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StartTimeUTC="2026-10-20 -293 06:40:00.000"
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" />
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<LinearStepping Step="2.5" Units="km" />
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<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" >
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<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
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<CharacteristicList Num="17" >
<URSI ID="00" Val="4.450" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.014" Name="M(D)" QL="/" DL="/" />
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<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="4.750" Name="fxI" Units="MHz" QL="/" DL="/" />
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<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
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<Modeled Name="foF2p" Val="4.578" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
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<Trace Type="standard" Layer="F2" Polarization="O" Num="99">
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