<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-13 -103 23:05:00.000"
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="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" >
2026.04.13 (103) 23:05:00</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">
FF202610304132305001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.650" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.641" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="9.650" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.400" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.400" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.050" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="252.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="252.500" 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="2.400" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="252.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.400" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.400" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="251.085" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="234.343" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.609" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="23.858" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.483" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.564" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.470" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.960" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="11">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
252.500 257.500 262.500 267.500 272.500 277.500 284.363 292.126 300.979 311.169 323.023
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
81 81 81 0 0 0 0 69 0 0 69
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="342">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.25 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 176.5 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 209.75 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 251.085 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0
</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 0.3538872 0.35354906 0.35306174 0.352277 0.35134757 0.35012823 0.34869877 0.34706512 0.34523398 0.343142 0.34080055 0.3382224 0.33542153 0.33234677 0.3290187 0.32545936 0.32156938 0.31744388 0.31299958 0.30822688 0.30312735 0.29771414 0.29194102 0.28570086 0.27913103 0.27213752 0.26456448 0.256557 0.2479685 0.23874018 0.22879031 0.21807829 0.20660281 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.20231579 0.20694737 0.21157895 0.21621053 0.22084211 0.22547369 0.23010527 0.23473684 0.23936842 0.244 0.24863158 0.25326315 0.25789472 0.2625263 0.26715788 0.27178946 0.27642104 0.28105262 0.2856842 0.29031578 0.29494736 0.29957893 0.3042105 0.3088421 0.31347367 0.31810525 0.32273683 0.3273684 0.332 0.33663157 0.34126315 0.34589472 0.3505263 0.354 0.36292496 0.3997598 0.4386195 0.47972688 0.52324927 0.56932247 0.6180248 0.6694242 0.7235201 0.7803053 0.8397033 0.9016201 0.96594113 1.0324956 1.1011093 1.1715864 1.2436843 1.317191 1.3918382 1.4673728 1.5435066 1.6199731 1.6964362 1.7726066 1.8481414 1.9226794 1.995882 2.0673463 2.1366663 2.2034414 2.2672334 2.3276014 2.3840861 2.4362416 2.483621 2.5257995 2.5623684 2.592957 2.617245 2.634964 2.645916 2.649975 2.65 2.6486483 2.6441808 2.6367524 2.6265316 2.613687 2.5983858 2.5807931 2.5610719 2.5393806 2.5158741 2.4907022 2.4640095 2.435936 2.4066153 2.3761752 2.344738 2.3124197 2.2793305 2.245575 2.2112508 2.176451 2.1412623 2.1057665 2.0700395 2.0341523 1.9981712 1.9621575 1.9261678 1.8902547 1.8544666 1.8188477 1.7834387 1.7482767 1.7133955 1.6788257 1.644595 1.6107283 1.5772479 1.5441735 1.5115227 1.4793109 1.4475515 1.4162561 1.3854345 1.3550949 1.3252442 1.2958876 1.2670293 1.2386724 1.2108185 1.1834687 1.156623 1.1302805 1.1044397 1.0790982 1.0542533 1.0299015 1.0060388 0.9826608 0.95976263 0.9373392 0.9153849 0.89389396 0.8728603 0.85227776 0.83213973 0.8124397 0.79317087 0.7743263 0.7558992 0.7378824 0.7202688 0.7030514 0.6862229 0.66977626 0.65370435 0.638 0.62265617 0.6076657 0.5930217 0.5787172 0.5647451 0.5510989 0.5377716 0.5247566 0.51204735 0.49963728 0.48752 0.47568914 0.4641385 0.45286196 0.44185343 0.431107 0.4206168 0.41037714 0.40038234 0.39062685 0.38110527 0.37181225 0.36274254 0.35389107 0.34525275 0.33682266 0.32859597 0.32056797 0.312734 0.30508953 0.29763013 0.29035145 0.2832492 0.2763192 0.26955745 0.26295993 0.25652272 0.250242 0.24411409 0.23813531 0.2323021 0.22661097 0.22105855 0.21564148 0.21035652 0.2052005 0.20017031 0.19526291 0.19047536 0.18580475 0.18124826 0.17680313 0.17246667 0.16823624 0.16410929 0.1600833 0.1561558 0.15232442 0.14858682 0.14494073 0.14138392 0.1379142 0.13452947 0.13122766 0.12800674 0.12486475 0.12179975 0.11880988 0.11589329 0.1130482 0.11027286 0.10756558 0.10492468 0.10234854 0.0998356 0.09738428 0.0949931 0.09266057 0.090385266 0.08816579 0.08600077 0.08388887 0.0818288 0.07981929 0.07785909 0.075946994 0.07408184 0.07226246 0.07048773 0.06875657 0.06706791 0.0654207 0.06381393 0.06224661 0.06071777 0.05922646 0.05777177 0.056352794 0.05496866 0.053618513 0.05230152 0.051016863

</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="2.65" PeakHeight="251.085" Num="5" zHalfNm="234.343" Error="1.167">
-40.725 -0.928 0.407 -0.145 0.056
</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="6513.25" A="-1.37420415E11" B="4.2413708E7" C="-3272.5374" Error="0.00164"/>
<QuasiParabolic ID="2" StartDistance="6513.25" EndDistance="6546.5" A="0.0" B="3878.642" C="-0.5554725" Error="0.0749"/>
<QuasiParabolic ID="3" StartDistance="6546.5" EndDistance="6577.0" A="-8.2073421E9" B="2389413.2" C="-173.44714" Error="0.0749"/>
<QuasiParabolic ID="4" StartDistance="6577.0" EndDistance="6579.0" A="1.33575698E12" B="-4.06296736E8" C="30895.896" Error="7.17E-5"/>
<QuasiParabolic ID="5" StartDistance="6579.0" EndDistance="6584.0" A="8.2035422E12" B="-2.49408666E9" C="189566.67" Error="0.0668"/>
<QuasiParabolic ID="6" StartDistance="6584.0" EndDistance="6611.0" A="9.8549147E12" B="-2.99571866E9" C="227661.44" Error="0.0571"/>
<QuasiParabolic ID="7" StartDistance="6611.0" EndDistance="6621.085" A="-3.11414028E13" B="9.4067374E9" C="-710355.2" Error="0.00892"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="99.75" Depth="0.154"/>
<TopsideChapman PeakHeight="251.085" PeakDensity="87127.79" PeakScaleHeight="12.564" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
