<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-26 -146 09:05:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 45% PACIFIC flags: F2o cusp not found, Multiple candidates for F2x cusp, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.26 (146) 09:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" 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">
FF202614605260905001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.243" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="7.298" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.125" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.125" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="2.550" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="333.759" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="333.759" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.150" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="340.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.394" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.125" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.125" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="286.359" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="248.775" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.156" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="52.970" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.768" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="28.185" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="54.410" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.010" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="6">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.125 2.15 2.175 2.2 2.225 2.25
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
333.759 340.000 350.000 360.000 375.000 393.953
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-9.375 -3.125 -3.125 -3.125 -3.125 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="587">
<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="0.394" PeakHeight="110.0" Num="3" Error="0.0">
-20.051 3.022 -0.208
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.394" EndFrequency="2.25" PeakHeight="286.359" Num="5" zHalfNm="248.775" Error="0.435">
-84.199 -0.785 0.521 -0.314 0.127
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" EarthRadius="6370.0">
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<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6510.57" A="-2.19567407E11" B="6.776772E7" C="-5228.8354" Error="0.00258"/>
<QuasiParabolic ID="2" StartDistance="6510.57" EndDistance="6541.139" A="0.0" B="-67.50819" C="0.05032056" Error="0.00121"/>
<QuasiParabolic ID="3" StartDistance="6541.139" EndDistance="6542.0" A="3.40782796E12" B="-1.0420007E9" C="79652.35" Error="0.0"/>
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<QuasiParabolic ID="5" StartDistance="6544.0" EndDistance="6570.0" A="9.228356E10" B="-2.8309856E7" C="2171.174" Error="0.0188"/>
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<QuasiParabolic ID="10" StartDistance="6615.0" EndDistance="6638.0" A="-4.20429E10" B="8766956.0" C="-362.31696" Error="0.0116"/>
<QuasiParabolic ID="11" StartDistance="6638.0" EndDistance="6656.359" A="-4.6935593E12" B="1.41024819E9" C="-105927.336" Error="0.0044"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="91.709" Depth="0.194"/>
<TopsideChapman PeakHeight="286.359" PeakDensity="62810.17" PeakScaleHeight="28.185" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
