<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-14 -104 21:50:00.000"
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: 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) 21:50:00</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">
FF202610404142150001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.125" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.008" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="20.540" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.300" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.300" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.500" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.850" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="231.235" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.568" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.300" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.300" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="208.704" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="187.713" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.726" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.793" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.182" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.011" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.030" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.910" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="114">
<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" >
42 0 0 0 0 57 57 72 72 60 60 60 60 57 57 57 57 57 60 60 63 39 39 36 33 0 30 45 45 72 72 72 72 75 75 75 75 93 96 81 81 72 72 87 87 87 81 72 72 75 75 75 72 72 72 60 57 60 57 57 54 54 57 81 81 84 84 84 84 96 93 96 96 84 84 81 87 75 75 75 72 75 75 87 84 63 63 51 45 60 60 78 84 81 81 84 81 84 81 84 81 96 96 81 81 105 102 90 87 84 84 81 81 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="384">
<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="0.568" PeakHeight="110.0" Num="3" Error="0.0">
-23.285 5.05 -0.522
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.568" EndFrequency="5.125" PeakHeight="208.704" Num="5" zHalfNm="187.713" Error="0.264">
-48.127 8.83 -4.655 1.272 -0.024
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.033" EndDistance="6480.001" A="-1.41806102E12" B="4.37673184E8" C="-33770.754" Error="0.00466"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6498.667" A="-7.4818906E11" B="2.3092256E8" C="-17817.775" Error="2.73E-4"/>
<QuasiParabolic ID="2" StartDistance="6498.667" EndDistance="6517.333" A="0.0" B="-1834.3165" C="0.4578694" Error="0.00488"/>
<QuasiParabolic ID="3" StartDistance="6517.333" EndDistance="6533.0" A="1.6352759E11" B="-5.044716E7" C="3890.7217" Error="0.00488"/>
<QuasiParabolic ID="4" StartDistance="6533.0" EndDistance="6534.0" A="-3.74095086E12" B="1.14486234E9" C="-87591.71" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6534.0" EndDistance="6537.0" A="1.82021574E13" B="-5.5717299E9" C="426380.78" Error="0.0135"/>
<QuasiParabolic ID="6" StartDistance="6537.0" EndDistance="6542.0" A="2.0115536E13" B="-6.1571297E9" C="471156.62" Error="0.0192"/>
<QuasiParabolic ID="7" StartDistance="6542.0" EndDistance="6546.0" A="3.8078861E13" B="-1.16488223E10" C="890882.44" Error="0.00749"/>
<QuasiParabolic ID="8" StartDistance="6546.0" EndDistance="6552.0" A="1.06106446E14" B="-3.24332954E10" C="2478453.0" Error="0.0113"/>
<QuasiParabolic ID="9" StartDistance="6552.0" EndDistance="6556.0" A="7.5189769E13" B="-2.299597E10" C="1758266.4" Error="0.00933"/>
<QuasiParabolic ID="10" StartDistance="6556.0" EndDistance="6578.704" A="-5.53515E13" B="1.6827478E10" C="-1278909.4" Error="0.00454"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="56.0" Depth="0.149"/>
<TopsideChapman PeakHeight="208.704" PeakDensity="325876.25" PeakScaleHeight="16.011" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
