<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-12 -132 01:15:00.000"
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" >
2026.05.12 (132) 01:15:00</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">
FF202613205120115001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.440" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.619" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.575" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="240.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="240.000" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.950" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="292.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="271.943" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="238.519" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.501" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="47.280" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.401" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="26.127" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="37.300" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.500" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="53">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 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 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 4.15 4.175 4.2 4.225 4.25
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
240.000 240.000 240.000 240.000 242.500 242.500 242.500 245.000 245.000 245.000 247.500 247.500 247.500 250.000 250.000 250.000 252.500 252.500 255.000 255.000 257.500 257.500 257.500 260.000 260.000 262.500 265.000 265.000 265.000 265.000 270.000 272.500 272.500 275.000 277.500 277.500 282.500 285.000 287.500 290.000 292.500 297.500 300.000 302.500 308.480 315.575 324.128 334.640 347.873 365.038 388.196 421.146 471.765
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 69 72 81 72 99 102 102 102 99 87 75 81 99 99 102 102 105 102 96 90 81 78 81 72 81 78 78 75 75 81 69 69 66 63 90 84 90 93 87 93 66 69 66 57 69 63 81 75 81 81 0 63
</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 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 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 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 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="596">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
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</AltitudeList>
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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="4.25" PeakHeight="271.943" Num="5" zHalfNm="238.519" Error="3.417">
-81.208 18.821 -13.492 6.464 -1.528
</ShiftedChebyshev>
</ShiftedChebyshevList>
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<QuasiParabolic ID="2" StartDistance="6510.333" EndDistance="6540.667" A="0.0" B="860.62775" C="-0.09217115" Error="0.0148"/>
<QuasiParabolic ID="3" StartDistance="6540.667" EndDistance="6569.0" A="3.6474151E10" B="-1.1248431E7" C="867.216" Error="0.0148"/>
<QuasiParabolic ID="4" StartDistance="6569.0" EndDistance="6585.0" A="3.71948782E12" B="-1.13257997E9" C="86217.47" Error="0.0291"/>
<QuasiParabolic ID="5" StartDistance="6585.0" EndDistance="6596.0" A="1.00623125E13" B="-3.05902618E9" C="232492.81" Error="0.0319"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="91.0" Depth="0.154"/>
<TopsideChapman PeakHeight="271.943" PeakDensity="224100.5" PeakScaleHeight="26.127" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
