<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-03 -062 05:30:00.000"
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="18.0">
<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 8 0 0 0 0 0 0 0 55 1 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.44: Problems inverting F-trace to N(h)-profile</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" >
2026.03.03 (062) 05:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.63" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-11.16" 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">
FF202606203030530009039031101000005018000000001107501000080502560000000040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="17" >
<URSI ID="00" Val="6.600" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.413" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="22.526" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="7.050" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="235.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="235.000" 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="6.350" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="315.923" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.617" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="54">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.95 4.0 4.05 4.1 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
235.000 240.000 243.333 246.667 250.000 255.000 245.000 250.000 251.667 253.333 255.000 260.000 262.500 265.000 270.000 270.000 275.000 272.500 270.000 270.000 270.000 270.000 270.000 275.000 275.000 275.000 275.000 275.000 280.000 280.000 285.000 285.000 285.000 290.000 290.000 300.000 300.000 302.500 305.000 305.000 305.543 306.167 306.891 307.741 308.753 309.978 311.493 313.412 315.923 319.349 324.305 332.106 346.190 379.263
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 63 0 0 66 72 66 69 69 0 72 60 63 60 63 66 60 0 60 66 69 0 63 63 63 63 0 66 69 66 66 63 66 60 69 60 57 60 60 63 57 57 0 0 60 60 60 60 54 60 0 0 0 54
</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 -1.171875 -0.390625 -0.390625 -0.390625 -1.171875 -0.390625 -0.390625 -0.390625 0.390625 -1.171875 -0.390625 -0.390625 -0.390625 -1.171875 -1.171875 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -1.171875 -1.171875 -0.390625 -1.171875 -1.171875 -0.390625 -1.171875 -1.171875 -0.390625 -1.171875 -0.390625 -1.171875 -0.390625 -0.390625 -0.390625 -1.171875 -0.390625 -1.171875 -0.390625 -1.171875 -0.390625 -0.390625 -1.171875 -0.390625
</TraceValueList>
</Trace>
</TraceList>
</SAORecord>
</SAORecordList>
