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FormatVersion="5.0"
StartTimeUTC="2026-03-15 -074 09:00:00.000"
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="20.0">
<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" >
2026.03.15 (074) 09:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
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<DigisondePreface Format="FF">
FF202607403150900001291296E02000002520000000001107201000080205120000B05040000
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<CharacteristicList Num="17" >
<URSI ID="00" Val="3.200" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="2.929" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="9.373" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.150" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.150" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.600" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="347.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="347.500" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.050" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="403.513" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.676" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.450" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.450" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.346" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="43">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
365.000 362.500 360.000 358.929 357.857 356.786 355.714 354.643 353.571 352.500 350.833 349.167 347.500 747.500 755.000 756.250 757.500 765.000 772.500 782.500 785.000 790.000 792.500 792.500 800.000 802.500 805.000 807.500 596.250 385.000 385.000 385.000 388.333 391.667 394.838 398.702 403.513 409.666 417.816 429.122 445.858 473.171 525.723
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
45 72 72 48 39 24 0 0 0 0 45 48 42 45 0 0 48 30 33 45 48 51 51 45 51 33 33 0 0 45 39 0 42 57 60 60 60 72 72 0 0 72 66
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
3.125 3.125 3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 -21.875 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125 3.125 -3.125 3.125
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</Trace>
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