<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-24 -297 08:20:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: F2o cusp not found, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.10.24 (297) 08:20:00</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">
FF202629710240820001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="5.275" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.562" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.789" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="4.500" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="4.500" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.550" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="270.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="270.000" 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="88" Val="5.175" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="303.522" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.795" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="4.500" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="4.500" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="249.208" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="222.228" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.397" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.133" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.999" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.918" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="39.870" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.840" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="32">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
270.000 270.714 271.429 272.143 272.857 273.571 274.286 275.000 275.833 276.667 277.500 278.750 280.000 281.250 282.500 283.750 285.000 286.250 287.115 288.082 289.169 290.401 291.809 293.432 295.326 297.562 300.245 303.522 307.614 312.871 319.870 329.652
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 93 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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="493">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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<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="0.795" PeakHeight="110.0" Num="3" Error="0.0">
-25.374 6.842 -0.912
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.795" EndFrequency="5.275" PeakHeight="249.208" Num="5" zHalfNm="222.228" Error="0.937">
-63.142 -3.583 2.409 -1.385 0.516
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<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.048" EndDistance="6480.001" A="-2.78242473E12" B="8.5877306E8" C="-66262.73" Error="0.0151"/>
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<QuasiParabolic ID="2" StartDistance="6504.674" EndDistance="6529.349" A="0.0" B="4071.982" C="-0.44903943" Error="0.00802"/>
<QuasiParabolic ID="3" StartDistance="6529.349" EndDistance="6552.0" A="3.99239348E11" B="-1.22852464E8" C="9450.903" Error="0.00545"/>
<QuasiParabolic ID="4" StartDistance="6552.0" EndDistance="6553.0" A="-3.21360835E12" B="9.7997037E8" C="-74708.35" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6553.0" EndDistance="6555.0" A="3.13144283E13" B="-9.5581143E9" C="729357.4" Error="0.016"/>
<QuasiParabolic ID="6" StartDistance="6555.0" EndDistance="6561.0" A="5.8882093E12" B="-1.80030605E9" C="137609.94" Error="0.00647"/>
<QuasiParabolic ID="7" StartDistance="6561.0" EndDistance="6593.0" A="1.64887433E13" B="-5.0316836E9" C="383866.4" Error="0.0182"/>
<QuasiParabolic ID="8" StartDistance="6593.0" EndDistance="6610.0" A="-5.5203799E12" B="1.64482906E9" C="-122467.016" Error="0.0066"/>
<QuasiParabolic ID="9" StartDistance="6610.0" EndDistance="6619.208" A="-6.054206E13" B="1.82928425E10" C="-1381772.0" Error="0.00226"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="74.023" Depth="0.376"/>
<TopsideChapman PeakHeight="249.208" PeakDensity="345231.1" PeakScaleHeight="19.918" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
