<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-12 -132 01:35:00.000"
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="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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 85% PACIFIC flags: Multiple candidates for F2x cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.12 (132) 01:35:00</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">
FF202613205120135001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.100" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.543" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.526" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.400" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="237.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="237.500" 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="0.175" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.925" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="292.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="259.665" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="232.855" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.363" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.182" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.803" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.798" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.580" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.730" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="48">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
237.500 237.500 240.000 240.000 242.500 242.500 242.500 242.500 242.500 242.500 245.000 245.000 245.000 247.500 247.500 250.000 250.000 250.000 252.500 255.000 255.000 255.000 257.500 257.500 262.500 262.500 262.500 265.000 265.000 270.000 270.000 270.000 275.000 277.500 277.500 287.500 285.000 287.500 292.500 297.500 292.500 307.500 311.169 316.115 323.145 333.928 352.565 392.545
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 69 75 78 87 87 99 96 99 102 114 108 108 114 105 99 96 93 102 99 78 72 99 99 93 99 99 93 90 87 81 84 75 72 72 63 84 78 108 111 63 63 96 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="498">
<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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</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="4.1" PeakHeight="259.665" Num="5" zHalfNm="232.855" Error="1.984">
-66.773 11.146 -7.378 3.753 -1.163
</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="6509.75" A="-1.71482022E11" B="5.2926548E7" C="-4083.7134" Error="0.00152"/>
<QuasiParabolic ID="2" StartDistance="6509.75" EndDistance="6539.5" A="0.0" B="-851.11914" C="0.1707682" Error="0.0154"/>
<QuasiParabolic ID="3" StartDistance="6539.5" EndDistance="6568.0" A="5.8141127E10" B="-1.7862064E7" C="1371.9045" Error="0.0154"/>
<QuasiParabolic ID="4" StartDistance="6568.0" EndDistance="6571.0" A="6.3730389E12" B="-1.94079066E9" C="147758.06" Error="0.0188"/>
<QuasiParabolic ID="5" StartDistance="6571.0" EndDistance="6579.0" A="5.771637E12" B="-1.75774349E9" C="133829.66" Error="0.00638"/>
<QuasiParabolic ID="6" StartDistance="6579.0" EndDistance="6590.0" A="1.12891569E13" B="-3.43505613E9" C="261304.4" Error="0.0324"/>
<QuasiParabolic ID="7" StartDistance="6590.0" EndDistance="6600.0" A="4.6260812E13" B="-1.40486083E10" C="1066581.5" Error="0.0135"/>
<QuasiParabolic ID="8" StartDistance="6600.0" EndDistance="6629.665" A="-2.22581311E13" B="6.7147075E9" C="-506397.0" Error="0.018"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="89.25" Depth="0.154"/>
<TopsideChapman PeakHeight="259.665" PeakDensity="208560.8" PeakScaleHeight="20.798" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
