<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-11 -131 22:10:00.000"
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: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.11 (131) 22:10:00</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">
FF202613105112210001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.200" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.379" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.813" 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="3.600" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="297.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="297.500" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.950" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="297.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" 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="289.955" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="256.469" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.205" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="47.976" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.377" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="25.383" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="47.720" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.150" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="11">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
297.500 305.000 310.000 318.916 329.192 341.166 355.296 372.223 392.869 418.608 451.593
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
42 48 48 48 48 72 69 69 69 66 0
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="580">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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</AltitudeList>
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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="3.2" PeakHeight="289.955" Num="5" zHalfNm="256.469" Error="2.134">
-84.8 0.86 -1.308 0.836 -0.269
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
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<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6511.758" A="-1.50566322E11" B="4.6471088E7" C="-3585.6067" Error="0.00158"/>
<QuasiParabolic ID="2" StartDistance="6511.758" EndDistance="6543.516" A="0.0" B="454.54343" C="-0.029775416" Error="0.00777"/>
<QuasiParabolic ID="3" StartDistance="6543.516" EndDistance="6573.0" A="3.870303E10" B="-1.1916597E7" C="917.26556" Error="0.00777"/>
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<QuasiParabolic ID="5" StartDistance="6574.0" EndDistance="6577.0" A="4.10814015E12" B="-1.24992768E9" C="95074.72" Error="0.00806"/>
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<ProfileValley Model="ULCAR" Width="95.274" Depth="0.154"/>
<TopsideChapman PeakHeight="289.955" PeakDensity="127047.15" PeakScaleHeight="25.383" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
