<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-03 -123 07:55:00.000"
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 2 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.03 (123) 07:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612305030755001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.825" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.213" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.902" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.100" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="192.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="192.500" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.725" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="218.155" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="197.060" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="184.211" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.409" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="18.371" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.442" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="16.830" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.000" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="33">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
192.500 192.500 192.500 192.500 192.500 195.000 195.000 195.000 195.000 195.625 196.250 196.875 197.500 197.500 200.000 200.000 200.000 202.500 202.500 202.500 203.383 204.382 205.521 206.832 208.357 210.153 212.299 214.910 218.155 222.294 227.759 235.307 246.410
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 78 66 0 81 81 81 81 72 0 0 0 54 54 63 66 81 75 72 72 72 72 72 72 72 72 72 69 66 63 54 57 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="262">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 129.25 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 148.5 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.75 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 197.06 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21213934 0.23390245 0.2526677 0.26895854 0.28319094 0.29565945 0.30659118 0.31614733 0.32445762 0.331616 0.33769703 0.34275886 0.34684667 0.3499937 0.352225 0.3535571 0.354 0.35375586 0.35312265 0.35191265 0.35033494 0.34821823 0.34559593 0.34250996 0.33892286 0.3348177 0.33020067 0.32495445 0.3191686 0.31270903 0.30557105 0.2977397 0.28906867 0.2796508 0.26920512 0.2577122 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.2565974 0.2617922 0.26698703 0.2721818 0.27737662 0.28257143 0.28776625 0.29296103 0.29815584 0.30335066 0.30854544 0.31374025 0.31893507 0.32412988 0.32932466 0.33451948 0.3397143 0.3449091 0.35010388 0.354 0.3637843 0.4102119 0.4690193 0.5385095 0.6152655 0.6967784 0.7822015 0.8717859 0.9662338 1.066552 1.173745 1.2887654 1.4122999 1.5442016 1.6831163 1.8259912 1.9681536 2.1044676 2.230596 2.3439515 2.443573 2.5296407 2.6028676 2.6642034 2.714575 2.7547848 2.7854996 2.807222 2.8203125 2.8249907 2.825 2.822864 2.8160877 2.804961 2.7897844 2.7708573 2.7484753 2.7229273 2.6944954 2.663452 2.6300585 2.5945666 2.5572145 2.518229 2.4778242 2.4362016 2.3935494 2.3500445 2.3058505 2.2611203 2.2159941 2.170602 2.1250634 2.0794868 2.0339723 1.9886099 1.9434819 1.8986621 1.8542168 1.8102055 1.7666808 1.7236896 1.6812726 1.6394657 1.5982999 1.5578015 1.5179929 1.4788927 1.4405159 1.4028747 1.365978 1.3298324 1.294442 1.259809 1.2259331 1.1928128 1.1604449 1.1288246 1.0979462 1.0678027 1.038386 1.0096875 0.9816977 0.9544062 0.92780244 0.90187526 0.8766129 0.8520036 0.8280351 0.80469507 0.7819709 0.75985 0.73831964 0.7173671 0.6969796 0.67714447 0.657849 0.6390807 0.620827 0.60307574 0.58581454 0.5690315 0.5527146 0.5368522 0.5214328 0.5064451 0.4918779 0.47772032 0.46396163 0.4505913 0.4375991 0.42497486 0.41270882 0.40079126 0.38921276 0.3779641 0.36703634 0.3564206 0.34610838 0.33609125 0.32636106 0.31690982 0.3077298 0.29881343 0.2901533 0.28174224 0.27357325 0.2656395 0.2579344 0.25045142 0.24318431 0.23612694 0.22927335 0.22261773 0.21615447 0.20987806 0.20378317 0.19786462 0.19211735 0.18653648 0.1811172 0.1758549 0.17074509 0.16578335 0.16096544 0.15628722 0.15174468 0.14733388 0.14305104 0.13889249 0.1348546 0.13093391 0.12712704 0.12343069 0.11984167 0.11635687 0.11297329 0.10968798 0.10649811 0.10340091 0.10039369 0.09747386 0.09463887 0.091886275 0.08921367 0.08661875 0.08409926 0.08165301 0.079277866 0.07697178 0.07473273 0.07255878 0.07044805 0.068398684 0.06640891 0.064477004 0.062601276 0.060780093 0.059011877 0.057295084 0.05562822 0.05400984 0.05243853 0.050912924

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.354" PeakHeight="110.0" Num="3" Error="0.0">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="2.825" PeakHeight="197.06" Num="5" zHalfNm="184.211" Error="0.641">
-30.936 3.047 -2.062 1.064 -0.423
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0205" EndDistance="6480.001" A="-5.5027394E11" B="1.69837632E8" C="-13104.63" Error="0.0016"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6499.25" A="-2.90721038E11" B="8.972872E7" C="-6923.387" Error="9.59E-4"/>
<QuasiParabolic ID="2" StartDistance="6499.25" EndDistance="6518.5" A="0.0" B="309.07532" C="0.01702234" Error="0.00122"/>
<QuasiParabolic ID="3" StartDistance="6518.5" EndDistance="6537.0" A="4.1165521E10" B="-1.274485E7" C="986.4366" Error="0.00467"/>
<QuasiParabolic ID="4" StartDistance="6537.0" EndDistance="6545.0" A="1.72515498E13" B="-5.2782746E9" C="403734.62" Error="0.019"/>
<QuasiParabolic ID="5" StartDistance="6545.0" EndDistance="6553.0" A="3.8896491E13" B="-1.18924657E10" C="909020.4" Error="0.0289"/>
<QuasiParabolic ID="6" StartDistance="6553.0" EndDistance="6555.0" A="4.617529E13" B="-1.41139825E10" C="1078524.2" Error="0.00496"/>
<QuasiParabolic ID="7" StartDistance="6555.0" EndDistance="6567.06" A="-4.5352988E13" B="1.3812266E10" C="-1051624.4" Error="0.00243"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="57.75" Depth="0.1"/>
<TopsideChapman PeakHeight="197.06" PeakDensity="99015.195" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
