<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-24 -083 02:30:00.000"
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 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" >
2026.03.24 (083) 02:30:00</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">
FF202608303240230001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.375" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.426" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.988" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.675" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.675" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="245.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="245.000" 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="4.225" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="315.144" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.675" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.675" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="270.948" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="243.094" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.487" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="39.770" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.113" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="21.259" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="36.460" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.860" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="69">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
245.000 245.000 245.000 245.000 247.500 247.500 247.500 247.500 250.000 250.000 250.000 252.500 252.500 252.500 253.125 253.750 254.375 255.000 257.500 257.500 260.000 262.500 262.500 262.500 262.500 265.000 265.000 265.000 265.000 265.000 267.500 270.000 270.000 271.250 272.500 272.500 272.500 273.750 275.000 276.250 277.500 280.000 280.000 282.500 285.000 287.500 290.000 292.500 295.000 295.000 290.000 292.500 292.500 292.500 297.500 300.000 300.000 302.500 304.319 306.412 308.848 311.716 315.144 319.314 324.495 331.106 339.834 351.890 369.624
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 72 72 57 63 51 51 0 0 93 96 0 87 0 0 0 90 102 102 0 0 0 99 102 93 96 0 93 99 99 93 81 75 87 84 84 0 0 0 78 78 78 0 0 0 0 0 0 0 105 96 84 87 93 96 102 96 87 87 96 0 0 93 90 84 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="520">
<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="0.354" PeakHeight="110.0" Num="3" Error="0.0">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="4.375" PeakHeight="270.948" Num="5" zHalfNm="243.094" Error="1.054">
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</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0205" EndDistance="6480.001" A="-5.5027394E11" B="1.69837632E8" C="-13104.63" Error="0.0016"/>
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<QuasiParabolic ID="2" StartDistance="6511.5" EndDistance="6543.0" A="0.0" B="-1789.5428" C="0.3148528" Error="0.0337"/>
<QuasiParabolic ID="3" StartDistance="6543.0" EndDistance="6545.0" A="5.839277E12" B="-1.78452915E9" C="136341.6" Error="0.0"/>
<QuasiParabolic ID="4" StartDistance="6545.0" EndDistance="6572.0" A="-9.289121E10" B="2.8203646E7" C="-2140.673" Error="0.157"/>
<QuasiParabolic ID="5" StartDistance="6572.0" EndDistance="6577.0" A="5.7651726E12" B="-1.75453018E9" C="133490.33" Error="0.0515"/>
<QuasiParabolic ID="6" StartDistance="6577.0" EndDistance="6588.0" A="3.26153378E12" B="-9.9319872E8" C="75612.0" Error="0.0204"/>
<QuasiParabolic ID="7" StartDistance="6588.0" EndDistance="6615.0" A="2.07802849E13" B="-6.3115812E9" C="479253.66" Error="0.0973"/>
<QuasiParabolic ID="8" StartDistance="6615.0" EndDistance="6640.948" A="-2.43825503E13" B="7.3430932E9" C="-552845.7" Error="0.00913"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="94.5" Depth="0.154"/>
<TopsideChapman PeakHeight="270.948" PeakDensity="237476.73" PeakScaleHeight="21.259" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
