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FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 23:20:00.000"
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" >
2026.05.07 (127) 23:20:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
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<DigisondePreface Format="FF">
FF202612705072320001291297002000002515000000001107301000080205120000B05040001
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<CharacteristicList Num="17" >
<URSI ID="00" Val="3.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.165" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.633" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.275" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.275" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.975" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="250.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="250.000" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.500" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="352.974" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.275" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.275" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.213" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="57">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
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<RangeList Type="float" Units="km" Description="Group Range" >
250.000 252.500 255.000 256.667 258.333 260.000 261.667 263.333 265.000 272.500 272.500 273.750 275.000 276.250 277.500 282.500 283.750 285.000 287.500 290.000 292.500 292.500 295.000 295.000 298.750 302.500 303.333 304.167 305.000 305.000 310.000 311.250 312.500 315.000 317.500 318.750 320.000 322.500 325.000 327.500 328.125 328.750 329.375 330.000 340.000 341.922 344.111 346.625 349.544 352.974 357.061 362.015 368.143 375.921 386.117 400.066 420.309
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
45 45 48 0 0 0 0 0 60 57 60 0 0 0 60 63 0 63 63 63 54 54 45 42 0 60 0 0 78 81 87 0 90 0 102 0 105 105 108 108 108 99 66 69 102 99 93 90 78 0 0 0 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</Trace>
</TraceList>
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