<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-25 -298 08:05:00.000"
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="20.0">
<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: F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.10.25 (298) 08:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.32" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.06" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="62.486557" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202629810250805001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.750" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.606" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.521" 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="4.150" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="225.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="225.000" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.600" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="286.018" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.615" 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="245.165" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="218.264" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.292" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.106" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.522" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.440" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.530" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.980" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="54">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
225.000 225.833 226.667 227.500 227.500 227.500 230.000 230.000 230.000 232.500 232.500 232.500 233.750 235.000 235.000 237.500 237.500 237.500 240.000 241.250 242.500 243.750 245.000 246.250 247.500 248.750 250.000 251.250 252.500 253.750 255.000 256.250 257.500 258.750 260.000 260.000 262.500 265.000 265.000 267.500 270.000 270.000 272.500 275.000 277.500 280.000 282.500 286.018 290.228 295.354 301.732 309.886 320.676 335.628
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 0 0 0 0 0 0 0 60 0 60 0 0 63 0 0 39 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 69 0 72 81 84 69 72 69 72 69 69 57 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="474">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.615" PeakHeight="110.0" Num="3" Error="0.0">
-23.838 5.495 -0.611
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.615" EndFrequency="3.75" PeakHeight="245.165" Num="5" zHalfNm="218.264" Error="1.215">
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</ShiftedChebyshev>
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<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.986" EndDistance="6480.001" A="-1.65456459E12" B="5.10668064E8" C="-39403.023" Error="0.0333"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6506.833" A="-7.3918677E11" B="2.28144064E8" C="-17603.33" Error="0.0131"/>
<QuasiParabolic ID="2" StartDistance="6506.833" EndDistance="6533.667" A="0.0" B="4284.555" C="-0.57961166" Error="0.0217"/>
<QuasiParabolic ID="3" StartDistance="6533.667" EndDistance="6535.0" A="-1.51853854E13" B="4.6473068E9" C="-355563.12" Error="0.0397"/>
<QuasiParabolic ID="4" StartDistance="6535.0" EndDistance="6546.0" A="9.9761095E11" B="-3.05408448E8" C="23374.514" Error="0.0768"/>
<QuasiParabolic ID="5" StartDistance="6546.0" EndDistance="6556.0" A="-3.83945081E11" B="1.16698504E8" C="-8867.08" Error="0.0186"/>
<QuasiParabolic ID="6" StartDistance="6556.0" EndDistance="6566.0" A="5.9655633E12" B="-1.82030822E9" C="138860.7" Error="0.0708"/>
<QuasiParabolic ID="7" StartDistance="6566.0" EndDistance="6590.0" A="1.69412856E13" B="-5.1635072E9" C="393444.88" Error="0.0748"/>
<QuasiParabolic ID="8" StartDistance="6590.0" EndDistance="6615.165" A="-1.90505749E13" B="5.7596677E9" C="-435324.1" Error="0.014"/>
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<ProfileValley Model="ULCAR" Width="80.5" Depth="0.336"/>
<TopsideChapman PeakHeight="245.165" PeakDensity="174472.7" PeakScaleHeight="20.44" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
