<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-13 -103 03:30:00.000"
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="15.0">
<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: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.13 (103) 03:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610304130330001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.375" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.285" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.086" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.550" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.550" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.675" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="277.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="277.500" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.125" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="316.163" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.550" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.550" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="291.930" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="262.720" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.536" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="41.790" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.345" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.478" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="38.970" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.810" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="34">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.55 2.575 2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225 3.25 3.275 3.3 3.325 3.35 3.375
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
277.500 277.500 280.000 280.000 282.500 282.500 283.750 285.000 285.000 287.500 290.000 291.667 293.333 295.000 296.667 298.333 300.000 301.667 303.333 305.000 307.347 309.957 312.876 316.163 319.893 324.161 329.094 334.857 341.683 349.893 359.957 372.582 388.889 410.762
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 69 69 69 66 66 0 63 66 66 66 0 0 42 0 0 0 0 0 78 78 81 81 105 108 96 0 0 0 87 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-1.5625 1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 7.8125 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="542">
<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="0.354" PeakHeight="110.0" Num="3" Error="0.0">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="3.375" PeakHeight="291.93" Num="5" zHalfNm="262.72" Error="2.06">
-73.07 6.148 -4.52 2.404 -0.84
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0205" EndDistance="6480.001" A="-5.5027394E11" B="1.69837632E8" C="-13104.63" Error="0.0016"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6517.351" A="-1.09026804E11" B="3.3650248E7" C="-2596.3445" Error="0.00178"/>
<QuasiParabolic ID="2" StartDistance="6517.351" EndDistance="6554.701" A="0.0" B="-743.5762" C="0.1541281" Error="0.0172"/>
<QuasiParabolic ID="3" StartDistance="6554.701" EndDistance="6588.0" A="4.1761784E10" B="-1.2805121E7" C="981.6032" Error="0.0172"/>
<QuasiParabolic ID="4" StartDistance="6588.0" EndDistance="6591.0" A="-1.9704483E11" B="5.9692332E7" C="-4520.6323" Error="0.00161"/>
<QuasiParabolic ID="5" StartDistance="6591.0" EndDistance="6594.0" A="5.6313203E12" B="-1.7088905E9" C="129645.875" Error="0.0138"/>
<QuasiParabolic ID="6" StartDistance="6594.0" EndDistance="6597.0" A="1.7908446E12" B="-5.4405114E8" C="41320.168" Error="0.00692"/>
<QuasiParabolic ID="7" StartDistance="6597.0" EndDistance="6612.0" A="4.18503328E12" B="-1.26989286E9" C="96333.18" Error="0.0176"/>
<QuasiParabolic ID="8" StartDistance="6612.0" EndDistance="6635.0" A="1.17238588E13" B="-3.55023923E9" C="268773.2" Error="0.0148"/>
<QuasiParabolic ID="9" StartDistance="6635.0" EndDistance="6661.93" A="-1.33733621E13" B="4.01486131E9" C="-301317.28" Error="0.00695"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="112.052" Depth="0.154"/>
<TopsideChapman PeakHeight="291.93" PeakDensity="141322.89" PeakScaleHeight="22.478" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
