<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-29 -088 02:25:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 40% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.29 (088) 02:25:00</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">
FF202608803290225001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="7.550" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.706" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="27.982" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.300" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.300" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="8.325" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="235.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="235.000" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="7.450" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="285.825" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.300" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.300" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="255.025" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="236.467" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.538" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.235" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="4.199" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.858" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="27.680" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.880" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="171">
<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" >
96 75 75 93 0 0 0 84 87 90 90 87 87 84 0 0 0 0 0 0 0 0 0 0 96 108 108 93 0 0 0 0 0 0 0 0 0 96 93 105 102 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90 90 0 93 93 90 69 69 0 0 69 66 66 66 63 63 0 63 66 69 66 66 99 102 99 102 105 102 102 102 66 66 63 63 66 60 57 60 63 63 63 66 99 96 60 63 99 99 96 102 105 105 66 69 102 99 0 63 66 0 0 0 96 96 96 99 102 93 93 99 99 96 99 93 0 90 57 0 96 0 90 0 0 0 0 63 63 63 99 93 84 81 0 0 63 66 102 96 96 0 96 102 102 99 96 0 102 99 93 0 102 105 102 93 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="411">
<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">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="7.55" PeakHeight="255.025" Num="5" zHalfNm="236.467" Error="0.696">
-56.636 -2.415 2.287 -1.096 0.335
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6509.167" A="-1.78385355E11" B="5.5057208E7" C="-4248.116" Error="0.00152"/>
<QuasiParabolic ID="2" StartDistance="6509.167" EndDistance="6538.333" A="0.0" B="-1784.4845" C="0.31416687" Error="0.031"/>
<QuasiParabolic ID="3" StartDistance="6538.333" EndDistance="6567.0" A="7.4836361E10" B="-2.2964748E7" C="1761.7993" Error="0.031"/>
<QuasiParabolic ID="4" StartDistance="6567.0" EndDistance="6568.0" A="2.60007149E13" B="-7.9187707E9" C="602934.75" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6568.0" EndDistance="6574.0" A="8.7328728E12" B="-2.66059699E9" C="202647.5" Error="0.0185"/>
<QuasiParabolic ID="6" StartDistance="6574.0" EndDistance="6582.0" A="2.54296038E13" B="-7.740223E9" C="588989.6" Error="0.0174"/>
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<QuasiParabolic ID="8" StartDistance="6602.0" EndDistance="6616.0" A="4.3028232E13" B="-1.3103189E10" C="997557.1" Error="0.0207"/>
<QuasiParabolic ID="9" StartDistance="6616.0" EndDistance="6625.025" A="-2.32786875E14" B="7.0275015E10" C="-5303698.0" Error="0.0058"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="87.5" Depth="0.154"/>
<TopsideChapman PeakHeight="255.025" PeakDensity="707227.06" PeakScaleHeight="13.858" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
