<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-19 -078 23:00:00.000"
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="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: 75% PACIFIC flags: Multiple candidates for F2o cusp, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.19 (078) 23:00:00</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">
FF202607803192300001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.150" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.921" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="20.192" 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="5.500" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="187.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="187.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.825" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="235.000" 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="217.269" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="188.353" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="7.780" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="40.565" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.980" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.365" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="31.020" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="5.690" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="110">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
187.500 187.500 187.500 187.500 187.500 187.500 187.500 187.500 187.500 187.500 187.500 187.500 187.679 187.857 188.036 188.214 188.393 188.571 188.750 188.929 189.107 189.286 189.464 189.643 189.821 190.000 190.833 191.667 192.500 192.500 192.500 192.500 192.500 193.750 195.000 195.000 193.750 192.500 195.000 195.000 195.000 195.000 197.500 197.500 197.500 197.500 197.500 197.500 197.500 200.000 200.000 200.000 200.000 200.417 200.833 201.250 201.667 202.083 202.500 202.500 205.000 205.000 206.250 207.500 207.500 207.500 208.750 210.000 210.000 210.000 210.000 210.000 212.500 212.500 212.500 215.000 215.000 215.000 215.000 215.000 216.250 217.500 220.000 222.500 222.500 222.500 225.000 225.000 227.500 227.500 230.000 230.000 232.500 232.500 235.000 235.000 235.000 237.255 239.796 242.683 245.990 249.816 254.295 259.607 266.012 273.883 283.789 296.637 313.967 338.618
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
51 0 66 0 0 0 54 51 0 54 0 54 0 0 0 0 42 45 0 0 0 0 0 0 0 0 0 0 66 69 0 66 66 0 66 66 0 0 81 81 81 78 66 0 57 57 57 54 54 51 0 54 54 0 0 0 0 0 81 81 78 81 0 60 75 78 0 72 75 78 81 84 81 84 84 81 84 84 72 72 48 45 60 57 60 60 81 84 78 81 78 81 66 69 78 81 93 93 90 93 102 102 87 84 84 0 78 0 0 75
</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="496">
<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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</ProfileValueList>
</Tabulated>
<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="5.15" PeakHeight="217.269" Num="5" zHalfNm="188.353" Error="0.813">
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</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="14" EarthRadius="6370.0">
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<QuasiParabolic ID="2" StartDistance="6498.083" EndDistance="6516.167" A="0.0" B="-2411.1062" C="0.44238427" Error="0.0151"/>
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<QuasiParabolic ID="5" StartDistance="6533.0" EndDistance="6537.0" A="9.4033234E12" B="-2.87880115E9" C="220334.33" Error="0.0197"/>
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<QuasiParabolic ID="8" StartDistance="6544.0" EndDistance="6549.0" A="3.36015781E13" B="-1.02743132E10" C="785391.56" Error="0.0145"/>
<QuasiParabolic ID="9" StartDistance="6549.0" EndDistance="6551.0" A="1.34441226E14" B="-4.1069748E10" C="3136547.0" Error="0.00508"/>
<QuasiParabolic ID="10" StartDistance="6551.0" EndDistance="6553.0" A="2.47897493E14" B="-7.5707589E10" C="5780253.5" Error="0.00543"/>
<QuasiParabolic ID="11" StartDistance="6553.0" EndDistance="6554.0" A="7.0823246E14" B="-2.16203543E11" C="1.6500225E7" Error="0.0"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="54.25" Depth="0.087"/>
<TopsideChapman PeakHeight="217.269" PeakDensity="329063.28" PeakScaleHeight="22.365" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
