<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-13 -133 21:10:00.000"
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" >
2026.05.13 (133) 21:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202613305132110001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.650" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.826" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.790" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.100" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.100" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.050" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="200.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="200.000" 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="4.400" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="250.249" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.770" 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="227.033" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="197.696" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.547" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="42.348" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.650" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.801" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.950" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.090" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="63">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.1 3.125 3.15 3.175 3.2 3.225 3.25 3.275 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 4.6 4.625 4.65
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
200.000 200.833 201.667 202.500 202.500 202.500 202.500 202.500 202.500 205.000 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 210.000 210.000 210.000 210.000 210.000 212.500 212.500 212.500 212.500 215.000 215.000 215.000 217.500 217.500 217.500 220.000 222.500 222.500 222.500 225.000 225.000 227.500 227.500 230.000 230.000 232.500 235.000 235.000 236.471 238.111 239.950 242.026 244.388 247.101 250.249 253.944 258.344 263.672 270.256 278.598 289.512 304.405 325.936 359.817 420.946
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 0 0 63 66 81 81 78 78 78 81 96 93 81 78 69 69 57 54 54 54 54 57 66 69 66 66 66 63 90 90 81 78 102 93 78 81 78 81 72 78 84 90 87 90 84 87 84 84 84 84 72 69 45 48 42 42 51 48 66 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="522">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.77" PeakHeight="110.0" Num="3" Error="0.0">
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</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.77" EndFrequency="4.65" PeakHeight="227.033" Num="5" zHalfNm="197.696" Error="1.819">
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</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="13" EarthRadius="6370.0">
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<QuasiParabolic ID="2" StartDistance="6501.0" EndDistance="6522.0" A="0.0" B="-217.25966" C="0.29166245" Error="0.00111"/>
<QuasiParabolic ID="3" StartDistance="6522.0" EndDistance="6542.0" A="2.98241589E11" B="-9.19908E7" C="7093.5195" Error="0.00111"/>
<QuasiParabolic ID="4" StartDistance="6542.0" EndDistance="6545.0" A="2.61842639E13" B="-8.0057856E9" C="611938.75" Error="0.00385"/>
<QuasiParabolic ID="5" StartDistance="6545.0" EndDistance="6548.0" A="3.18050062E12" B="-9.7636966E8" C="74932.17" Error="0.0057"/>
<QuasiParabolic ID="6" StartDistance="6548.0" EndDistance="6557.0" A="1.22676838E13" B="-3.7519296E9" C="286871.7" Error="0.00938"/>
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<QuasiParabolic ID="8" StartDistance="6561.0" EndDistance="6564.0" A="1.12269984E14" B="-3.42417162E10" C="2610886.2" Error="0.00423"/>
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<ProfileValley Model="ULCAR" Width="63.0" Depth="0.262"/>
<TopsideChapman PeakHeight="227.033" PeakDensity="268269.22" PeakScaleHeight="23.801" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
