<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 00:25:00.000"
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: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.07 (127) 00:25:00</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">
FF202612705070025001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.125" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.294" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.588" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.525" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="275.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="275.000" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.900" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="325.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.425" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.425" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="289.364" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="262.657" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.789" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.432" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.817" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.193" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="38.020" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.130" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="29">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.125
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
275.000 277.500 277.500 280.000 282.500 285.000 287.500 290.000 292.500 295.000 297.500 300.625 303.750 306.875 310.000 313.125 316.250 319.375 322.500 325.000 330.000 334.860 340.460 346.984 354.680 363.898 375.136 389.140 407.076
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
99 96 84 84 75 75 72 0 0 0 84 0 0 0 0 0 0 0 87 93 102 99 90 87 87 84 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 -1.5625 -10.9375 10.9375 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 1.5625 -10.9375 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="518">
<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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</ProfileValueList>
</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="4.125" PeakHeight="289.364" Num="5" zHalfNm="262.657" Error="2.013">
-71.25 0.467 -0.998 0.766 -0.01
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6516.113" A="-1.1658906E11" B="3.5984276E7" C="-2776.4392" Error="0.00174"/>
<QuasiParabolic ID="2" StartDistance="6516.113" EndDistance="6552.226" A="0.0" B="-1647.4855" C="0.2928665" Error="0.0357"/>
<QuasiParabolic ID="3" StartDistance="6552.226" EndDistance="6587.0" A="5.7002734E10" B="-1.7455732E7" C="1336.3783" Error="0.0357"/>
<QuasiParabolic ID="4" StartDistance="6587.0" EndDistance="6597.0" A="4.4000886E12" B="-1.33613965E9" C="101433.84" Error="0.0772"/>
<QuasiParabolic ID="5" StartDistance="6597.0" EndDistance="6607.0" A="4.7676481E12" B="-1.44757197E9" C="109879.52" Error="0.0286"/>
<QuasiParabolic ID="6" StartDistance="6607.0" EndDistance="6640.0" A="1.30021872E13" B="-3.94024346E9" C="298518.2" Error="0.0419"/>
<QuasiParabolic ID="7" StartDistance="6640.0" EndDistance="6659.364" A="-2.73129847E13" B="8.202881E9" C="-615873.7" Error="0.0132"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="108.339" Depth="0.154"/>
<TopsideChapman PeakHeight="289.364" PeakDensity="211111.97" PeakScaleHeight="20.193" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
