<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-27 -147 01:05:00.000"
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="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" >
2026.05.27 (147) 01:05:00</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">
FF202614705270105001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.700" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.321" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.286" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.075" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="265.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="265.000" 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="86" Val="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.400" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="305.950" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="285.763" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="258.895" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.564" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.456" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.475" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.477" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="36.660" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.490" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="29">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.4 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
265.000 267.500 270.000 270.000 270.000 272.500 275.000 277.500 282.500 285.000 287.500 292.500 295.000 297.500 297.500 302.500 305.950 309.745 313.940 318.600 323.808 329.666 336.304 343.890 352.642 362.850 374.913 389.384 407.066
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 78 78 93 93 93 93 93 93 96 93 90 90 93 93 96 96 96 96 81 81 78 75 75 72 69 72 72 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="512">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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</AltitudeList>
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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="3.7" PeakHeight="285.763" Num="5" zHalfNm="258.895" Error="2.91">
-68.881 3.445 -3.299 1.658 -0.186
</ShiftedChebyshev>
</ShiftedChebyshevList>
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<QuasiParabolic ID="2" StartDistance="6516.167" EndDistance="6552.333" A="0.0" B="512.3806" C="-0.038599506" Error="0.01"/>
<QuasiParabolic ID="3" StartDistance="6552.333" EndDistance="6554.0" A="-2.00303143E12" B="6.1118835E8" C="-46623.188" Error="0.0287"/>
<QuasiParabolic ID="4" StartDistance="6554.0" EndDistance="6578.0" A="7.3112977E10" B="-2.2361974E7" C="1709.9165" Error="0.0398"/>
<QuasiParabolic ID="5" StartDistance="6578.0" EndDistance="6579.0" A="-7.6399084E11" B="2.3215424E8" C="-17636.102" Error="0.0"/>
<QuasiParabolic ID="6" StartDistance="6579.0" EndDistance="6580.0" A="8.3367507E11" B="-2.5353232E8" C="19275.781" Error="0.0"/>
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<ProfileValley Model="ULCAR" Width="108.5" Depth="0.154"/>
<TopsideChapman PeakHeight="285.763" PeakDensity="169851.11" PeakScaleHeight="20.477" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
