<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2020-04-20 -111 19:10:00.000"
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="15.0">
<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="1 2 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 0 "/>
<Comments>AR.5002.44 Confidence: 95% PACIFIC flags: Multiple candidates for F2x cusp</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" >
2020.04.20 (111) 19:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.64" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-8.96" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-19.70" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="17.0" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202011104201910009039031101000005015000000001107501000080502560000000040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="31" >
<URSI ID="00" Val="8.750" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="2.839" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="24.837" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="1.900" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="4.500" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="4.150" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="81" Val="1.900" Name="fminE" Units="MHz" QL="/" DL="/" />
<URSI ID="20" Val="2.810" Name="foE" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="9.100" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="285.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="285.000" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="24" Val="100.365" Name="h`E" Units="km" QL="/" DL="/" />
<URSI ID="34" Val="110.000" Name="h`Es" Units="km" QL="/" DL="/" />
<URSI ID="90" Val="102.058" Name="hmE" Units="km" QL="/" DL="/" />
<URSI ID="83" Val="11.810" Name="yE" Units="km" QL="/" DL="/" />
<URSI ID="86" Val="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="8.350" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="426.283" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="2.655" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="4.150" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="4.150" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="324.191" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="244.300" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="9.562" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<Custom Name="fminEs" Val="2.800" Description="Minimum frequency of Es-layer" Units="MHz" />
<URSI ID="94" Val="105.199" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="26.168" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="62.246" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="142.870" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.260" Name="B1" QL="/" DL="/" />
<URSI ID="32" Val="4.150" Name="fbEs" Units="MHz" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="3">
<Trace Type="standard" Layer="F2" Polarization="O" Num="93">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
4.15 4.2 4.25 4.3 4.35 4.4 4.45 4.5 4.55 4.6 4.65 4.7 4.75 4.8 4.85 4.9 4.95 5.0 5.05 5.1 5.15 5.2 5.25 5.3 5.35 5.4 5.45 5.5 5.55 5.6 5.65 5.7 5.75 5.8 5.85 5.9 5.95 6.0 6.05 6.1 6.15 6.2 6.25 6.3 6.35 6.4 6.45 6.5 6.55 6.6 6.65 6.7 6.75 6.8 6.85 6.9 6.95 7.0 7.05 7.1 7.15 7.2 7.25 7.3 7.35 7.4 7.45 7.5 7.55 7.6 7.65 7.7 7.75 7.8 7.85 7.9 7.95 8.0 8.05 8.1 8.15 8.2 8.25 8.3 8.35 8.4 8.45 8.5 8.55 8.6 8.65 8.7 8.75
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
285.000 285.000 285.000 285.000 285.000 287.000 289.000 291.000 293.000 295.000 295.000 305.000 300.000 305.000 305.000 305.000 305.000 310.000 312.500 315.000 315.000 315.000 320.000 320.000 325.000 325.000 325.000 330.000 335.000 335.000 335.000 340.000 340.000 345.000 345.000 350.000 350.000 350.000 355.000 355.000 360.000 360.000 360.000 365.000 365.000 365.000 366.000 367.000 368.000 369.000 370.000 370.000 375.000 375.000 380.000 380.000 380.000 380.000 380.000 382.500 385.000 385.000 385.000 385.000 385.000 390.000 390.000 390.000 390.000 390.000 390.000 395.000 395.000 395.000 395.000 405.000 405.000 405.000 410.000 415.000 415.000 420.000 420.000 422.842 426.283 430.536 435.927 442.982 452.614 466.548 488.497 528.165 621.542
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 0 0 66 69 0 0 0 0 69 78 48 72 66 72 66 72 69 0 63 60 72 72 78 72 75 75 72 72 63 75 75 66 69 75 72 75 81 78 78 66 66 66 66 0 69 0 0 0 0 66 57 66 72 69 63 57 63 54 0 57 54 72 78 81 75 78 81 78 75 75 90 84 72 0 81 84 87 87 72 69 78 84 87 84 84 84 81 72 72 57 51 45
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-0.390625 -0.390625 0.390625 -0.390625 -0.390625 -0.390625 0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 0.390625 -0.390625 0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 0.390625 -0.390625 0.390625 0.390625 0.390625 0.390625 0.390625 0.390625 0.390625 0.390625 0.390625 0.390625 0.390625 0.390625 0.390625 0.390625 0.390625
