<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-18 -108 15:35:00.000"
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" >
2026.04.18 (108) 15:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.20" 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">
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<URSI ID="80" Val="4.600" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="13.625" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="252.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="252.500" Name="h`F2" Units="km" QL="/" DL="/" />
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<URSI ID="86" Val="0.175" Name="FF" Units="MHz" QL="/" DL="/" />
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<URSI ID="89" Val="320.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="3.103" Units="MHz" ModelName="CCIR-79" />
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<Modeled Name="foF1p" Val="4.221" Units="MHz" ModelName="IRI-90" />
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<URSI ID="93" Val="216.671" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="9.650" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
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<URSI ID="71" Val="36.221" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="37.797" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="77.810" Name="B0" Units="km" QL="/" DL="/" />
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<Tabulated Num="915">
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