<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-26 -146 22:50:00.000"
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 F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.26 (146) 22:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202614605262250001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.750" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.332" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.494" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.125" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.125" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.200" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="267.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="267.500" 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="3.425" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="300.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.125" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.125" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="285.772" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="256.334" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.549" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="42.193" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.657" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.408" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="40.720" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.380" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="26">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
267.500 270.000 270.000 272.500 277.500 280.000 282.500 287.500 290.000 292.500 297.500 297.500 300.000 310.000 312.500 315.000 320.000 325.000 332.500 337.500 347.500 355.000 365.000 380.000 399.042 424.181
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
90 90 90 90 93 93 90 84 87 84 90 90 90 84 78 81 81 81 81 78 78 78 87 81 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -7.8125 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="543">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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</AltitudeList>
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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="3.75" PeakHeight="285.772" Num="5" zHalfNm="256.334" Error="2.575">
-75.869 3.332 -2.894 1.549 -0.294
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6513.865" A="-1.3248684E11" B="4.0891E7" C="-3155.0444" Error="0.0017"/>
<QuasiParabolic ID="2" StartDistance="6513.865" EndDistance="6547.731" A="0.0" B="-748.7366" C="0.15498103" Error="0.0158"/>
<QuasiParabolic ID="3" StartDistance="6547.731" EndDistance="6578.0" A="4.9778E10" B="-1.5274117E7" C="1171.712" Error="0.0158"/>
<QuasiParabolic ID="4" StartDistance="6578.0" EndDistance="6580.0" A="-4.80935674E11" B="1.4608608E8" C="-11093.429" Error="8.74E-4"/>
<QuasiParabolic ID="5" StartDistance="6580.0" EndDistance="6584.0" A="4.8697075E12" B="-1.48024922E9" C="112488.28" Error="0.0146"/>
<QuasiParabolic ID="6" StartDistance="6584.0" EndDistance="6593.0" A="2.30751338E12" B="-7.0193997E8" C="53382.168" Error="0.0164"/>
<QuasiParabolic ID="7" StartDistance="6593.0" EndDistance="6604.0" A="5.6859836E12" B="-1.72680589E9" C="131105.95" Error="0.00685"/>
<QuasiParabolic ID="8" StartDistance="6604.0" EndDistance="6620.0" A="1.2754587E13" B="-3.8675095E9" C="293182.25" Error="0.0119"/>
<QuasiParabolic ID="9" StartDistance="6620.0" EndDistance="6634.0" A="4.8405519E12" B="-1.47656218E9" C="112597.11" Error="0.0166"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="101.596" Depth="0.154"/>
<TopsideChapman PeakHeight="285.772" PeakDensity="174472.7" PeakScaleHeight="22.408" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
