<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-19 -078 06:55:00.000"
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: 90% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.19 (078) 06:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202607803190655001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.725" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.744" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.689" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.100" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.100" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.150" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="190.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="190.000" 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="0.200" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.375" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="250.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.100" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.100" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="224.653" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="193.770" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.174" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="43.491" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.665" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.572" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="35.160" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.380" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="106">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
190.000 190.833 191.667 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 195.000 195.000 195.000 195.000 196.250 197.500 197.500 197.500 197.500 197.500 197.500 197.500 197.500 197.500 197.500 200.000 200.000 200.000 200.000 200.000 200.000 200.000 200.000 200.000 200.000 201.250 202.500 202.500 202.500 202.500 202.500 205.000 205.000 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 207.500 210.000 210.000 210.000 210.000 212.500 212.500 212.500 213.750 215.000 212.500 214.000 215.500 217.000 218.500 220.000 220.000 222.500 223.000 223.500 224.000 224.500 225.000 225.000 230.000 232.500 232.500 232.500 235.000 235.000 237.500 237.500 240.000 245.000 247.500 247.500 250.000 255.000 257.500 260.000 265.000 272.500 275.000 282.500 285.000 290.000 295.000 302.785 311.733 322.124 334.340
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 0 0 78 81 72 0 0 57 57 57 78 0 69 69 0 0 72 0 63 0 66 69 69 72 72 75 60 63 45 48 69 0 0 66 81 81 0 81 0 81 96 96 0 93 93 96 96 0 96 93 96 99 96 96 84 84 87 87 84 84 84 81 0 93 72 0 0 0 0 90 93 87 0 0 0 0 66 69 99 93 90 93 93 96 96 93 93 90 90 93 93 90 60 60 60 57 87 78 69 72 96 93 0 0 78
</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="516">
<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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<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="4.725" PeakHeight="224.653" Num="5" zHalfNm="193.77" Error="1.223">
-71.006 20.102 -11.463 3.59 0.124
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<QuasiParabolic ID="2" StartDistance="6498.667" EndDistance="6517.333" A="0.0" B="-4802.43" C="0.8071685" Error="0.032"/>
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<QuasiParabolic ID="8" StartDistance="6547.0" EndDistance="6552.0" A="2.7046206E13" B="-8.265641E9" C="631520.06" Error="0.00632"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="56.0" Depth="0.093"/>
<TopsideChapman PeakHeight="224.653" PeakDensity="276992.88" PeakScaleHeight="23.572" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
