<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-07 -097 06:20:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 85% PACIFIC flags: Multiple candidates for F2x cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.07 (097) 06:20:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609704070620001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.775" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.652" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="21.092" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.450" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.450" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.075" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="220.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="220.000" 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="5.475" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="273.365" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.450" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.450" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="247.424" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="220.336" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.242" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.457" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.519" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.628" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.590" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.610" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="134">
<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" >
69 81 0 0 0 0 0 72 72 0 0 75 75 0 0 60 54 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 39 0 60 0 0 0 72 72 69 0 0 0 0 0 81 0 0 63 84 84 78 81 60 60 0 0 87 84 60 0 75 75 63 0 60 60 63 63 63 0 0 48 0 72 51 48 72 72 63 63 0 0 0 63 60 0 87 87 105 0 0 111 111 111 0 87 63 57 0 0 0 0 0 39 36 42 42 39 36 0 45 42 0 0 0 0 0 0 0 0 0 0 0
</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="504">
<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="0.354" PeakHeight="110.0" Num="3" Error="0.0">
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</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="5.775" PeakHeight="247.424" Num="5" zHalfNm="220.336" Error="0.553">
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</ShiftedChebyshev>
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<QuasiParabolicList Num="9" EarthRadius="6370.0">
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<QuasiParabolic ID="3" StartDistance="6531.333" EndDistance="6555.0" A="5.3121372E10" B="-1.637444E7" C="1261.8231" Error="0.0104"/>
<QuasiParabolic ID="4" StartDistance="6555.0" EndDistance="6560.0" A="6.1575932E12" B="-1.87891354E9" C="143331.94" Error="0.0269"/>
<QuasiParabolic ID="5" StartDistance="6560.0" EndDistance="6566.0" A="5.6757012E12" B="-1.73199526E9" C="132133.89" Error="0.0101"/>
<QuasiParabolic ID="6" StartDistance="6566.0" EndDistance="6574.0" A="1.91245645E13" B="-5.8285117E9" C="444083.06" Error="0.0263"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="77.0" Depth="0.154"/>
<TopsideChapman PeakHeight="247.424" PeakDensity="413779.47" PeakScaleHeight="20.628" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
