<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-24 -297 09:00:00.000"
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" >
2026.10.24 (297) 09:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.32" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.06" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="62.486557" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202629710240900001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="6.200" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.801" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="23.563" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.325" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.325" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.550" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="217.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="217.500" 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="5.925" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="258.365" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="1.497" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.325" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.325" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="215.924" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="186.957" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.888" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="39.722" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="4.704" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="21.854" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="48.180" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.410" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="116">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 222.500 222.500 222.500 222.500 222.500 222.500 222.500 223.750 225.000 225.000 225.000 225.000 225.000 225.000 225.000 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 230.000 230.000 230.000 230.000 230.000 230.000 230.000 232.500 232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 235.000 237.500 237.500 237.500 237.500 240.000 240.000 240.000 242.500 242.500 242.500 242.500 245.000 245.000 247.500 247.500 247.500 248.339 249.245 250.226 251.290 252.451 253.721 255.116 256.656 258.365 260.273 262.414 264.837 267.600 270.781 274.480 278.837 284.045 290.379 298.248 308.290
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
96 96 87 87 75 75 78 78 78 78 78 75 63 60 60 60 0 0 0 0 81 81 81 81 81 81 69 72 84 84 84 87 99 96 87 87 75 75 87 87 75 75 75 72 48 48 0 0 0 0 69 0 96 96 0 0 69 69 84 84 72 72 96 93 93 93 81 81 93 93 90 0 69 69 93 90 93 96 72 69 69 72 72 69 93 93 93 90 69 69 93 90 93 87 78 81 90 93 66 69 90 93 66 69 90 90 90 93 78 78 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="503">
<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="1.497" PeakHeight="110.0" Num="3" Error="0.0">
-28.115 9.877 -1.824
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="1.497" EndFrequency="6.2" PeakHeight="215.924" Num="5" zHalfNm="186.957" Error="1.266">
-63.553 -10.338 3.123 0.802 -0.519
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.86" EndDistance="6480.001" A="-9.6807011E12" B="2.98787046E9" C="-230543.33" Error="0.0052"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6491.813" A="-5.6610359E12" B="1.74723328E9" C="-134815.14" Error="5.58E-4"/>
<QuasiParabolic ID="2" StartDistance="6491.813" EndDistance="6503.626" A="0.0" B="19588.094" C="-1.2227548" Error="0.00361"/>
<QuasiParabolic ID="3" StartDistance="6503.626" EndDistance="6514.0" A="-7.5067484E11" B="2.29088944E8" C="-17475.37" Error="0.00415"/>
<QuasiParabolic ID="4" StartDistance="6514.0" EndDistance="6517.0" A="5.9355534E13" B="-1.82253814E10" C="1399048.2" Error="0.00858"/>
<QuasiParabolic ID="5" StartDistance="6517.0" EndDistance="6538.0" A="6.9825782E12" B="-2.15266176E9" C="165910.38" Error="0.00551"/>
<QuasiParabolic ID="6" StartDistance="6538.0" EndDistance="6572.0" A="1.4719092E13" B="-4.5192919E9" C="346900.75" Error="0.00742"/>
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<QuasiParabolic ID="8" StartDistance="6581.0" EndDistance="6585.924" A="-7.6456214E13" B="2.32180675E10" C="-1762665.5" Error="8.71E-5"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="35.439" Depth="0.157"/>
<TopsideChapman PeakHeight="215.924" PeakDensity="476923.06" PeakScaleHeight="21.854" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
