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FormatVersion="5.0"
StartTimeUTC="2026-03-14 -073 08:05:00.000"
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="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" >
2026.03.14 (073) 08:05:00</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">
FF202607303140805001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="17" >
<URSI ID="00" Val="3.900" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.299" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.867" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="210.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="210.000" 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="0.475" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.200" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="252.105" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.869" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="77">
<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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
210.000 210.000 210.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 216.250 217.500 217.500 217.500 217.500 220.000 220.000 220.000 220.000 220.000 221.250 222.500 222.500 225.000 225.500 226.000 226.500 227.000 227.500 235.000 233.750 232.500 231.250 230.000 231.579 233.158 234.737 236.316 237.895 239.474 241.053 242.632 244.211 245.789 247.368 248.947 250.526 252.105 310.000 311.250 312.500 312.500 312.500 313.500 314.500 315.500 316.500 317.500 322.500 327.500 332.500 335.000 336.087 337.174 338.261 339.348 340.435 341.522 342.609 343.696 344.783 345.870 346.957 351.187 356.066 361.754
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 78 75 66 63 78 75 81 81 66 66 0 54 48 45 75 78 0 72 63 66 0 69 72 72 66 0 60 0 63 66 0 51 51 51 69 0 0 60 93 96 90 87 90 90 99 96 93 0 93 93 0 0 90 0 0 0 0 0 0 0 0 63 0 0 0 0 0 0 0 0 0 0 0 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
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</Trace>
</TraceList>
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