<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-24 -083 03:30:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: F2x cusp not found, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.24 (083) 03:30:00</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">
FF202608303240330001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.350" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.229" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.816" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.500" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.500" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.800" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="280.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="280.000" 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="0.175" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.200" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="343.125" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.500" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.500" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="294.511" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="264.752" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.051" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="42.581" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.333" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.397" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="41.870" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.200" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="35">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.5 2.525 2.55 2.575 2.6 2.625 2.65 2.675 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
280.000 281.250 282.500 285.000 287.500 290.000 291.250 292.500 295.000 295.000 297.333 299.667 302.000 304.333 306.667 309.000 311.333 313.667 316.000 318.333 320.667 323.000 325.333 327.667 330.000 332.500 335.000 339.063 343.125 347.188 351.250 356.659 362.872 370.083 378.553
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 0 66 0 66 63 0 66 66 66 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90 0 93 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="543">
<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">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="3.35" PeakHeight="294.511" Num="5" zHalfNm="264.752" Error="1.392">
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</ShiftedChebyshev>
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<QuasiParabolic ID="3" StartDistance="6554.093" EndDistance="6556.0" A="3.0764284E12" B="-9.3862534E8" C="71594.23" Error="0.0"/>
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<ProfileValley Model="ULCAR" Width="111.14" Depth="0.154"/>
<TopsideChapman PeakHeight="294.511" PeakDensity="139236.97" PeakScaleHeight="22.397" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
