<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-08 -098 07:45:00.000"
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: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.08 (098) 07:45:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609804080745001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.525" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.467" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.221" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.875" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="250.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="250.000" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.350" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="301.116" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.425" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.425" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="268.354" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="241.171" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.736" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.771" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.361" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="21.117" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.140" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.410" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="45">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.425 2.45 2.475 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 3.375 3.4 3.425 3.45 3.475 3.5 3.525
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
250.000 250.000 251.250 252.500 252.500 252.500 252.500 255.000 255.000 255.000 257.500 257.500 257.500 260.000 260.000 262.500 262.500 262.500 263.750 265.000 266.250 267.500 268.750 270.000 271.250 272.500 275.000 275.000 277.500 280.000 280.000 282.500 285.000 287.500 290.000 293.179 296.844 301.116 306.159 312.202 319.576 328.774 340.569 356.243 378.083
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 69 0 69 72 72 72 72 72 72 72 75 72 72 63 60 48 48 66 0 0 0 0 0 81 84 93 96 99 96 96 96 99 99 96 96 93 0 0 90 90 87 75 75 75
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 -10.9375 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="500">
<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="3.525" PeakHeight="268.354" Num="5" zHalfNm="241.171" Error="1.641">
-66.421 10.569 -6.739 3.391 -1.154
</ShiftedChebyshev>
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<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0205" EndDistance="6480.001" A="-5.5027394E11" B="1.69837632E8" C="-13104.63" Error="0.0016"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6512.667" A="-1.42344143E11" B="4.3933376E7" C="-3389.796" Error="0.00162"/>
<QuasiParabolic ID="2" StartDistance="6512.667" EndDistance="6545.333" A="0.0" B="-663.4644" C="0.14190045" Error="0.0134"/>
<QuasiParabolic ID="3" StartDistance="6545.333" EndDistance="6577.0" A="5.2480246E10" B="-1.6109438E7" C="1236.2609" Error="0.0134"/>
<QuasiParabolic ID="4" StartDistance="6577.0" EndDistance="6587.0" A="5.6915735E12" B="-1.73090125E9" C="131599.03" Error="0.0123"/>
<QuasiParabolic ID="5" StartDistance="6587.0" EndDistance="6593.0" A="6.3314959E12" B="-1.9252E9" C="146347.67" Error="0.0053"/>
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<QuasiParabolic ID="7" StartDistance="6599.0" EndDistance="6609.0" A="2.89571498E13" B="-8.7844147E9" C="666209.25" Error="0.00955"/>
<QuasiParabolic ID="8" StartDistance="6609.0" EndDistance="6638.354" A="-1.6044621E13" B="4.8339154E9" C="-364077.47" Error="0.0148"/>
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<ProfileValley Model="ULCAR" Width="98.0" Depth="0.154"/>
<TopsideChapman PeakHeight="268.354" PeakDensity="154164.08" PeakScaleHeight="21.117" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
