<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-23 -082 05:35:00.000"
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 F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.23 (082) 05:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608203230535001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.550" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.353" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.254" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.875" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="247.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="247.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.300" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="315.480" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="278.141" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="246.854" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.790" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="44.576" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.538" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.710" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="39.480" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.120" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="102">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
247.500 247.500 247.500 247.500 247.500 247.500 248.333 249.167 250.000 250.000 250.000 250.000 250.000 250.000 250.000 250.000 251.250 252.500 253.000 253.500 254.000 254.500 255.000 255.000 255.000 255.000 255.000 257.500 257.500 257.500 257.500 257.500 257.500 260.000 260.000 260.000 260.000 260.000 260.000 260.000 260.833 261.667 262.500 262.500 262.500 262.500 265.000 266.250 267.500 267.500 267.500 267.500 267.500 270.000 270.000 270.000 270.000 272.500 272.500 272.500 275.000 275.000 275.500 276.000 276.500 277.000 277.500 278.333 279.167 280.000 281.500 283.000 284.500 286.000 287.500 288.571 289.643 290.714 291.786 292.857 293.929 295.000 297.500 297.500 300.000 302.500 305.000 306.250 307.500 309.897 312.544 315.480 318.757 322.437 326.600 331.348 336.812 343.168 350.655 359.602 370.485 384.007
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 78 0 78 0 93 0 0 66 66 0 54 66 66 0 63 0 0 0 0 0 0 63 66 69 72 72 66 0 72 84 84 60 54 42 0 0 0 66 66 0 0 93 93 93 93 96 0 87 96 96 96 96 93 96 96 96 90 81 81 78 81 0 0 0 0 66 0 0 63 0 0 0 0 81 0 0 0 0 0 0 78 93 93 93 96 99 0 87 87 96 96 84 0 69 69 45 0 0 0 57 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="570">
<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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<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="4.55" PeakHeight="278.141" Num="5" zHalfNm="246.854" Error="0.933">
-78.016 10.311 -6.261 1.868 0.207
</ShiftedChebyshev>
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<ProfileValley Model="ULCAR" Width="96.25" Depth="0.154"/>
<TopsideChapman PeakHeight="278.141" PeakDensity="256854.84" PeakScaleHeight="23.71" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
