<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-16 -106 06:10:00.000"
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 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" >
2026.04.16 (106) 06:10:00</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">
FF202610604160610001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.925" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.350" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="9.800" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.275" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="265.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="265.000" 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="2.750" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="313.501" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="283.294" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="253.529" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.285" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="42.505" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.034" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.098" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="38.040" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.230" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="38">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
265.000 265.000 267.500 267.500 268.333 269.167 270.000 272.500 275.000 275.000 277.500 277.500 277.500 280.000 280.000 282.500 285.000 285.000 287.500 287.500 287.500 290.000 291.526 293.219 295.108 297.230 299.631 302.368 305.519 309.184 313.501 318.660 324.935 332.732 342.680 355.813 373.952 400.632
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 75 69 57 0 0 72 69 72 63 63 51 51 45 51 72 72 72 63 69 72 69 72 72 72 72 72 72 75 72 72 60 60 42 39 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
1.5625 1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 10.9375 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="533">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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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="2.925" PeakHeight="283.294" Num="5" zHalfNm="253.529" Error="1.499">
-70.67 10.203 -6.272 2.997 -1.053
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6516.166" A="-1.16248003E11" B="3.5879012E7" C="-2768.317" Error="0.00174"/>
<QuasiParabolic ID="2" StartDistance="6516.166" EndDistance="6552.333" A="0.0" B="474.94125" C="-0.032851577" Error="0.00918"/>
<QuasiParabolic ID="3" StartDistance="6552.333" EndDistance="6554.0" A="-1.78532214E12" B="5.4474784E8" C="-41554.11" Error="0.0263"/>
<QuasiParabolic ID="4" StartDistance="6554.0" EndDistance="6589.0" A="6.4033747E10" B="-1.9596348E7" C="1499.3075" Error="0.0374"/>
<QuasiParabolic ID="5" StartDistance="6589.0" EndDistance="6590.0" A="1.40615426E13" B="-4.26834714E9" C="323911.72" Error="0.0"/>
<QuasiParabolic ID="6" StartDistance="6590.0" EndDistance="6605.0" A="3.60484962E12" B="-1.09484378E9" C="83129.98" Error="0.0285"/>
<QuasiParabolic ID="7" StartDistance="6605.0" EndDistance="6623.0" A="1.15435509E13" B="-3.49868979E9" C="265101.66" Error="0.026"/>
<QuasiParabolic ID="8" StartDistance="6623.0" EndDistance="6653.294" A="-9.3033081E12" B="2.79660211E9" C="-210158.17" Error="0.00892"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="108.499" Depth="0.154"/>
<TopsideChapman PeakHeight="283.294" PeakDensity="106149.195" PeakScaleHeight="23.098" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
