<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-02 -033 02:35:00.000"
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 55 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 20% PACIFIC flags: F2x cusp not found, Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2, Trace overlaps while constructing baseline</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.02.02 (033) 02:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.15" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.95" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="85.88234" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202603302020235001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="6.800" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.551" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="24.144" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.600" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.600" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="7.150" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="260.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="260.000" 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="6.775" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="313.587" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.600" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.600" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="282.394" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="266.515" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.136" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="24.278" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.022" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.600" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.930" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.220" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="169">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 2.925 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 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05 6.075 6.1 6.125 6.15 6.175 6.2 6.225 6.25 6.275 6.3 6.325 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
260.000 260.000 260.000 262.500 262.500 262.500 262.500 262.500 262.500 262.692 262.885 263.077 263.269 263.462 263.654 263.846 264.038 264.231 264.423 264.615 264.808 265.000 265.000 265.000 267.500 267.500 270.000 270.000 270.000 272.500 270.833 269.167 267.500 272.500 270.833 269.167 267.500 270.000 272.500 275.000 277.500 277.500 272.500 272.963 273.426 273.889 274.352 274.815 275.278 275.741 276.204 276.667 277.130 277.593 278.056 278.519 278.981 279.444 279.907 280.370 280.833 281.296 281.759 282.222 282.685 283.148 283.611 284.074 284.537 285.000 285.000 285.000 285.000 286.250 287.500 288.125 288.750 289.375 290.000 290.833 291.667 292.500 292.500 292.500 293.333 294.167 295.000 295.000 295.000 295.000 295.000 293.333 291.667 290.000 292.500 285.000 290.000 290.000 290.000 290.000 292.500 292.500 292.500 292.500 292.500 292.500 295.000 295.000 295.000 295.000 295.000 295.000 295.000 292.500 292.500 295.000 295.000 295.000 295.000 297.500 297.500 300.000 300.000 295.000 297.500 302.500 302.500 301.250 300.000 300.000 300.000 300.000 300.000 300.000 302.500 310.000 302.500 302.500 305.000 306.250 307.500 307.500 306.250 305.000 310.000 310.000 310.000 310.000 310.000 310.000 310.000 310.000 310.000 310.000 310.000 310.000 310.000 310.000 310.000 310.000 308.750 307.500 322.500 320.714 310.000 312.500 312.500 313.587 324.348
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
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</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="392">
<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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</ProfileValueList>
</Tabulated>
<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="6.8" PeakHeight="282.394" Num="5" zHalfNm="266.515" Error="0.936">
-58.678 -17.009 11.408 -3.883 0.768
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0205" EndDistance="6480.001" A="-5.5027394E11" B="1.69837632E8" C="-13104.63" Error="0.0016"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6515.0" A="-1.24071371E11" B="3.8293632E7" C="-2954.6301" Error="0.00182"/>
<QuasiParabolic ID="2" StartDistance="6515.0" EndDistance="6550.0" A="0.0" B="-55.214672" C="0.048514627" Error="0.00212"/>
<QuasiParabolic ID="3" StartDistance="6550.0" EndDistance="6583.0" A="3.7678932E10" B="-1.1579506E7" C="889.658" Error="0.00212"/>
<QuasiParabolic ID="4" StartDistance="6583.0" EndDistance="6584.0" A="4.3878229E12" B="-1.33320909E9" C="101271.67" Error="1.22E-10"/>
<QuasiParabolic ID="5" StartDistance="6584.0" EndDistance="6598.0" A="1.01409484E13" B="-3.08081715E9" C="233987.95" Error="0.0305"/>
<QuasiParabolic ID="6" StartDistance="6598.0" EndDistance="6623.0" A="1.76218461E13" B="-5.3484431E9" C="405829.88" Error="0.0186"/>
<QuasiParabolic ID="7" StartDistance="6623.0" EndDistance="6647.0" A="4.4633896E13" B="-1.35054868E10" C="1021641.7" Error="0.0186"/>
<QuasiParabolic ID="8" StartDistance="6647.0" EndDistance="6650.0" A="7.9976658E12" B="-2.48209843E9" C="192441.45" Error="0.00287"/>
<QuasiParabolic ID="9" StartDistance="6650.0" EndDistance="6652.394" A="-7.0945491E14" B="2.13293122E11" C="-1.6031259E7" Error="0.00135"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="105.0" Depth="0.154"/>
<TopsideChapman PeakHeight="282.394" PeakDensity="573697.25" PeakScaleHeight="11.6" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
