<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-30 -089 06:30:00.000"
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 F2o cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.30 (089) 06:30:00</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">
FF202608903300630001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.575" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.297" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.084" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.300" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.300" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.000" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="275.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="275.000" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.425" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="338.294" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.300" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.300" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="287.868" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="260.580" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.399" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="39.277" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.276" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.691" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="38.330" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.260" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="52">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.3 3.325 3.35 3.375 3.4 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
275.000 275.000 275.000 275.000 277.500 277.500 280.000 280.000 280.000 280.000 282.500 282.500 282.500 282.500 285.000 285.000 287.500 288.636 289.773 290.909 292.045 293.182 294.318 295.455 296.591 297.727 298.864 300.000 300.000 302.500 305.000 305.000 310.000 310.000 310.000 312.500 315.000 317.500 322.500 325.000 325.000 327.500 330.000 332.500 335.000 338.294 341.999 346.197 350.993 356.526 362.979 370.603
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
90 0 93 69 69 96 87 78 0 81 84 84 81 81 81 81 84 0 0 0 0 0 0 0 0 0 0 90 87 87 90 90 84 0 102 99 99 90 93 96 93 90 96 87 84 51 0 0 0 60 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="532">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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</AltitudeList>
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</ProfileValueList>
</Tabulated>
<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="4.575" PeakHeight="287.868" Num="5" zHalfNm="260.58" Error="1.144">
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</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
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<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6515.555" A="-1.20257044E11" B="3.7116372E7" C="-2863.7922" Error="0.0017"/>
<QuasiParabolic ID="2" StartDistance="6515.555" EndDistance="6551.109" A="0.0" B="-3145.3728" C="0.5227819" Error="0.0663"/>
<QuasiParabolic ID="3" StartDistance="6551.109" EndDistance="6586.0" A="8.0699982E10" B="-2.4679266E7" C="1886.8597" Error="0.0663"/>
<QuasiParabolic ID="4" StartDistance="6586.0" EndDistance="6599.0" A="5.3359721E12" B="-1.62057126E9" C="123044.766" Error="0.0637"/>
<QuasiParabolic ID="5" StartDistance="6599.0" EndDistance="6604.0" A="7.0875784E12" B="-2.15144141E9" C="163268.3" Error="0.0053"/>
<QuasiParabolic ID="6" StartDistance="6604.0" EndDistance="6637.0" A="1.61057908E13" B="-4.8825779E9" C="370047.25" Error="0.0348"/>
<QuasiParabolic ID="7" StartDistance="6637.0" EndDistance="6657.868" A="-3.09614776E13" B="9.3007186E9" C="-698454.8" Error="0.0127"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="106.664" Depth="0.154"/>
<TopsideChapman PeakHeight="287.868" PeakDensity="259685.17" PeakScaleHeight="20.691" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
