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<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-23 -054 23:55:00.000"
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" >
2026.02.23 (054) 23:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.16" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="85.88234" Status="predicted"/>
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<DigisondePreface Format="FF">
FF202605402232355001291297002000002515000000001107301000080205120000B05040001
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<CharacteristicList Num="21" >
<URSI ID="00" Val="6.425" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.185" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="20.466" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.375" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="3.450" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.675" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="7.225" 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="125.000" 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="5.900" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="327.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.675" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.675" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="7.114" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<Custom Name="fminEs" Val="2.375" Description="Minimum frequency of Es-layer" Units="MHz" />
<URSI ID="32" Val="2.675" Name="fbEs" Units="MHz" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="151">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
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</TraceValueList>
</Trace>
<Trace Type="standard" Layer="Es" Polarization="O" Num="44">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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<RangeList Type="float" Units="km" Description="Group Range" >
132.500 132.500 132.500 132.500 132.500 131.250 130.000 125.000 127.500 130.000 130.000 130.000 130.000 130.000 130.000 132.500 132.500 132.500 132.500 132.500 131.667 130.833 130.000 130.000 130.000 132.500 132.500 131.250 130.000 130.000 130.000 127.500 127.500 127.500 130.000 130.000 130.000 132.500 132.500 132.500 132.500 132.500 132.500 132.500
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<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 0 0 54 66 0 75 78 66 69 66 69 69 69 66 63 51 51 36 39 0 0 69 66 84 78 66 75 102 102 93 93 84 84 96 81 93 90 0 57 0 102 87 90
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<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</Trace>
</TraceList>
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