<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-10 -130 21:15:00.000"
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: 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" >
2026.05.10 (130) 21:15:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202613005102115001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.025" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.854" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="19.365" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.325" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="200.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="200.000" 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="0.200" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.600" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="232.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.726" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="221.779" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="195.772" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.427" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="37.213" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.690" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.639" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.000" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="5.170" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="81">
<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" >
54 57 75 69 66 66 66 51 75 72 72 69 78 90 81 81 78 66 48 45 51 51 0 48 51 45 54 54 54 54 51 48 72 75 78 75 87 78 63 66 81 78 99 93 60 75 75 78 72 75 75 78 90 87 87 81 60 48 39 33 54 57 84 87 87 90 81 78 69 66 75 75 69 78 99 93 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="471">
<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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</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.726" PeakHeight="110.0" Num="3" Error="0.0">
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</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.726" EndFrequency="5.025" PeakHeight="221.779" Num="5" zHalfNm="195.772" Error="0.946">
-57.765 15.414 -9.396 4.062 -1.094
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0283" EndDistance="6480.001" A="-2.31587788E12" B="7.1477715E8" C="-55152.03" Error="0.0184"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6501.0" A="-1.19664266E12" B="3.69334176E8" C="-28497.48" Error="0.00117"/>
<QuasiParabolic ID="2" StartDistance="6501.0" EndDistance="6522.0" A="0.0" B="2851.2124" C="-0.20887159" Error="0.00499"/>
<QuasiParabolic ID="3" StartDistance="6522.0" EndDistance="6539.0" A="1.73036044E11" B="-5.3569012E7" C="4145.8706" Error="0.00525"/>
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<QuasiParabolic ID="5" StartDistance="6544.0" EndDistance="6545.0" A="7.320302E13" B="-2.23743898E10" C="1709674.9" Error="3.87E-10"/>
<QuasiParabolic ID="6" StartDistance="6545.0" EndDistance="6553.0" A="1.7070487E13" B="-5.22159E9" C="399300.62" Error="0.0199"/>
<QuasiParabolic ID="7" StartDistance="6553.0" EndDistance="6556.0" A="3.8748889E13" B="-1.18379192E10" C="904132.7" Error="0.00788"/>
<QuasiParabolic ID="8" StartDistance="6556.0" EndDistance="6567.0" A="9.9985639E13" B="-3.05190523E10" C="2328868.2" Error="0.027"/>
<QuasiParabolic ID="9" StartDistance="6567.0" EndDistance="6572.0" A="-1.85857395E14" B="5.6535323E10" C="-4299301.0" Error="0.0211"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="63.0" Depth="0.247"/>
<TopsideChapman PeakHeight="221.779" PeakDensity="313283.2" PeakScaleHeight="20.639" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
