<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-05 -125 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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 80% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.05 (125) 01:05:00</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">
FF202612505050105001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.300" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.579" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.970" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.625" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="232.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="232.500" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.975" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="278.332" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="259.290" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="231.677" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.564" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="39.221" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.057" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="21.238" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.960" 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="95">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 235.000 235.000 237.500 237.500 237.500 237.500 237.500 237.500 240.000 240.000 240.000 240.000 240.000 240.000 242.500 242.500 242.500 242.500 242.500 242.500 245.000 245.000 245.000 245.000 245.000 245.000 245.000 247.500 247.500 247.500 247.500 250.000 250.000 250.000 250.000 252.500 252.500 252.500 255.000 255.000 255.000 255.000 257.500 257.500 257.500 257.500 257.500 260.000 260.000 260.293 260.601 260.925 261.267 261.627 262.009 262.413 262.841 263.296 263.781 264.297 264.850 265.442 266.078 266.763 267.503 268.304 269.176 270.126 271.168 272.313 273.580 274.988 276.561 278.332 280.339 282.634 285.282 288.374 292.029 296.418 301.786 308.502 317.146 328.689 344.881 369.241 410.033
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 60 60 84 84 99 99 102 102 99 96 99 102 102 102 99 96 99 99 102 102 90 84 75 78 78 75 75 69 84 87 72 72 69 66 81 81 108 108 108 108 108 108 105 108 108 102 93 96 96 93 87 87 87 84 99 99 96 96 72 69 60 57 81 81 105 105 105 105 90 84 90 81 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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="522">
<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="5.3" PeakHeight="259.29" Num="5" zHalfNm="231.677" Error="1.263">
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</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
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<QuasiParabolic ID="3" StartDistance="6537.167" EndDistance="6565.0" A="5.7563415E10" B="-1.7700676E7" C="1360.7393" Error="0.00448"/>
<QuasiParabolic ID="4" StartDistance="6565.0" EndDistance="6566.0" A="1.11103663E13" B="-3.38489114E9" C="257810.88" Error="2.38E-10"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="85.75" Depth="0.154"/>
<TopsideChapman PeakHeight="259.29" PeakDensity="348511.16" PeakScaleHeight="21.238" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
