<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-09 -129 01:35:00.000"
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 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) 01:35:00</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">
FF202612905090135001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.275" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.468" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.824" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.750" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="245.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="245.000" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.025" 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="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="269.219" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="240.328" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.363" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="41.028" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.101" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.381" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.740" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.420" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="52">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
245.000 245.000 245.000 245.000 245.000 247.500 247.500 247.500 247.500 247.500 252.500 252.500 252.500 252.500 252.500 252.500 255.000 255.000 257.500 257.500 257.500 260.000 260.000 262.500 262.500 262.500 265.000 265.000 270.000 270.000 270.000 272.500 275.000 275.000 275.000 277.500 282.500 282.500 290.000 292.500 295.000 295.000 300.000 305.419 311.743 319.218 328.193 339.168 352.894 370.555 394.127 427.173
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 75 72 90 96 105 105 105 105 120 111 102 105 81 81 117 117 105 99 90 87 87 90 84 87 87 84 84 69 66 63 0 54 72 75 99 99 102 99 93 96 93 87 93 96 87 87 87 87 75 75 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="534">
<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">
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</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="4.275" PeakHeight="269.219" Num="5" zHalfNm="240.328" Error="2.906">
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</ShiftedChebyshev>
</ShiftedChebyshevList>
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<QuasiParabolic ID="2" StartDistance="6511.5" EndDistance="6543.0" A="0.0" B="454.0606" C="-0.029707344" Error="0.00777"/>
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<QuasiParabolic ID="4" StartDistance="6570.0" EndDistance="6572.0" A="-8.9980384E11" B="2.73775712E8" C="-20824.74" Error="0.0041"/>
<QuasiParabolic ID="5" StartDistance="6572.0" EndDistance="6582.0" A="4.6916473E12" B="-1.42782221E9" C="108633.414" Error="0.038"/>
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<ProfileValley Model="ULCAR" Width="94.5" Depth="0.154"/>
<TopsideChapman PeakHeight="269.219" PeakDensity="226744.73" PeakScaleHeight="22.381" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
