<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-14 -104 21:35:00.000"
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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.14 (104) 21:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610404142135001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="6.450" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.055" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="26.155" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="195.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="195.000" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="6.250" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="235.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.755" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="208.341" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="191.670" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="7.010" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="23.817" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.825" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.845" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="22.040" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.900" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="178">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225 3.25 3.275 3.3 3.325 3.35 3.375 3.4 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05 6.075 6.1 6.125 6.15 6.175 6.2 6.225 6.25 6.275 6.3 6.325 6.35 6.375 6.4 6.425 6.45
</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" >
57 54 57 54 66 69 66 69 57 60 45 45 45 48 57 60 63 63 75 75 63 63 63 63 63 63 63 63 63 63 60 63 36 36 33 30 0 0 0 0 0 0 78 78 66 72 72 72 72 75 84 84 72 72 75 72 84 84 72 72 75 75 51 48 57 57 57 51 51 0 0 0 0 0 72 75 75 75 75 75 102 102 78 78 78 75 72 75 66 66 69 69 69 72 84 84 60 57 45 45 45 45 66 66 81 81 81 84 72 75 87 87 93 93 96 96 96 96 96 96 99 99 84 84 105 105 96 96 99 99 87 87 99 96 96 99 111 111 99 96 96 96 96 96 96 93 69 69 96 96 96 93 96 96 96 93 93 93 93 90 93 93 93 93 90 93 102 93 90 87 90 90 90 90 87 84 78 72
</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="343">
<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="0.755" PeakHeight="110.0" Num="3" Error="0.0">
-25.094 6.587 -0.853
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.755" EndFrequency="6.45" PeakHeight="208.341" Num="5" zHalfNm="191.67" Error="0.576">
-40.75 3.59 -2.73 1.414 -0.365
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.036" EndDistance="6480.001" A="-2.50700366E12" B="7.7376653E8" C="-59703.637" Error="0.0129"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6499.833" A="-1.3134252E12" B="4.05378144E8" C="-31278.61" Error="4.96E-4"/>
<QuasiParabolic ID="2" StartDistance="6499.833" EndDistance="6519.667" A="0.0" B="-14715.889" C="2.5428417" Error="0.0248"/>
<QuasiParabolic ID="3" StartDistance="6519.667" EndDistance="6529.0" A="1.33554831E12" B="-4.09920704E8" C="31454.582" Error="0.0358"/>
<QuasiParabolic ID="4" StartDistance="6529.0" EndDistance="6538.0" A="-7.2472815E11" B="2.21194784E8" C="-16877.129" Error="0.0108"/>
<QuasiParabolic ID="5" StartDistance="6538.0" EndDistance="6549.0" A="4.1623224E13" B="-1.27332116E10" C="973823.8" Error="0.0273"/>
<QuasiParabolic ID="6" StartDistance="6549.0" EndDistance="6562.0" A="1.25600681E14" B="-3.8379098E10" C="2931824.2" Error="0.0375"/>
<QuasiParabolic ID="7" StartDistance="6562.0" EndDistance="6565.0" A="-7.0545844E13" B="2.14034473E10" C="-1623383.6" Error="6.01E-4"/>
<QuasiParabolic ID="8" StartDistance="6565.0" EndDistance="6578.341" A="-1.42520386E14" B="4.3330191E10" C="-3293356.5" Error="8.76E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="59.5" Depth="0.227"/>
<TopsideChapman PeakHeight="208.341" PeakDensity="516160.06" PeakScaleHeight="12.845" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
