<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-19 -078 06:20:00.000"
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: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.19 (078) 06:20:00</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">
FF202607803190620001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="6.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.786" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="23.663" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.600" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="205.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="205.000" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.950" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="257.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.425" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.425" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="231.203" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="207.072" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.486" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="34.326" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.666" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="18.317" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.310" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.540" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="154">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
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</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 0 81 0 0 69 0 0 0 69 72 72 72 72 72 72 48 48 0 0 0 54 69 69 96 96 84 84 0 87 96 0 96 87 90 0 93 93 96 99 99 99 90 87 90 87 87 78 0 0 81 81 0 0 0 0 0 0 0 105 0 0 0 0 93 93 0 105 105 105 105 99 90 93 105 108 96 96 84 84 60 57 81 81 93 96 84 84 105 105 93 93 96 96 108 108 108 105 72 72 108 108 72 69 69 69 69 69 108 102 69 69 72 72 105 105 108 108 69 69 69 69 69 66 69 66 66 66 66 63 66 66 102 93 66 66 102 102 102 99 69 69 102 105 102 99 99 99 63 60 96 93 87 84
</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="455">
<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">
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</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="6.25" PeakHeight="231.203" Num="5" zHalfNm="207.072" Error="0.349">
-61.247 11.099 -6.438 2.008 -0.125
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" EarthRadius="6370.0">
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<QuasiParabolic ID="2" StartDistance="6502.167" EndDistance="6524.333" A="0.0" B="1055.286" C="-0.11427473" Error="0.0102"/>
<QuasiParabolic ID="3" StartDistance="6524.333" EndDistance="6526.0" A="-2.57290849E12" B="7.88432E8" C="-60400.95" Error="0.0294"/>
<QuasiParabolic ID="4" StartDistance="6526.0" EndDistance="6543.0" A="1.58349099E11" B="-4.8606796E7" C="3730.1267" Error="0.0374"/>
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<QuasiParabolic ID="6" StartDistance="6545.0" EndDistance="6550.0" A="9.3770125E12" B="-2.86549222E9" C="218914.33" Error="0.0212"/>
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<QuasiParabolic ID="8" StartDistance="6552.0" EndDistance="6556.0" A="1.40819248E13" B="-4.3010719E9" C="328421.56" Error="0.00419"/>
<QuasiParabolic ID="9" StartDistance="6556.0" EndDistance="6561.0" A="2.8759231E13" B="-8.7785902E9" C="669904.06" Error="0.0085"/>
<QuasiParabolic ID="10" StartDistance="6561.0" EndDistance="6575.0" A="9.9278295E13" B="-3.02750269E10" C="2308102.2" Error="0.0316"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="66.5" Depth="0.135"/>
<TopsideChapman PeakHeight="231.203" PeakDensity="484646.4" PeakScaleHeight="18.317" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
