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FormatVersion="5.0"
StartTimeUTC="2026-05-15 -135 22:50:00.000"
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" >
2026.05.15 (135) 22:50:00</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"/>
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<DigisondePreface Format="FF">
FF202613505152250001291297002000002515000000001107301000080205120000B05040001
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<CharacteristicList Num="17" >
<URSI ID="00" Val="4.650" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.152" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.658" 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="5.025" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="252.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="252.500" 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="4.300" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="337.500" 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="/" />
<Modeled Name="foF2p" Val="4.549" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="69">
<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 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65
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<RangeList Type="float" Units="km" Description="Group Range" >
252.500 252.500 255.000 255.000 257.500 257.500 257.500 260.000 260.000 262.500 262.500 262.500 265.000 265.000 267.500 267.500 267.500 270.000 270.000 272.500 275.000 275.000 275.000 277.500 277.500 280.000 280.000 282.500 282.500 285.000 287.500 287.500 290.000 292.500 292.500 295.000 295.000 297.500 297.500 300.000 302.500 305.000 305.000 310.000 310.000 312.500 315.000 317.500 320.000 322.500 330.000 332.500 332.500 335.000 337.500 342.500 346.161 350.253 354.858 360.078 366.045 372.934 380.973 390.479 401.893 415.853 433.319 455.798 485.815
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 69 69 84 81 96 96 93 96 93 96 96 96 96 93 96 96 99 96 96 90 84 84 87 84 84 84 84 81 93 93 69 66 57 63 87 90 93 90 102 102 90 93 90 90 90 90 102 102 102 93 75 78 81 81 90 90 90 90 66 63 63 63 72 72 96 96 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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