<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-29 -149 02:00:00.000"
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" >
2026.05.29 (149) 02:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202614905290200001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.075" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.457" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.088" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.450" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="247.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="247.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.825" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="295.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="270.295" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="242.566" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.181" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="39.499" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.840" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="21.441" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.030" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.560" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="45">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
247.500 247.500 247.500 250.000 250.000 250.000 252.500 252.500 252.500 255.000 255.000 257.500 257.500 257.500 260.000 260.000 262.500 262.500 265.000 267.500 267.500 267.500 270.000 270.000 272.500 275.000 275.000 277.500 280.000 282.500 285.000 287.500 290.000 292.500 295.000 299.048 303.756 309.302 315.930 323.991 334.007 346.788 363.659 386.960 421.232
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 93 93 81 81 96 99 96 93 96 93 96 96 96 96 96 99 99 90 84 84 87 84 84 84 81 81 93 96 81 78 63 60 87 87 102 99 99 96 93 96 99 0 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="518">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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</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="4.075" PeakHeight="270.295" Num="5" zHalfNm="242.566" Error="2.677">
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</ShiftedChebyshev>
</ShiftedChebyshevList>
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<QuasiParabolic ID="2" StartDistance="6512.083" EndDistance="6544.167" A="0.0" B="34.830666" C="0.034677606" Error="6.56E-4"/>
<QuasiParabolic ID="3" StartDistance="6544.167" EndDistance="6545.0" A="-4.5643916E12" B="1.394768E9" C="-106551.82" Error="3.64E-10"/>
<QuasiParabolic ID="4" StartDistance="6545.0" EndDistance="6547.0" A="1.57678318E12" B="-4.81832416E8" C="36809.555" Error="0.0192"/>
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<QuasiParabolic ID="6" StartDistance="6549.0" EndDistance="6574.0" A="6.3957422E10" B="-1.9610208E7" C="1503.2155" Error="0.0194"/>
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<QuasiParabolic ID="8" StartDistance="6575.0" EndDistance="6578.0" A="7.7496268E12" B="-2.35737344E9" C="179273.56" Error="0.014"/>
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<ProfileValley Model="ULCAR" Width="96.25" Depth="0.154"/>
<TopsideChapman PeakHeight="270.295" PeakDensity="206025.12" PeakScaleHeight="21.441" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
