<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-14 -104 21:40:00.000"
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" >
2026.04.14 (104) 21:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610404142140001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.850" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.036" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="23.610" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.400" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.400" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.175" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="190.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="190.000" 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="5.575" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="230.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.686" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.400" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.400" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="206.851" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="186.977" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.912" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.252" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.716" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.230" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.660" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.420" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="139">
<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>
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</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="377">
<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="0.686" PeakHeight="110.0" Num="3" Error="0.0">
-24.534 6.077 -0.734
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.686" EndFrequency="5.85" PeakHeight="206.851" Num="5" zHalfNm="186.977" Error="0.506">
-45.703 7.938 -4.276 1.386 -0.196
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.009" EndDistance="6480.001" A="-2.06350582E12" B="6.3688448E8" C="-49141.85" Error="0.0252"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6498.667" A="-1.09210416E12" B="3.37069184E8" C="-26007.955" Error="3.54E-4"/>
<QuasiParabolic ID="2" StartDistance="6498.667" EndDistance="6517.333" A="0.0" B="-22794.992" C="3.7636447" Error="0.0391"/>
<QuasiParabolic ID="3" StartDistance="6517.333" EndDistance="6533.0" A="7.0850898E11" B="-2.17612576E8" C="16709.723" Error="0.0391"/>
<QuasiParabolic ID="4" StartDistance="6533.0" EndDistance="6534.0" A="-1.46647359E13" B="4.4887229E9" C="-343487.4" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6534.0" EndDistance="6543.0" A="3.08820752E13" B="-9.452756E9" C="723353.6" Error="0.0237"/>
<QuasiParabolic ID="6" StartDistance="6543.0" EndDistance="6550.0" A="9.1722785E13" B="-2.80499466E10" C="2144505.2" Error="0.03"/>
<QuasiParabolic ID="7" StartDistance="6550.0" EndDistance="6555.0" A="1.64395141E14" B="-5.023998E10" C="3838401.0" Error="0.0181"/>
<QuasiParabolic ID="8" StartDistance="6555.0" EndDistance="6576.851" A="-8.0179825E13" B="2.43824353E10" C="-1853621.5" Error="0.006"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="56.0" Depth="0.18"/>
<TopsideChapman PeakHeight="206.851" PeakDensity="424596.78" PeakScaleHeight="15.23" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
