<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-18 -049 00:30:00.000"
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="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" >
2026.02.18 (049) 00:30:00</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">
FF202604902180030001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="21" >
<URSI ID="00" Val="6.150" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.010" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.509" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.100" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="4.525" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.375" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.475" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="202.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="202.500" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="34" Val="97.500" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.075" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="202.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.375" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.375" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.581" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<Custom Name="fminEs" Val="2.100" Description="Minimum frequency of Es-layer" Units="MHz" />
<URSI ID="32" Val="3.375" Name="fbEs" Units="MHz" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="112">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 207.717 212.935 218.152 223.370 228.587 233.804 239.022 244.239 249.457 254.674 259.891 265.109 270.326 275.543 280.761 285.978 291.196 296.413 301.630 306.848 312.065 317.283 322.500 325.000 325.000 327.500 330.000 330.000 332.500 332.500 335.000 335.000 337.500 337.500 340.000 340.000 342.500 345.000 345.000 347.500 347.500 350.000 350.000 352.500 352.500 355.000 357.500 360.000 360.000 365.000 365.000 367.500 370.000 372.500 372.500 377.500 377.500 380.000 385.000 387.500 390.000 395.000 397.500 402.500 405.000 410.000 415.000 415.000 422.500 425.000 430.000 435.000 440.490 446.527 453.200 460.613 468.897 478.214 488.772 500.835 514.751 530.981 550.155
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
108 108 108 0 96 0 0 0 87 87 87 87 99 99 87 84 108 108 108 111 111 0 0 0 0 108 111 108 105 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 78 78 81 87 84 84 78 93 99 69 66 69 63 66 60 57 63 96 99 102 99 105 105 105 105 105 102 96 96 96 96 96 99 96 96 99 99 60 60 57 54 54 54 54 54 93 93 60 60 96 93 93 90 90 0 0 0 0 0 0 0
</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 7.8125 -1.5625 -7.8125 7.8125 -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 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625
</TraceValueList>
</Trace>
<Trace Type="standard" Layer="Es" Polarization="O" Num="98">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.425 4.45 4.475 4.5 4.525
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.667 97.833 98.000 98.167 98.333 98.500 98.667 98.833 99.000 99.167 99.333 99.500 99.667 99.833 100.000 100.000 100.000 100.000 99.688 99.375 99.063 98.750 98.438 98.125 97.813 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 100.000 100.000 100.000 100.000 97.500 100.000 100.000 100.000 100.000 99.583 99.167 98.750 98.333 97.917 97.500 97.500 100.000 100.000 100.000 97.500 97.500 98.333 99.167 100.000 100.000 100.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 0 75 0 75 66 66 54 0 0 0 0 0 0 0 0 0 0 0 0 0 0 63 66 69 69 0 0 0 0 0 0 0 57 63 78 78 0 0 0 0 0 0 0 0 0 0 0 0 0 105 0 0 0 0 0 0 0 0 0 0 72 0 84 90 78 78 102 99 102 102 102 102 102 105 105 105 108 102 99 96 0 0 0 0 0 81 84 93 96 96 96 90 0 0 66 66 84
</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
</TraceValueList>
</Trace>
</TraceList>
</SAORecord>
</SAORecordList>
