<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-16 -106 22:35:00.000"
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" >
2026.04.16 (106) 22:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610604162235001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="17" >
<URSI ID="00" Val="4.175" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.613" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.085" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.600" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.600" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.425" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="207.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="207.500" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.875" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="267.500" 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="6.018" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="64">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
207.500 207.500 208.125 208.750 209.375 210.000 212.500 212.500 212.500 212.500 212.500 213.000 213.500 214.000 214.500 215.000 216.250 217.500 217.500 217.500 217.500 220.000 220.000 220.000 222.500 222.500 225.000 227.500 227.500 227.500 227.500 227.500 230.000 231.250 232.500 232.500 235.000 235.000 237.500 237.500 237.500 240.000 242.500 245.000 247.813 250.625 253.438 256.250 259.063 261.875 264.688 267.500 271.516 275.933 280.816 286.242 292.306 299.129 306.863 315.702 325.902 337.804 351.872 368.757
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
60 57 0 0 0 60 60 63 63 36 33 0 0 0 0 57 0 69 72 69 72 81 0 78 81 84 84 66 66 78 84 81 78 66 69 69 69 66 69 69 66 54 57 54 0 0 0 0 0 0 0 63 0 87 87 63 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 -9.375 -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
</TraceValueList>
</Trace>
</TraceList>
</SAORecord>
</SAORecordList>
