<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-19 -078 03:00:00.000"
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: 80% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.19 (078) 03:00:00</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">
FF202607803190300001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.825" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.552" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="20.688" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.250" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.250" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.125" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.725" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="305.933" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.250" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.250" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="272.867" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="253.084" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.224" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.397" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.695" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.534" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.210" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.470" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="144">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
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</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 0 0 63 72 69 69 72 0 81 75 90 87 0 0 72 75 75 75 72 69 69 72 48 51 36 30 51 57 0 69 81 0 105 105 96 96 0 0 93 0 90 93 93 0 0 93 102 105 93 87 87 87 84 81 75 78 90 84 84 0 0 0 102 0 108 111 0 108 96 96 0 93 87 93 105 105 96 0 78 0 0 90 0 78 0 78 54 0 0 66 90 90 0 0 99 102 96 99 0 84 93 81 102 93 60 60 66 66 0 54 63 66 0 0 0 0 0 60 99 0 0 0 0 93 54 0 0 0 0 0 0 57 0 63 0 60 0 0 96 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="428">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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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">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="5.825" PeakHeight="272.867" Num="5" zHalfNm="253.084" Error="1.387">
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</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
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<QuasiParabolic ID="2" StartDistance="6511.5" EndDistance="6543.0" A="0.0" B="691.29315" C="-0.0661402" Error="0.0122"/>
<QuasiParabolic ID="3" StartDistance="6543.0" EndDistance="6574.0" A="3.7703283E10" B="-1.1614258E7" C="894.411" Error="0.0122"/>
<QuasiParabolic ID="4" StartDistance="6574.0" EndDistance="6575.0" A="2.76150815E13" B="-8.4014464E9" C="639001.5" Error="9.42E-10"/>
<QuasiParabolic ID="5" StartDistance="6575.0" EndDistance="6577.0" A="1.55344804E12" B="-4.73953312E8" C="36150.324" Error="0.00151"/>
<QuasiParabolic ID="6" StartDistance="6577.0" EndDistance="6584.0" A="5.5751832E12" B="-1.69692288E9" C="129123.53" Error="0.00747"/>
<QuasiParabolic ID="7" StartDistance="6584.0" EndDistance="6607.0" A="1.5147688E13" B="-4.6047309E9" C="349947.38" Error="0.035"/>
<QuasiParabolic ID="8" StartDistance="6607.0" EndDistance="6637.0" A="2.28110704E13" B="-6.9245076E9" C="525501.8" Error="0.0162"/>
<QuasiParabolic ID="9" StartDistance="6637.0" EndDistance="6642.867" A="-1.90113389E14" B="5.7238352E10" C="-4308223.0" Error="0.00316"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="94.5" Depth="0.154"/>
<TopsideChapman PeakHeight="272.867" PeakDensity="420975.5" PeakScaleHeight="14.534" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
