<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-04 -035 20:30:00.000"
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 10 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" >
2026.02.04 (035) 20:30:00</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">
FF202603502042030001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="21" >
<URSI ID="00" Val="12.575" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="10" Val="8.925" Name="foF1" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.041" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="38.238" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.150" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="4.525" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="5.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="12.950" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="252.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="275.000" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="34" Val="92.500" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="11.600" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="357.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="2.516" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="5.825" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="9.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="9.622" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<Custom Name="fminEs" Val="3.150" Description="Minimum frequency of Es-layer" Units="MHz" />
</CharacteristicList>
<TraceList Num="3">
<Trace Type="standard" Layer="F2" Polarization="O" Num="146">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
8.95 8.975 9.0 9.025 9.05 9.075 9.1 9.125 9.15 9.175 9.2 9.225 9.25 9.275 9.3 9.325 9.35 9.375 9.4 9.425 9.45 9.475 9.5 9.525 9.55 9.575 9.6 9.625 9.65 9.675 9.7 9.725 9.75 9.775 9.8 9.825 9.85 9.875 9.9 9.925 9.95 9.975 10.0 10.025 10.05 10.075 10.1 10.125 10.15 10.175 10.2 10.225 10.25 10.275 10.3 10.325 10.35 10.375 10.4 10.425 10.45 10.475 10.5 10.525 10.55 10.575 10.6 10.625 10.65 10.675 10.7 10.725 10.75 10.775 10.8 10.825 10.85 10.875 10.9 10.925 10.95 10.975 11.0 11.025 11.05 11.075 11.1 11.125 11.15 11.175 11.2 11.225 11.25 11.275 11.3 11.325 11.35 11.375 11.4 11.425 11.45 11.475 11.5 11.525 11.55 11.575 11.6 11.625 11.65 11.675 11.7 11.725 11.75 11.775 11.8 11.825 11.85 11.875 11.9 11.925 11.95 11.975 12.0 12.025 12.05 12.075 12.1 12.125 12.15 12.175 12.2 12.225 12.25 12.275 12.3 12.325 12.35 12.375 12.4 12.425 12.45 12.475 12.5 12.525 12.55 12.575
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
547.500 550.000 549.167 548.333 547.500 547.500 275.000 277.500 277.500 277.500 277.500 277.500 280.000 280.000 280.000 280.000 280.000 280.000 282.500 282.500 282.500 282.500 285.000 285.000 285.000 285.000 285.000 285.000 287.500 287.500 287.500 287.500 290.000 290.000 290.000 290.833 291.667 292.500 292.500 292.500 292.500 295.000 295.000 295.000 295.000 297.500 297.500 297.500 300.000 300.000 300.000 300.000 302.500 302.500 302.500 305.000 305.000 305.000 307.500 307.500 307.500 310.000 310.000 310.000 312.500 312.500 312.500 315.000 315.000 315.000 317.500 317.500 317.500 320.000 320.000 322.500 322.500 322.500 325.000 325.000 325.000 327.500 327.500 330.000 330.000 332.500 332.500 335.000 335.000 337.500 337.500 340.000 340.000 342.500 342.500 345.000 345.000 347.500 347.500 350.000 350.000 352.500 352.500 353.750 355.000 357.500 357.500 360.000 362.500 362.500 364.167 365.833 367.500 370.000 372.500 372.500 375.000 376.875 378.750 380.625 382.500 385.000 387.500 390.000 392.500 395.000 397.500 400.000 402.500 405.000 408.750 412.500 415.000 417.500 422.500 425.000 425.000 430.000 437.500 440.000 442.500 448.571 455.992 465.268 477.194 493.095
