<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-11-04 -308 05:45:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 60% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.11.04 (308) 05:45:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.33" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.06" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="60.383656" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202630811040545001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="5.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.583" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="20.332" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.525" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.525" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="240.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="240.000" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.600" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="302.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.525" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.525" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="262.353" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="242.390" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.125" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.289" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.554" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.758" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="30.480" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.720" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="127">
<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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<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="420">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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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="5.675" PeakHeight="262.353" Num="5" zHalfNm="242.39" Error="1.152">
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</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
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<QuasiParabolic ID="3" StartDistance="6540.667" EndDistance="6564.0" A="8.2582307E10" B="-2.5317638E7" C="1940.4642" Error="0.0307"/>
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<QuasiParabolic ID="6" StartDistance="6574.0" EndDistance="6575.0" A="7.0635212E11" B="-2.16815536E8" C="16636.865" Error="1.55E-11"/>
<QuasiParabolic ID="7" StartDistance="6575.0" EndDistance="6577.0" A="7.4597757E12" B="-2.2710889E9" C="172855.38" Error="0.00395"/>
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<ProfileValley Model="ULCAR" Width="91.0" Depth="0.154"/>
<TopsideChapman PeakHeight="262.353" PeakDensity="399573.5" PeakScaleHeight="14.758" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
