<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-11-02 -306 20:50:00.000"
URSICode="SAA0K"
StationName="SaoLuis"
GeoLatitude="-2.6"
GeoLongitude="315.8"
Source="Ionosonde"
SourceType="DPS-4"
ScalerType="auto">
<SystemInfo UMLStationID="903">
<FrequencyStepping StartFrequency="1.0" StopFrequency="14.0">
<LinearStepping Step="0.05" Units="MHz" />
</FrequencyStepping>
<RangeStepping StartRange="80.0" StopRange="1360.0" >
<LinearStepping Step="5.0" Units="km" />
</RangeStepping>
<AutoScaler Name="Artist5" Version="500200" ArtistFlags="2 2 0 0 0 0 0 0 0 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.44 Confidence: 65% PACIFIC flags: F2x cusp not found, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other</Comments>
<ContactPerson>
<Name>Dr. Mangalathayil Ali Abdu</Name>
<Affiliation>INPE, Division of Aeronomy</Affiliation>
<Address>Av dos Astronautas, 1.758 Jd. Granja - CEP: 12227-010 Sao Jose dos Campos - SP Brasil</Address>
<Email>maabdu@dae.inpe.br</Email>
</ContactPerson>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.11.02 (306) 20:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.63" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-11.41" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-19.74" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="-1.0" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202630611022050009039031101000005014000000001107501000080502560000000040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="11.450" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="2.237" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="25.614" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="8.550" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="8.550" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="11.750" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="450.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="450.000" 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="9.750" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="522.222" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="1.008" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="8.550" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="8.550" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="465.865" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="354.456" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="9.199" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="160.838" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="57.402" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="82.738" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="163.920" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.890" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="59">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
8.55 8.6 8.65 8.7 8.75 8.8 8.85 8.9 8.95 9.0 9.05 9.1 9.15 9.2 9.25 9.3 9.35 9.4 9.45 9.5 9.55 9.6 9.65 9.7 9.75 9.8 9.85 9.9 9.95 10.0 10.05 10.1 10.15 10.2 10.25 10.3 10.35 10.4 10.45 10.5 10.55 10.6 10.65 10.7 10.75 10.8 10.85 10.9 10.95 11.0 11.05 11.1 11.15 11.2 11.25 11.3 11.35 11.4 11.45
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
450.000 450.000 450.000 460.000 460.000 465.000 465.000 465.000 470.000 470.000 470.000 480.000 480.000 485.000 485.000 490.000 490.000 495.000 500.000 500.000 504.444 508.889 513.333 517.778 522.222 526.667 531.111 535.556 540.000 544.444 548.889 553.333 557.778 562.222 566.667 571.111 575.556 580.000 590.000 595.000 595.000 600.000 605.000 610.000 615.714 621.429 627.143 632.857 638.571 644.286 650.000 657.707 666.037 675.070 684.897 695.630 707.398 720.359 734.704
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
60 0 0 0 66 0 0 72 51 66 0 0 66 0 60 69 66 63 66 57 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 51 51 48 51 48 51 45 0 0 45 0 0 0 45 45 48 45 42 45 42 42 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 -1.171875 2.734375 -2.734375 -1.953125 2.734375 2.734375 -1.171875 -1.171875 -1.171875 -1.953125 -1.171875 -2.734375 -1.953125 -0.390625 -1.953125 -1.171875 -1.953125 -1.953125 -1.171875 -1.953125 -1.953125 -1.953125 -1.953125 1.171875 -1.953125 -1.953125 -1.953125 -1.953125 1.171875 -1.953125 -1.953125 -1.953125 -1.953125 -1.953125 -1.953125 -2.734375 -1.953125 -1.171875
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.33" Type="vertical" >
<Tabulated Num="187">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
90.262 95.0 100.0 105.0 110.0 115.0 120.0 125.0 126.769 130.0 135.0 140.0 143.537 145.0 150.0 155.0 160.0 160.306 165.0 170.0 175.0 180.0 185.0 190.0 195.0 200.0 205.0 210.0 215.0 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 270.0 275.0 280.0 285.0 290.0 295.0 300.0 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 440.0 445.0 450.0 455.0 460.0 465.0 465.865 470.0 475.0 480.0 485.0 490.0 495.0 500.0 505.0 510.0 515.0 520.0 525.0 530.0 535.0 540.0 545.0 550.0 555.0 560.0 565.0 570.0 575.0 580.0 585.0 590.0 595.0 600.0 605.0 610.0 615.0 620.0 625.0 630.0 635.0 640.0 645.0 650.0 655.0 660.0 665.0 670.0 675.0 680.0 685.0 690.0 695.0 700.0 705.0 710.0 715.0 720.0 725.0 730.0 735.0 740.0 745.0 750.0 755.0 760.0 765.0 770.0 775.0 780.0 785.0 790.0 795.0 800.0 805.0 810.0 815.0 820.0 825.0 830.0 835.0 840.0 845.0 850.0 855.0 860.0 865.0 870.0 875.0 880.0 885.0 890.0 895.0 900.0 905.0 910.0 915.0 920.0 925.0 930.0 935.0 940.0 945.0 950.0 955.0 960.0 965.0 970.0 975.0 980.0 985.0 990.0 995.0 1000.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.671 0.873 0.976 1.008 0.991 0.939 0.845 0.8 0.8 0.8 0.8 0.8 0.818 0.88 0.942 1.004 1.008 1.103 1.2 1.297 1.395 1.496 1.602 1.712 1.828 1.95 2.08 2.216 2.361 2.513 2.673 2.842 3.019 3.203 3.395 3.593 3.798 4.008 4.222 4.441 4.663 4.889 5.116 5.346 5.577 5.809 6.041 6.274 6.508 6.741 6.973 7.205 7.436 7.666 7.894 8.121 8.346 8.568 8.787 9.003 9.215 9.424 9.627 9.824 10.015 10.199 10.375 10.542 10.698 10.843 10.975 11.093 11.196 11.283 11.353 11.404 11.437 11.45 11.45 11.447 11.437 11.419 11.393 11.361 11.322 11.276 11.225 11.168 11.106 11.038 10.966 10.889 10.808 10.723 10.634 10.542 10.447 10.349 10.248 10.145 10.04 9.932 9.823 9.712 9.6 9.486 9.372 9.256 9.14 9.023 8.905 8.788 8.67 8.551 8.433 8.315 8.197 8.08 7.963 7.846 7.73 7.614 7.499 7.385 7.272 7.159 7.047 6.937 6.827 6.718 6.61 6.504 6.398 6.294 6.19 6.088 5.987 5.888 5.789 5.692 5.596 5.501 5.407 5.315 5.224 5.134 5.046 4.958 4.872 4.787 4.704 4.621 4.54 4.461 4.382 4.304 4.228 4.153 4.079 4.007 3.935 3.865 3.796 3.727 3.661 3.595 3.53 3.466 3.404 3.342 3.281 3.222 3.163 3.106 3.049 2.994 2.939 2.885 2.833 2.781 2.73 2.68 2.631 2.583 2.535 2.489

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="1.008" PeakHeight="110.0" Num="3" Error="0.0">
-26.54 8.034 -1.232
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="1.008" EndFrequency="11.45" PeakHeight="465.865" Num="5" zHalfNm="354.456" Error="4.49">
-298.446 -13.836 9.547 -5.631 2.807
</ShiftedChebyshev>
</ShiftedChebyshevList>
<ProfileValley Model="ULCAR" Width="50.306" Depth="0.208"/>
<TopsideChapman PeakHeight="465.865" PeakDensity="1626581.9" PeakScaleHeight="82.738" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
