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FormatVersion="5.0"
StartTimeUTC="2026-02-18 -049 01:25:00.000"
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 8 0 0 0 0 0 0 0 55 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49: Problems inverting F-trace to N(h)-profile</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.02.18 (049) 01:25:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.16" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.95" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="85.88234" Status="predicted"/>
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<DigisondePreface Format="FF">
FF202604902180125001291297002000002515000000001107301000080205120000B05040001
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<CharacteristicList Num="17" >
<URSI ID="00" Val="6.050" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.742" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="22.637" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="4.525" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="4.525" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.100" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="95.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="95.000" 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="4.950" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="199.722" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="4.525" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="4.525" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.830" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="62">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05
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<RangeList Type="float" Units="km" Description="Group Range" >
95.000 95.000 95.000 95.000 95.000 95.000 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 123.056 148.611 174.167 199.722 225.278 250.833 276.389 301.944 327.500 332.500 335.000 335.000 337.500 340.000 340.000 340.000 342.500 342.500 345.000 345.000 347.500 350.000 350.000 350.000 352.500 352.500 355.000 355.000 357.500 357.500 357.500 362.500 362.500 365.000 370.000 370.000 372.500 372.500 377.500 380.000 380.000 380.000 385.000 389.223 394.282 400.453 408.146 418.004
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
93 93 69 69 93 93 96 96 96 96 96 96 108 108 0 0 0 0 0 0 0 0 57 57 60 57 60 54 96 96 96 96 96 99 99 93 63 66 63 63 63 63 66 63 63 66 66 69 96 102 66 66 96 93 96 90 96 90 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</Trace>
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