<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-09 -068 05:20:00.000"
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" >
2026.03.09 (068) 05:20:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202606803090520001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="17" >
<URSI ID="00" Val="5.800" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.340" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="19.371" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.475" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.475" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.175" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="105.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="105.000" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.000" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="180.938" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.500" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.500" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.849" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="94">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
106.250 105.000 105.000 105.000 109.219 113.438 117.656 121.875 126.094 130.313 134.531 138.750 142.969 147.188 151.406 155.625 159.844 164.063 168.281 172.500 176.719 180.938 185.156 189.375 193.594 197.813 202.031 206.250 210.469 214.688 218.906 223.125 227.344 231.563 235.781 240.000 244.219 248.438 252.656 256.875 261.094 265.313 269.531 273.750 277.969 282.188 286.406 290.625 294.844 299.063 303.281 307.500 307.500 307.500 309.167 310.833 312.500 313.750 315.000 315.000 315.000 317.500 318.750 320.000 320.000 320.000 325.000 325.000 325.000 325.000 327.917 330.833 333.750 336.667 339.583 342.500 346.250 350.000 353.750 357.500 355.000 357.500 362.500 362.500 375.000 372.500 375.000 377.500 382.500 382.500 389.715 400.329 417.486 449.926
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
81 93 90 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90 96 93 90 93 0 0 66 0 90 90 90 90 0 90 66 72 102 108 108 108 93 93 0 0 0 99 0 54 0 87 102 105 102 105 99 99 96 99 99 93 84 84 84 81
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<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</TraceValueList>
</Trace>
</TraceList>
</SAORecord>
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