.125 7.15 7.175 7.2 7.225 7.25 7.275 7.3 7.325 7.35 7.375 7.4 7.425 7.45 7.475 7.5 7.525 7.55 7.575 7.6 7.625 7.65 7.675 7.7 7.725 7.75 7.775 7.8 7.825 7.85 7.875 7.9 7.925 7.95 7.975 8.0 8.025 8.05 8.075 8.1 8.125 8.15 8.175 8.2 8.225 8.25 8.275 8.3 8.325 8.35 8.375 8.4 8.425 8.45 8.475 8.5 8.525 8.55
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
255.000 255.000 255.000 255.000 253.500 252.000 250.500 255.000 262.500 260.000 257.500 256.250 255.000 257.500 257.500 257.500 257.500 257.500 255.000 255.000 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 260.000 260.000 260.000 260.000 260.000 260.000 260.000 260.000 260.000 260.000 262.500 262.500 262.500 260.000 260.000 260.000 261.250 262.500 263.750 265.000 265.000 265.000 265.000 267.500 267.500 267.632 267.763 267.895 268.026 268.158 268.289 268.421 268.553 268.684 268.816 268.947 269.079 269.211 269.342 269.474 269.605 269.737 269.868 270.000 270.000 270.000 272.500 272.500 272.500 275.000 275.000 275.000 275.000 275.000 275.000 275.000 275.000 275.000 275.000 275.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
81 87 87 87 84 87 93 93 0 0 78 75 78 87 84 93 93 93 78 75 0 90 90 66 63 60 57 84 84 90 90 90 90 87 87 87 87 75 78 93 93 93 93 66 0 0 0 0 78 57 57 45 33 60 0 0 0 0 0 0 93 93 93 96 99 87 0 0 0 0 0 87 99 90 87 102 102 90 78 78 78 75 0 0 72 51 51 51 51
</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 -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 -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="541">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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</AltitudeList>
<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="2.056" PeakHeight="110.0" Num="3" Error="0.0">
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</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="2.056" EndFrequency="8.55" PeakHeight="213.516" Num="5" zHalfNm="178.693" Error="2.255">
-65.904 -23.664 16.58 -7.984 1.913
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" EarthRadius="6370.0">
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<QuasiParabolic ID="2" StartDistance="6488.152" EndDistance="6496.305" A="0.0" B="-101321.984" C="19.306007" Error="0.00512"/>
<QuasiParabolic ID="3" StartDistance="6496.305" EndDistance="6503.0" A="4.946586E12" B="-1.52462694E9" C="117482.94" Error="0.00798"/>
<QuasiParabolic ID="4" StartDistance="6503.0" EndDistance="6507.0" A="7.2316E13" B="-2.22441144E10" C="1710554.5" Error="0.00733"/>
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<QuasiParabolic ID="8" StartDistance="6536.0" EndDistance="6570.0" A="4.4366556E12" B="-1.39273472E9" C="109256.516" Error="0.00852"/>
<QuasiParabolic ID="9" StartDistance="6570.0" EndDistance="6582.0" A="4.6505486E13" B="-1.41990758E10" C="1083863.9" Error="0.00185"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="24.457" Depth="0.135"/>
<TopsideChapman PeakHeight="213.516" PeakDensity="906978.94" PeakScaleHeight="22.809" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
