<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-21 -080 06:00:00.000"
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" >
2026.03.21 (080) 06:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608003210600001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.800" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.731" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.907" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.125" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="210.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="210.000" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.600" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="267.666" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="236.696" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="208.281" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.643" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="40.128" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.548" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="21.786" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.750" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.120" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="112">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
210.000 210.000 210.000 211.250 212.500 210.000 211.250 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 213.125 213.750 214.375 215.000 215.000 216.250 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 222.500 222.500 222.500 222.500 222.500 222.500 222.500 222.500 225.000 225.000 225.000 225.000 225.000 226.250 227.500 227.500 227.500 227.500 227.500 227.500 230.000 230.833 231.667 232.500 230.000 232.500 235.000 235.000 235.000 235.000 237.500 237.500 237.500 240.000 242.500 242.500 242.500 242.500 247.500 247.500 247.500 250.000 252.500 252.500 255.000 255.000 256.834 258.939 261.382 264.250 267.666 271.801 276.912 283.389 291.864 303.430 320.155 346.483 394.016
</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="500">
<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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<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="4.8" PeakHeight="236.696" Num="5" zHalfNm="208.281" Error="1.163">
-66.692 17.711 -10.298 3.181 -0.598
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="70.0" Depth="0.15"/>
<TopsideChapman PeakHeight="236.696" PeakDensity="285856.1" PeakScaleHeight="21.786" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
