<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-18 -049 23:40:00.000"
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 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" >
2026.02.18 (049) 23:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.16" 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">
FF202604902182340001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="21" >
<URSI ID="00" Val="7.950" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.044" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="24.203" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="4.400" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.825" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="8.425" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="187.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="187.500" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="34" Val="90.000" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="7.100" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="337.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.875" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.875" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="7.344" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<Custom Name="fminEs" Val="2.025" Description="Minimum frequency of Es-layer" Units="MHz" />
<URSI ID="32" Val="2.825" Name="fbEs" Units="MHz" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="206">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
190.000 190.000 187.500 190.000 190.000 190.000 190.000 190.000 190.000 190.000 190.000 190.000 190.000 201.875 213.750 225.625 237.500 237.500 237.500 237.500 238.750 240.000 237.500 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 242.500 242.500 242.500 242.500 245.000 245.000 245.000 245.000 245.000 245.000 246.250 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 249.375 251.250 253.125 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 257.500 257.500 257.500 257.500 260.000 260.000 260.000 261.250 262.500 262.500 262.500 262.500 262.500 262.500 265.000 265.000 265.000 265.000 265.000 265.000 267.500 267.500 267.500 270.000 270.000 270.000 270.000 270.000 272.500 272.500 272.500 272.500 272.500 275.000 275.000 275.000 277.500 277.500 277.500 280.000 280.000 280.000 280.000 280.000 282.500 282.500 282.500 285.000 285.000 285.000 287.500 287.500 287.500 287.500 290.000 290.000 290.000 292.500 292.500 292.500 292.500 295.000 297.500 297.500 297.500 297.500 300.000 300.000 302.500 302.500 305.000 305.000 305.000 307.500 307.500 310.000 312.500 312.500 312.500 312.500 317.500 317.500 317.500 317.500 320.000 320.000 322.500 322.500 325.000 325.000 330.000 330.000 330.833 331.667 332.500 335.000 337.500 337.500 340.000 342.500 345.000 347.500 350.000 351.250 352.500 355.000 357.500 360.000 365.000 365.000 367.500 370.000 372.500 380.000 384.167 388.333 392.500 395.000 397.500 405.000 410.000 412.500 417.500 427.500 432.500 441.752 452.402 464.790 479.380 496.819 518.029 544.381
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
48 48 30 27 0 0 0 0 0 0 0 78 84 0 0 0 72 78 78 75 81 87 93 90 81 84 60 54 57 60 60 57 57 57 72 72 69 66 63 63 87 87 78 81 0 90 66 66 69 0 75 81 93 93 93 93 0 0 0 66 78 78 66 57 30 0 0 48 69 75 105 102 75 72 63 63 63 69 81 81 78 0 93 93 99 102 99 99 90 84 0 96 96 93 93 102 90 90 78 78 87 84 87 90 87 84 102 102 87 84 87 87 90 90 90 87 84 81 84 87 87 87 90 93 87 90 90 87 87 84 84 84 90 87 84 0 78 81 84 81 84 84 84 81 78 81 78 81 81 84 78 81 81 78 75 78 72 75 84 87 90 87 81 81 54 54 0 0 87 90 72 72 72 69 69 69 63 0 66 66 66 69 69 72 75 72 72 66 0 0 66 69 69 63 63 66 63 63 0 0 0 0 60 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 -3.125 3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 -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="96">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
92.500 92.500 95.000 95.000 95.000 92.500 92.500 90.000 91.250 92.500 92.500 90.000 90.000 90.000 92.500 92.500 90.000 92.500 95.000 95.000 94.167 93.333 92.500 92.500 92.500 92.500 92.500 92.500 95.000 95.000 95.000 92.500 92.500 92.500 92.500 92.500 92.500 92.500 92.500 95.000 95.000 95.000 95.833 96.667 97.500 96.250 95.000 95.000 95.000 100.000 95.000 95.000 97.500 96.250 95.000 95.000 95.000 96.250 97.500 95.000 92.500 92.500 95.000 95.000 95.000 95.000 95.000 96.250 97.500 97.500 97.500 97.500 97.500 97.500 92.500 95.000 100.000 95.000 95.000 93.750 92.500 92.500 92.500 95.000 95.000 95.000 94.688 94.375 94.063 93.750 93.438 93.125 92.813 92.500 92.500 92.500
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 60 48 0 60 69 72 75 63 60 45 39 0 0 48 57 51 0 60 57 0 0 66 66 63 63 60 63 57 54 75 72 0 0 0 0 0 30 60 60 60 60 0 0 78 69 75 75 87 72 84 87 93 87 84 0 0 0 54 0 51 57 51 0 54 0 66 0 57 0 0 57 0 81 78 81 81 0 66 69 78 78 75 78 87 90 0 84 0 0 81 75 81 78 66 69
</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
</TraceValueList>
</Trace>
</TraceList>
</SAORecord>
</SAORecordList>