</TraceValueList>
</Trace>
<Trace Type="standard" Layer="E" Polarization="O" Num="19">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
1.9 1.95 2.0 2.05 2.1 2.15 2.2 2.25 2.3 2.35 2.4 2.45 2.5 2.55 2.6 2.65 2.7 2.75 2.8
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
100.365 100.727 101.111 101.518 101.952 102.416 102.913 103.448 104.026 104.655 105.344 106.107 106.960 107.931 109.058 110.408 112.104 114.421 118.222
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 60 63 69 0 66 57 60 0 0 0 63 0 63 0 0 72 0 63
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-0.390625 0.390625 0.390625 -0.390625 0.390625 -0.390625 0.390625 -0.390625 -0.390625 0.390625 -0.390625 0.390625 -2.734375 -0.390625 0.390625 0.390625 0.390625 -0.390625 -0.390625
</TraceValueList>
</Trace>
<Trace Type="standard" Layer="Es" Polarization="O" Num="35">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.8 2.85 2.9 2.95 3.0 3.05 3.1 3.15 3.2 3.25 3.3 3.35 3.4 3.45 3.5 3.55 3.6 3.65 3.7 3.75 3.8 3.85 3.9 3.95 4.0 4.05 4.1 4.15 4.2 4.25 4.3 4.35 4.4 4.45 4.5
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
120.000 115.000 115.000 115.000 115.000 113.750 112.500 111.250 110.000 110.000 112.500 115.000 115.000 115.000 113.333 111.667 110.000 108.333 106.667 105.000 110.000 110.000 110.000 105.000 105.000 105.000 105.000 102.500 100.000 105.000 105.000 105.000 100.000 100.000 100.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 69 0 63 63 0 0 0 0 66 0 57 0 0 0 0 60 0 0 60 54 51 54 60 54 57 54 51 51 51 54 54 51 48 48
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-0.390625 0.390625 0.390625 0.390625 -0.390625 -0.390625 -0.390625 0.390625 0.390625 0.390625 -0.390625 -0.390625 -0.390625 0.390625 0.390625 -0.390625 0.390625 0.390625 -0.390625 0.390625 0.390625 -0.390625 0.390625 0.390625 -0.390625 -0.390625 -0.390625 0.390625 -0.390625 -0.390625 -0.390625 0.390625 -0.390625 0.390625 0.390625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.33" Type="vertical" >
<Tabulated Num="188">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
90.0 95.0 100.0 102.058 105.0 107.268 110.0 112.477 115.0 117.687 120.0 125.0 130.0 135.0 140.0 145.0 150.0 155.0 160.0 165.0 170.0 175.0 180.0 185.0 190.0 195.0 200.0 205.0 210.0 215.0 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 270.0 275.0 280.0 285.0 290.0 295.0 300.0 305.0 310.0 315.0 320.0 324.191 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 440.0 445.0 450.0 455.0 460.0 465.0 470.0 475.0 480.0 485.0 490.0 495.0 500.0 505.0 510.0 515.0 520.0 525.0 530.0 535.0 540.0 545.0 550.0 555.0 560.0 565.0 570.0 575.0 580.0 585.0 590.0 595.0 600.0 605.0 610.0 615.0 620.0 625.0 630.0 635.0 640.0 645.0 650.0 655.0 660.0 665.0 670.0 675.0 680.0 685.0 690.0 695.0 700.0 705.0 710.0 715.0 720.0 725.0 730.0 735.0 740.0 745.0 750.0 755.0 760.0 765.0 770.0 775.0 780.0 785.0 790.0 795.0 800.0 805.0 810.0 815.0 820.0 825.0 830.0 835.0 840.0 845.0 850.0 855.0 860.0 865.0 870.0 875.0 880.0 885.0 890.0 895.0 900.0 905.0 910.0 915.0 920.0 925.0 930.0 935.0 940.0 945.0 950.0 955.0 960.0 965.0 970.0 975.0 980.0 985.0 990.0 995.0 1000.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 2.258 2.766 2.81 2.767 2.675 2.675 2.675 2.74 2.81 2.874 3.01 3.141 3.268 3.392 3.514 3.634 3.753 3.872 3.99 4.109 4.228 4.348 4.47 4.594 4.72 4.849 4.981 5.117 5.256 5.4 5.55 5.705 5.867 6.036 6.212 6.398 6.593 6.797 7.009 7.229 7.453 7.675 7.89 8.089 8.267 8.419 8.543 8.637 8.703 8.74 8.75 8.75 8.743 8.725 8.698 8.661 8.616 8.563 8.502 8.434 8.36 8.279 8.194 8.103 8.008 7.909 7.806 7.7 7.591 7.48 7.367 7.252 7.135 7.017 6.899 6.779 6.66 6.54 6.42 6.3 6.18 6.061 5.943 5.826 5.709 5.593 5.479 5.365 5.253 5.142 5.033 4.925 4.819 4.714 4.611 4.509 4.409 4.31 4.214 4.119 4.025 3.934 3.844 3.756 3.669 3.584 3.501 3.419 3.339 3.261 3.185 3.11 3.036 2.964 2.894 2.825 2.758 2.692 2.627 2.564 2.503 2.443 2.384 2.326 2.27 2.215 2.162 2.109 2.058 2.008 1.959 1.912 1.865 1.819 1.775 1.732 1.689 1.648 1.608 1.568 1.53 1.492 1.456 1.42 1.385 1.351 1.318 1.286 1.254 1.223 1.193 1.164 1.135 1.107 1.08 1.053 1.027 1.002 0.977 0.953 0.929 0.906 0.884 0.862 0.841 0.82 0.8 0.78 0.761 0.742 0.724 0.706 0.688 0.671 0.655 0.638 0.623 0.607 0.592 0.578 0.563 0.549 0.536 0.522 0.51 0.497 0.485

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="2.81" PeakHeight="102.058" Num="3" Error="2.655">
-17.731 7.357 -1.684
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="2.81" EndFrequency="8.75" PeakHeight="324.191" Num="5" zHalfNm="244.3" Error="2.729">
-168.404 -43.436 -0.219 7.123 -1.568
</ShiftedChebyshev>
</ShiftedChebyshevList>
<ProfileValley Model="ULCAR" Width="15.629" Depth="0.135"/>
<TopsideChapman PeakHeight="324.191" PeakDensity="949906.94" PeakScaleHeight="62.246" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
