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FormatVersion="5.0"
StartTimeUTC="2026-05-06 -126 10:45:00.000"
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 25 0 1 0 0 0 1 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" >
2026.05.06 (126) 10:45:00</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">
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<CharacteristicList Num="18" >
<URSI ID="00" Val="5.875" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="10" Val="2.250" Name="foF1" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.667" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="21.544" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.225" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="170.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="217.500" 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="5.650" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="278.672" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="1.901" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.200" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.750" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.135" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="138">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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<RangeList Type="float" Units="km" Description="Group Range" >
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<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 48 48 48 48 51 51 51 51 51 51 51 51 48 51 24 24 21 15 0 0 0 45 57 54 54 0 0 72 75 75 78 81 78 78 102 102 87 84 75 75 0 60 63 60 60 57 57 54 66 69 42 42 42 0 0 66 69 72 84 84 60 60 75 72 72 75 87 90 75 78 78 78 78 78 81 81 66 63 42 42 45 45 36 39 69 69 90 90 78 78 69 69 90 93 96 93 93 96 96 93 105 105 93 93 93 93 93 96 96 96 96 96 96 93 96 93 96 93 96 96 93 93 93 93 105 105 90 90 90 90 90 90 90 87 87 84 78
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<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</Trace>
<Trace Type="standard" Layer="F1" Polarization="O" Num="11">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
172.500 172.500 172.500 172.500 172.500 172.500 172.500 172.500 170.000 170.000 170.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
39 42 42 39 39 51 51 51 57 48 42
</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
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</Trace>
</TraceList>
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