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<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-06 -037 07:00:00.000"
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="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" >
2026.02.06 (037) 07:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.15" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.95" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="85.88234" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202603702060700001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="17" >
<URSI ID="00" Val="4.950" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.153" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.609" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.175" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.175" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.275" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="227.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="227.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.500" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="327.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.175" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.175" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.463" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="112">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 227.500 227.500 227.500 227.500 228.750 230.000 230.000 230.000 230.000 230.000 231.250 232.500 232.500 232.500 232.500 232.500 232.500 235.000 235.000 235.833 236.667 237.500 237.500 237.500 237.500 237.500 240.000 240.000 241.250 242.500 242.500 242.500 243.750 245.000 245.000 245.000 245.000 245.000 247.500 247.500 247.500 247.500 250.000 250.000 250.000 252.500 252.500 252.500 255.000 255.000 257.500 257.500 257.500 260.000 260.000 260.000 262.500 262.500 262.500 262.500 265.000 267.500 267.500 267.500 272.500 272.500 272.500 275.000 277.500 280.000 280.000 282.500 282.500 285.000 285.000 287.500 287.500 287.500 292.500 295.000 297.500 300.000 300.000 302.500 305.000 307.500 310.000 312.500 317.500 320.000 322.500 325.000 327.500 335.000 340.000 342.500 346.761 351.429 356.568 362.251 368.570 375.638 383.596 392.625 402.955 414.890 428.835 445.344 465.198 489.526 520.033
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 54 0 57 42 0 36 0 57 54 57 0 48 60 57 0 60 57 54 60 0 0 57 60 48 48 33 33 54 0 63 69 69 66 72 72 90 93 96 96 84 84 96 96 87 81 81 84 99 102 105 99 81 81 81 84 84 78 78 78 84 87 72 72 93 87 99 99 102 96 84 93 90 99 63 66 63 63 96 93 93 93 81 81 81 81 96 99 87 84 60 60 60 57 75 78 60 57 81 81 81 75 78 84 96 96 51 0 48 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</Trace>
</TraceList>
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