<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-19 -078 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="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: 90% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.19 (078) 22:50:00</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">
FF202607803192250001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="6.350" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.918" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="24.880" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.050" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.050" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.725" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="195.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="195.000" 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="6.050" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="242.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.364" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.100" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.100" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="219.627" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="197.403" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="7.995" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="31.528" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.512" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.057" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.150" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.030" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="133">
<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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</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="423">
<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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</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.364" PeakHeight="110.0" Num="3" Error="0.0">
-19.142 2.582 -0.157
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.364" EndFrequency="6.35" PeakHeight="219.627" Num="5" zHalfNm="197.403" Error="0.715">
-56.614 11.298 -7.098 3.072 -0.785
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
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<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6499.833" A="-3.03954723E11" B="9.3813192E7" C="-7238.5396" Error="0.00116"/>
<QuasiParabolic ID="2" StartDistance="6499.833" EndDistance="6519.667" A="0.0" B="-4317.274" C="0.7293135" Error="0.0322"/>
<QuasiParabolic ID="3" StartDistance="6519.667" EndDistance="6536.0" A="1.70141893E11" B="-5.2263196E7" C="4013.5364" Error="0.0351"/>
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<QuasiParabolic ID="5" StartDistance="6538.0" EndDistance="6542.0" A="1.07629899E13" B="-3.2924969E9" C="251801.36" Error="0.0313"/>
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<QuasiParabolic ID="7" StartDistance="6545.0" EndDistance="6551.0" A="2.03117455E13" B="-6.2105364E9" C="474734.94" Error="0.0144"/>
<QuasiParabolic ID="8" StartDistance="6551.0" EndDistance="6557.0" A="6.3476714E13" B="-1.93886679E10" C="1480545.6" Error="0.0184"/>
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<ProfileValley Model="ULCAR" Width="59.5" Depth="0.109"/>
<TopsideChapman PeakHeight="219.627" PeakDensity="500279.16" PeakScaleHeight="17.057" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
