<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-01-27 -027 01:50:00.000"
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" >
2026.01.27 (027) 01:50:00</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">
FF202602701270150001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="17" >
<URSI ID="00" Val="10.400" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="2.920" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="30.370" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.150" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.150" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="10.825" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="252.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="252.500" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="9.550" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="380.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.150" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.150" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.215" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="291">
<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 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 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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
252.500 253.750 255.000 256.250 257.500 256.250 255.000 256.250 257.500 257.500 257.500 260.000 260.000 257.500 257.500 255.000 255.625 256.250 256.875 257.500 258.125 258.750 259.375 260.000 260.500 261.000 261.500 262.000 262.500 262.500 262.500 262.500 262.500 262.500 262.500 262.500 265.000 265.000 265.000 265.000 265.000 265.000 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 270.000 270.000 270.000 270.000 270.000 272.500 272.500 272.500 272.500 272.500 275.000 275.000 275.000 275.000 275.000 275.000 275.000 275.000 276.250 277.500 277.500 277.500 277.500 277.500 277.500 277.500 277.500 277.500 280.000 280.000 280.000 280.000 280.000 280.000 280.000 280.000 280.000 282.500 282.500 282.500 282.500 282.500 282.500 282.500 285.000 285.000 285.000 285.000 285.000 285.000 285.000 285.000 285.000 285.000 285.000 287.500 287.500 287.500 287.500 287.500 287.500 290.000 290.000 290.000 290.000 290.000 290.000 292.500 292.500 292.500 292.500 292.500 292.500 292.500 295.000 295.000 295.000 295.000 295.000 295.000 297.500 297.500 297.500 297.500 297.500 300.000 300.000 300.000 300.000 300.000 300.000 300.000 300.000 302.500 302.500 302.500 302.500 302.500 302.500 302.500 305.000 305.000 305.000 305.000 305.000 305.000 307.500 307.500 307.500 307.500 307.500 307.500 310.000 310.000 310.000 310.000 310.000 312.500 312.500 312.500 312.500 312.500 315.000 315.000 315.000 315.000 315.000 317.500 317.500 317.500 317.500 317.500 320.000 320.000 320.000 322.500 322.500 322.500 322.500 322.500 325.000 325.000 325.000 327.500 327.500 327.500 327.500 327.500 330.000 330.000 330.000 330.000 332.500 332.500 332.500 335.000 335.000 335.000 335.000 337.500 337.500 337.500 337.500 337.500 340.000 340.000 340.000 342.500 342.500 345.000 345.000 345.000 347.500 347.500 347.500 350.000 350.000 352.500 352.500 352.500 355.000 355.000 357.500 357.500 360.000 360.000 360.000 362.500 362.500 365.000 365.000 367.500 367.500 370.000 372.500 372.500 375.000 375.000 377.500 377.500 380.000 380.000 382.500 385.000 387.500 390.000 391.250 392.500 395.000 397.500 400.000 401.667 403.333 405.000 407.500 410.000 415.000 417.500 417.500 422.500 425.000 432.500 435.000 440.000 442.500 447.606 453.214 459.401 466.263 473.916 482.504 492.212 503.272 515.988 530.764 548.143
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
105 0 0 0 84 0 90 0 84 93 99 81 84 78 84 0 0 0 0 66 0 0 0 78 0 0 0 0 90 0 0 111 111 99 99 108 108 96 99 108 108 108 102 90 87 102 105 111 108 99 96 72 72 72 69 93 96 105 105 105 99 90 90 93 96 81 84 99 102 63 66 66 63 0 90 96 96 99 102 66 66 105 105 99 99 102 102 102 105 66 66 66 60 63 66 66 63 63 63 63 63 63 66 69 69 108 105 69 69 105 105 69 72 69 69 66 66 66 66 63 63 63 60 63 63 66 66 66 63 60 63 66 63 66 63 57 60 63 63 63 51 93 93 63 63 99 99 63 60 60 63 87 90 75 75 99 102 102 102 102 102 102 105 108 108 108 108 108 111 111 111 111 108 111 108 108 108 105 105 69 69 105 105 105 108 108 105 108 108 108 102 69 69 105 105 102 102 102 93 63 63 99 99 99 102 102 102 105 105 105 102 69 69 105 102 90 90 66 63 78 75 96 99 63 57 60 57 51 54 57 57 57 51 54 54 51 51 51 54 54 57 60 60 60 60 60 57 57 54 51 54 54 57 57 60 60 57 54 0 0 45 0 48 0 45 45 0 0 45 48 45 48 45 45 45 45 42 45 42 42 45 45 42 42 42 0 0 0 0 0 39
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 1.5625 -10.9375 -1.5625 -1.5625 1.5625 -1.5625 1.5625
</TraceValueList>
</Trace>
</TraceList>
</SAORecord>
</SAORecordList>
