<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-09 -129 01:30:00.000"
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: 90% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.09 (129) 01:30:00</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">
FF202612905090130001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.461" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.711" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.700" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.700" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.675" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="245.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="245.000" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.975" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="292.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.700" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.700" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="268.984" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="240.343" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.399" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="40.760" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.065" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.210" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.040" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.990" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="63">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 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 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
245.000 245.000 245.000 247.500 247.500 247.500 247.500 248.333 249.167 250.000 250.000 252.500 252.500 252.500 252.500 252.500 252.500 255.000 255.000 255.000 255.000 257.500 257.500 257.500 260.000 260.000 262.500 262.500 262.500 262.500 265.000 265.000 265.000 267.500 267.500 270.000 270.000 272.500 272.500 272.500 275.000 277.500 277.500 280.000 280.000 282.500 282.500 287.500 287.500 290.000 290.000 292.500 300.000 302.118 304.654 307.745 311.597 316.528 323.067 332.154 345.637 367.727 410.523
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
42 42 45 45 48 36 36 0 0 63 75 69 78 93 93 108 105 105 105 105 99 99 102 114 114 117 114 84 84 117 114 99 96 78 87 87 93 90 93 93 93 78 78 72 72 84 84 105 108 72 75 99 99 99 99 75 78 96 96 96 96 96 78
</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="531">
<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">
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</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="4.25" PeakHeight="268.984" Num="5" zHalfNm="240.343" Error="1.397">
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</ShiftedChebyshev>
</ShiftedChebyshevList>
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<QuasiParabolic ID="2" StartDistance="6511.5" EndDistance="6543.0" A="0.0" B="-791.3225" C="0.16155168" Error="0.0152"/>
<QuasiParabolic ID="3" StartDistance="6543.0" EndDistance="6570.0" A="5.6511226E10" B="-1.7349194E7" C="1331.585" Error="0.0152"/>
<QuasiParabolic ID="4" StartDistance="6570.0" EndDistance="6573.0" A="-2.80534745E11" B="8.525232E7" C="-6476.749" Error="0.00321"/>
<QuasiParabolic ID="5" StartDistance="6573.0" EndDistance="6582.0" A="5.3859225E12" B="-1.63890944E9" C="124678.11" Error="0.015"/>
<QuasiParabolic ID="6" StartDistance="6582.0" EndDistance="6590.0" A="6.6320471E12" B="-2.01755558E9" C="153441.88" Error="0.00982"/>
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<QuasiParabolic ID="8" StartDistance="6596.0" EndDistance="6610.0" A="3.728894E13" B="-1.13155533E10" C="858444.56" Error="0.0146"/>
<QuasiParabolic ID="9" StartDistance="6610.0" EndDistance="6621.0" A="-3.43159582E13" B="1.03500749E10" C="-780407.75" Error="0.00757"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="94.5" Depth="0.154"/>
<TopsideChapman PeakHeight="268.984" PeakDensity="224100.5" PeakScaleHeight="22.21" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
