<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-17 -076 07:10:00.000"
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: One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.17 (076) 07:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" 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">
FF202607603170710001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.775" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.325" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.551" 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="4.100" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="260.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="260.000" 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="3.650" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="333.497" 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="283.021" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="253.654" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.051" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="42.038" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.676" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.478" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="39.760" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.620" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="44">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
260.000 260.000 262.500 265.000 265.000 267.500 267.500 270.000 271.458 272.917 274.375 275.833 277.292 278.750 280.208 281.667 283.125 284.583 286.042 287.500 290.000 292.500 295.000 297.500 297.500 297.500 300.000 302.500 307.500 308.938 310.526 312.289 314.258 316.471 318.976 321.836 325.131 328.970 333.497 338.918 345.526 353.758 364.297 378.271
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 69 72 57 63 48 48 57 0 0 0 0 0 0 0 0 0 0 0 90 0 78 0 87 0 93 96 96 93 93 96 87 87 87 87 81 81 78 81 84 81 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="542">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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<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="3.775" PeakHeight="283.021" Num="5" zHalfNm="253.654" Error="1.564">
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</ShiftedChebyshev>
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<ProfileValley Model="ULCAR" Width="102.822" Depth="0.154"/>
<TopsideChapman PeakHeight="283.021" PeakDensity="176806.77" PeakScaleHeight="22.478" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
