<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-01-25 -025 08:40:00.000"
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="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 9 0 1 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" >
2026.01.25 (025) 08:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.14" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.94" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="88.98121" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202602501250840001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="18" >
<URSI ID="00" Val="5.225" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="10" Val="3.950" Name="foF1" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.420" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.870" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.350" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.350" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.575" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="100.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="340.625" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.800" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="190.625" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.955" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.375" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.836" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="51">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
340.625 341.250 341.875 342.500 343.750 345.000 345.000 347.500 350.000 351.250 352.500 353.750 355.000 356.250 357.500 357.500 360.000 362.500 365.000 367.500 367.500 370.000 372.500 375.000 377.500 380.000 382.500 385.000 387.500 392.500 395.000 397.500 402.500 405.000 405.000 410.000 415.000 417.500 420.000 422.500 427.253 432.866 439.596 447.812 458.069 471.233 488.745 513.186 549.683 610.076 729.254
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 87 0 84 75 81 75 0 0 0 0 0 75 78 75 72 54 57 66 72 96 90 0 84 66 69 60 54 60 54 78 90 90 81 87 87 63 57 96 96 84 78 0 84 78 81 87 90 0
</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 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
</TraceValueList>
</Trace>
<Trace Type="standard" Layer="F1" Polarization="O" Num="25">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
102.500 100.000 100.000 100.000 100.000 100.000 100.000 100.000 102.500 102.500 102.500 102.500 102.500 102.500 102.500 102.500 131.875 161.250 190.625 220.000 249.375 278.750 308.125 337.500 340.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 78 0 0 87 75 75 75 72 0 0 0 0 81 0 66 0 0 0 0 0 0 0 84 81
</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 -9.375 3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125 -3.125
</TraceValueList>
</Trace>
</TraceList>
</SAORecord>
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