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FormatVersion="5.0"
StartTimeUTC="2026-03-23 -082 03:05:00.000"
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" >
2026.03.23 (082) 03:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608203230305001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="21" >
<URSI ID="00" Val="4.400" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.250" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.300" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="2.775" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.600" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.750" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="102.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="102.500" 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="2.975" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="183.333" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.600" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.600" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.188" 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="2.600" Name="fbEs" Units="MHz" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="73">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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" >
102.500 107.500 102.500 105.000 105.000 105.000 107.500 107.500 107.500 108.750 110.000 124.667 139.333 154.000 168.667 183.333 198.000 212.667 227.333 242.000 256.667 271.333 286.000 300.667 315.333 330.000 331.250 332.500 332.500 332.500 332.500 335.000 335.000 337.500 337.500 338.750 340.000 342.500 347.500 342.500 342.500 345.000 347.500 350.000 351.667 353.333 355.000 356.667 358.333 360.000 360.000 360.000 365.000 368.333 371.667 375.000 372.500 376.667 380.833 385.000 387.662 390.679 394.127 398.106 402.748 408.235 414.820 422.871 432.935 445.878 463.141 487.320 523.612
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 66 66 69 0 69 0 0 51 0 39 0 0 0 0 0 0 0 0 0 0 0 0 0 0 84 0 81 81 0 84 90 90 87 84 0 75 84 84 72 66 0 0 87 0 0 0 0 0 87 0 78 90 0 0 81 78 0 0 96 93 75 81 87 93 93 87 90 84 75 75 87 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</TraceValueList>
</Trace>
<Trace Type="standard" Layer="Es" Polarization="O" Num="32">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
100.000 100.000 100.000 100.000 100.000 100.000 100.000 97.500 97.500 102.500 101.667 100.833 100.000 100.000 97.500 97.500 97.500 97.500 97.500 100.000 100.000 100.000 100.000 100.000 100.000 100.000 100.000 100.000 100.000 100.000 101.250 102.500
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 0 0 72 78 75 81 78 66 0 0 57 60 57 0 66 81 75 72 75 66 75 75 75 66 66 69 0 72 72 57
</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
</TraceValueList>
</Trace>
</TraceList>
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