<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-05 -125 21:50:00.000"
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" >
2026.05.05 (125) 21:50:00</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">
FF202612505052150001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.425" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.537" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.649" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.100" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.100" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.800" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="227.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="227.500" 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="4.125" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="280.900" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.423" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.100" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.100" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="257.955" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="226.585" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.618" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="44.507" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.456" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="24.570" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="35.420" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.510" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="54">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 227.500 228.750 230.000 230.000 230.000 232.500 232.500 232.500 232.500 235.000 235.000 235.000 237.500 237.500 237.500 240.000 240.000 242.500 242.500 242.500 245.000 245.000 247.500 247.500 250.000 250.000 252.500 252.500 255.000 257.500 257.500 257.500 262.500 262.500 265.000 270.000 270.000 272.500 275.000 277.500 280.900 284.716 289.030 293.946 299.600 306.171 313.902 323.130 334.336 348.233 365.923 389.203 421.221
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 72 0 66 72 96 90 81 84 84 81 84 84 81 84 72 69 75 69 72 72 72 69 78 81 57 54 51 51 63 63 78 78 87 90 66 63 78 78 75 78 75 78 75 78 78 78 75 75 0 0 66 60 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="562">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.423" PeakHeight="110.0" Num="3" Error="0.0">
-20.79 3.422 -0.26
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.423" EndFrequency="4.425" PeakHeight="257.955" Num="5" zHalfNm="226.585" Error="3.081">
-75.214 16.862 -11.547 5.582 -1.388
</ShiftedChebyshev>
</ShiftedChebyshevList>
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<QuasiParabolic ID="2" StartDistance="6507.417" EndDistance="6534.833" A="0.0" B="-1135.6259" C="0.2144067" Error="0.0157"/>
<QuasiParabolic ID="3" StartDistance="6534.833" EndDistance="6556.0" A="1.48443955E11" B="-4.5556264E7" C="3495.2278" Error="0.0161"/>
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<QuasiParabolic ID="6" StartDistance="6565.0" EndDistance="6571.0" A="4.15611145E12" B="-1.26788518E9" C="96697.016" Error="0.00531"/>
<QuasiParabolic ID="7" StartDistance="6571.0" EndDistance="6581.0" A="8.3808265E12" B="-2.55375206E9" C="194541.08" Error="0.0173"/>
<QuasiParabolic ID="8" StartDistance="6581.0" EndDistance="6585.0" A="2.64982327E13" B="-8.0597253E9" C="612864.56" Error="0.00652"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="82.25" Depth="0.223"/>
<TopsideChapman PeakHeight="257.955" PeakDensity="242935.8" PeakScaleHeight="24.57" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