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
81 69 0 0 84 87 87 84 84 87 87 87 81 84 87 87 87 87 84 87 87 87 81 72 75 87 84 84 81 69 72 84 81 84 84 0 81 81 84 84 84 84 84 75 72 84 84 84 81 81 84 81 81 81 81 81 81 81 78 81 81 78 81 81 78 81 81 42 45 81 81 81 81 81 81 81 84 48 45 81 81 45 45 45 45 81 84 45 48 45 48 81 84 45 48 45 48 81 84 45 45 42 45 39 42 42 42 45 42 42 42 42 42 42 42 42 45 0 42 0 78 39 42 42 39 39 39 39 39 39 39 39 42 45 42 45 45 45 42 45 45 78 78 0 0 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 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 -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 9.375 -3.125
</TraceValueList>
</Trace>
<Trace Type="standard" Layer="F1" Polarization="O" Num="158">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05 6.075 6.1 6.125 6.15 6.175 6.2 6.225 6.25 6.275 6.3 6.325 6.35 6.375 6.4 6.425 6.45 6.475 6.5 6.525 6.55 6.575 6.6 6.625 6.65 6.675 6.7 6.725 6.75 6.775 6.8 6.825 6.85 6.875 6.9 6.925 6.95 6.975 7.0 7.025 7.05 7.075 7.1 7.125 7.15 7.175 7.2 7.225 7.25 7.275 7.3 7.325 7.35 7.375 7.4 7.425 7.45 7.475 7.5 7.525 7.55 7.575 7.6 7.625 7.65 7.675 7.7 7.725 7.75 7.775 7.8 7.825 7.85 7.875 7.9 7.925 7.95 7.975 8.0 8.025 8.05 8.075 8.1 8.125 8.15 8.175 8.2 8.225 8.25 8.275 8.3 8.325 8.35 8.375 8.4 8.425 8.45 8.475 8.5 8.525 8.55 8.575 8.6 8.625 8.65 8.675 8.7 8.725 8.75 8.775 8.8 8.825 8.85 8.875 8.9 8.925
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
262.500 261.250 260.000 260.000 260.000 260.000 260.000 260.000 260.000 260.000 260.000 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 256.875 256.250 255.625 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 275.769 296.538 317.308 338.077 358.846 379.615 400.385 421.154 441.923 462.692 483.462 504.231 525.000 525.000 525.000 525.000 525.625 526.250 526.875 527.500 528.125 528.750 529.375 530.000 530.000 532.500 532.500 532.500 532.500 532.500 532.500 535.000 535.000 537.500 537.500 537.500 537.500 540.000 545.000 540.000 542.500 543.333 544.167 545.000 545.000 545.000 547.500 550.000 549.167 548.333 547.500 547.500
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 0 78 78 81 0 0 78 0 72 75 78 81 81 81 96 93 78 75 0 0 72 75 78 78 78 78 75 78 78 75 0 75 75 75 75 72 0 0 0 0 0 72 84 84 84 0 0 72 75 75 78 78 78 78 78 81 81 81 81 84 84 84 81 81 81 81 81 81 84 84 84 84 84 84 84 84 60 57 57 57 84 81 72 72 84 87 87 87 75 75 75 75 75 75 87 87 87 87 84 84 69 69 66 63 36 0 0 0 0 0 0 0 0 0 0 0 0 75 75 75 75 0 0 0 0 0 0 0 78 81 78 75 75 69 72 72 90 87 84 84 63 63 33 33 33 36 0 0 81 84 84 81 69 0 0 84 87
</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 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 3.125 -3.125 3.125 -3.125 -3.125 -21.875 -21.875 -3.125 -9.375 -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 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="Es" Polarization="O" Num="56">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.15 3.175 3.2 3.225 3.25 3.275 3.3 3.325 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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 93.750 95.000 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 95.000 95.000 95.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 0 60 69 60 69 66 93 90 0 81 69 69 0 69 75 84 63 69 0 0 0 72 0 60 81 0 0 0 84 0 96 0 0 0 93 0 0 0 0 0 0 0 60 69 81 81 81 84 84 81 57 57 54 54 78
</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 9.375 -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>
</TraceList>
</SAORecord>
</SAORecordList>
