<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-28 -301 07:30:00.000"
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: 85% PACIFIC flags: 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" >
2026.10.28 (301) 07:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.32" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.06" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="62.486557" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202630110280730001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.196" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.745" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.225" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.225" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.075" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="315.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="315.000" 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="0.175" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.475" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="343.580" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.383" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.225" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.225" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="296.513" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="259.363" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.245" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="53.283" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.998" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="27.953" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="53.410" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.070" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="19">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
315.000 317.500 320.000 325.000 326.827 328.854 331.116 333.656 336.530 339.808 343.580 347.968 353.136 359.313 366.827 376.162 388.074 403.800 425.521
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
81 84 69 69 72 66 0 63 90 90 81 84 75 72 72 72 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="638">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.383" PeakHeight="110.0" Num="3" Error="0.0">
-19.734 2.869 -0.19
</ShiftedChebyshev>
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<ProfileValley Model="ULCAR" Width="91.762" Depth="0.183"/>
<TopsideChapman PeakHeight="296.513" PeakDensity="167563.58" PeakScaleHeight="27.953" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
