<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-08 -128 21:30:00.000"
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="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: 40% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.08 (128) 21:30:00</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">
FF202612805082130001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.525" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.793" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="20.956" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.775" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.775" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.225" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="192.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="192.500" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.125" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="245.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.565" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.775" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.775" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="221.095" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="194.527" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.071" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="37.627" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.185" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.291" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="31.740" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.760" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="111">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
192.500 192.917 193.333 193.750 194.167 194.583 195.000 195.000 195.000 195.000 197.500 197.500 197.500 200.000 201.250 202.500 200.000 197.500 197.500 197.500 197.500 197.500 197.500 200.000 200.000 200.000 200.000 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 205.000 205.000 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 207.500 207.500 210.000 210.000 210.000 210.000 210.000 210.000 212.500 212.500 212.500 212.500 215.000 215.000 215.000 215.000 215.000 217.500 217.500 220.000 220.000 220.000 220.000 220.000 222.500 222.500 222.500 222.500 225.000 225.000 226.250 227.500 230.000 230.000 230.000 232.500 232.500 235.000 235.000 237.500 237.500 240.000 242.500 242.500 245.000 245.000 245.000 250.000 250.000 252.500 255.000 257.500 260.000 262.500 265.000 267.500 270.000 272.500 277.751 284.452 293.298 305.515 323.487
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
27 0 0 0 0 0 48 51 57 60 54 57 81 66 0 69 75 84 99 99 87 87 99 102 105 102 87 72 63 63 66 72 75 75 66 66 63 63 48 48 57 54 66 66 78 78 102 105 81 81 78 78 81 84 81 81 81 84 84 87 84 84 84 84 84 84 72 66 45 45 57 57 78 81 69 66 81 81 66 69 75 78 78 78 90 90 90 90 78 78 90 93 90 90 102 99 84 84 87 90 90 90 87 87 87 84 84 78 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="473">
<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="0.565" PeakHeight="110.0" Num="3" Error="0.0">
-23.247 5.022 -0.517
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.565" EndFrequency="5.525" PeakHeight="221.095" Num="5" zHalfNm="194.527" Error="0.836">
-61.122 12.551 -7.104 2.196 0.134
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.9893" EndDistance="6480.001" A="-1.39733513E12" B="4.31276256E8" C="-33277.17" Error="0.0221"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6499.25" A="-7.3859459E11" B="2.27961296E8" C="-17589.287" Error="4.85E-4"/>
<QuasiParabolic ID="2" StartDistance="6499.25" EndDistance="6518.5" A="0.0" B="-18243.217" C="2.9718888" Error="0.0508"/>
<QuasiParabolic ID="3" StartDistance="6518.5" EndDistance="6531.0" A="8.5730139E11" B="-2.63074048E8" C="20182.094" Error="0.0584"/>
<QuasiParabolic ID="4" StartDistance="6531.0" EndDistance="6535.0" A="-2.50261563E12" B="7.6583949E8" C="-58589.42" Error="0.00622"/>
<QuasiParabolic ID="5" StartDistance="6535.0" EndDistance="6551.0" A="1.44843892E13" B="-4.432938E9" C="339174.72" Error="0.0742"/>
<QuasiParabolic ID="6" StartDistance="6551.0" EndDistance="6554.0" A="1.09578155E14" B="-3.34647706E10" C="2555007.0" Error="0.0136"/>
<QuasiParabolic ID="7" StartDistance="6554.0" EndDistance="6560.0" A="1.15230248E14" B="-3.5189547E10" C="2686588.8" Error="0.00795"/>
<QuasiParabolic ID="8" StartDistance="6560.0" EndDistance="6591.095" A="-4.0584052E13" B="1.23148124E10" C="-934170.3" Error="0.0113"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="57.75" Depth="0.159"/>
<TopsideChapman PeakHeight="221.095" PeakDensity="378729.84" PeakScaleHeight="20.291" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
