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<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-07 -038 07:05:00.000"
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" >
2026.02.07 (038) 07:05:00</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"/>
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<DigisondePreface Format="FF">
FF202603802070705001291297002000002515000000001107301000080205120000B05040001
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<CharacteristicList Num="21" >
<URSI ID="00" Val="5.400" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.263" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.622" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="3.225" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.900" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.925" 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="34" Val="95.000" Name="h`Es" 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="5.125" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="333.684" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.900" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.900" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.441" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<Custom Name="fminEs" Val="2.000" Description="Minimum frequency of Es-layer" Units="MHz" />
<URSI ID="32" Val="2.900" Name="fbEs" Units="MHz" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="101">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 228.333 229.167 230.000 230.000 230.000 231.250 232.500 232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 237.500 238.333 239.167 240.000 240.000 240.000 240.000 242.500 242.500 242.500 242.500 242.500 245.000 245.000 245.000 246.250 247.500 247.500 247.500 250.000 251.250 252.500 252.500 252.500 252.500 255.000 255.000 255.000 255.000 256.250 257.500 260.000 260.000 260.000 262.500 262.500 265.000 265.000 267.500 267.500 270.000 270.000 270.000 272.500 275.000 275.000 277.500 280.000 280.000 282.500 285.000 285.000 285.000 287.500 287.500 290.000 292.500 295.000 296.250 297.500 300.000 302.500 307.500 310.000 310.000 312.500 315.000 317.500 319.508 321.732 324.210 326.987 330.120 333.684 337.773 342.512 348.072 354.684 362.678 372.538 385.005 401.269 423.377 455.167 504.787
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<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
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</Trace>
<Trace Type="standard" Layer="Es" Polarization="O" Num="50">
<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 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 3.225
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<RangeList Type="float" Units="km" Description="Group Range" >
100.000 100.000 100.000 100.000 97.500 100.000 98.750 97.500 96.250 95.000 100.000 97.500 95.000 97.500 102.500 107.500 106.250 105.000 105.000 104.167 103.333 102.500 102.500 102.500 102.500 102.500 102.500 103.750 105.000 107.500 107.500 110.000 110.000 110.000 110.000 110.000 108.750 107.500 106.250 105.000 103.750 102.500 101.667 100.833 100.000 100.000 100.000 100.000 100.000 100.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 66 66 66 69 78 0 0 0 48 63 45 57 69 48 0 0 75 69 54 48 63 60 0 0 66 66 0 0 0 60 48 0 0 36 54 0 0 0 69 0 90 0 0 108 114 0 0 0 111
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</Trace>
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