<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-23 -296 22:40:00.000"
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" >
2026.10.23 (296) 22:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.32" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.06" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="62.486557" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202629610232240001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="9.225" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.782" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="34.890" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.400" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.400" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="9.475" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="217.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="217.500" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="9.150" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="277.762" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.441" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.400" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.400" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="239.637" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="223.443" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="9.550" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="24.018" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="5.504" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.004" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.380" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.630" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="234">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
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</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="372">
<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="0.441" PeakHeight="110.0" Num="3" Error="0.0">
-21.197 3.648 -0.29
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.441" EndFrequency="9.225" PeakHeight="239.637" Num="5" zHalfNm="223.443" Error="0.925">
-51.854 -5.736 4.463 -1.83 0.57
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.005" EndDistance="6480.001" A="-8.5258496E11" B="2.63143504E8" C="-20304.088" Error="0.00621"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6505.083" A="-4.04687487E11" B="1.24903544E8" C="-9637.425" Error="0.00283"/>
<QuasiParabolic ID="2" StartDistance="6505.083" EndDistance="6530.167" A="0.0" B="190.76755" C="0.021862734" Error="0.00221"/>
<QuasiParabolic ID="3" StartDistance="6530.167" EndDistance="6531.0" A="1.50310182E13" B="-4.603222E9" C="352432.12" Error="0.081"/>
<QuasiParabolic ID="4" StartDistance="6531.0" EndDistance="6553.0" A="2.97634176E9" B="-1157454.8" C="107.496086" Error="0.0774"/>
<QuasiParabolic ID="5" StartDistance="6553.0" EndDistance="6555.0" A="7.2230492E12" B="-2.20475059E9" C="168243.7" Error="0.0106"/>
<QuasiParabolic ID="6" StartDistance="6555.0" EndDistance="6566.0" A="2.37840609E13" B="-7.2576906E9" C="553670.1" Error="0.0691"/>
<QuasiParabolic ID="7" StartDistance="6566.0" EndDistance="6603.0" A="8.1821224E13" B="-2.49357804E10" C="1899854.1" Error="0.0643"/>
<QuasiParabolic ID="8" StartDistance="6603.0" EndDistance="6608.0" A="-4.59696155E14" B="1.3908584E11" C="-1.0520381E7" Error="0.00257"/>
<QuasiParabolic ID="9" StartDistance="6608.0" EndDistance="6609.637" A="-6.3203564E14" B="1.91246696E11" C="-1.4467177E7" Error="1.83E-5"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="75.25" Depth="0.215"/>
<TopsideChapman PeakHeight="239.637" PeakDensity="1055839.0" PeakScaleHeight="12.004" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
