<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-02 -122 05:10:00.000"
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" >
2026.05.02 (122) 05:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.20" 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">
FF202612205020510001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.925" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.603" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.538" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.575" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.575" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.275" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="270.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="270.000" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.875" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="298.724" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.575" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.575" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="261.759" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="245.277" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.795" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="23.549" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.577" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.405" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="23.660" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.080" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="15">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
270.000 272.500 272.500 275.000 277.500 277.500 279.581 281.891 284.471 287.372 290.655 294.404 298.724 303.757 309.694
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 78 78 78 66 0 0 0 0 0 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="355">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.065 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.13 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.195 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 261.759 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0
</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 0.35362422 0.35321164 0.35265058 0.35186794 0.35086685 0.34972504 0.34844565 0.34695974 0.34527344 0.34339368 0.3413982 0.33915433 0.3366743 0.33403826 0.33119124 0.32814848 0.324926 0.32141855 0.31771314 0.3137185 0.30952623 0.30506068 0.3003155 0.29527035 0.2899207 0.28434455 0.27837288 0.27198213 0.26526895 0.25816205 0.25052258 0.24248043 0.2338101 0.22459817 0.21474929 0.20426346 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 0.2 0.2 0.2 0.2 0.20361473 0.20776959 0.21192446 0.21607932 0.22023419 0.22438905 0.2285439 0.23269877 0.23685363 0.2410085 0.24516337 0.24931823 0.25347307 0.25762796 0.26178282 0.2659377 0.27009255 0.2742474 0.27840227 0.28255713 0.286712 0.29086685 0.2950217 0.29917657 0.30333143 0.3074863 0.31164116 0.31579605 0.3199509 0.32410577 0.32826063 0.3324155 0.33657035 0.3407252 0.34488007 0.34903494 0.3531898 0.354 0.38526657 0.42645162 0.4704286 0.51736754 0.5674316 0.6207266 0.67736125 0.73737967 0.8007942 0.867597 0.9377143 1.0110215 1.0873926 1.1666187 1.2484391 1.332592 1.4187413 1.506539 1.5955716 1.6854362 1.775695 1.8658702 1.9554671 2.0439937 2.1309705 2.2158427 2.2981246 2.3772876 2.452847 2.524301 2.5911658 2.6530058 2.7093835 2.759899 2.8042023 2.8419664 2.8729215 2.896828 2.9135172 2.9228582 2.925 2.9248927 2.9222012 2.9160328 2.9065795 2.8940349 2.8785915 2.8604407 2.8397706 2.816766 2.7916071 2.764469 2.7355208 2.7049263 2.6728418 2.639418 2.6047978 2.569118 2.5325081 2.495091 2.456982 2.4182904 2.3791184 2.3395622 2.2997115 2.2596498 2.2194552 2.1792 2.1389506 2.0987694 2.058713 2.0188336 1.9791791 1.9397932 1.9007156 1.8619823 1.8236259 1.7856756 1.7481575 1.7110951 1.6745087 1.6384166 1.6028345 1.5677758 1.5332524 1.4992737 1.4658477 1.4329807 1.4006776 1.3689418 1.3377757 1.3071803 1.2771555 1.2477007 1.2188138 1.1904923 1.162733 1.1355318 1.1088841 1.0827849 1.0572287 1.0322094 1.0077206 0.9837558 0.96030796 0.93736976 0.9149338 0.89299256 0.87153816 0.8505627 0.8300582 0.81001663 0.79042983 0.7712896 0.75258774 0.7343161 0.7164664 0.69903064 0.6820006 0.6653682 0.6491254 0.6332643 0.617777 0.60265565 0.58789265 0.5734803 0.55941105 0.54567754 0.5322724 0.51918846 0.5064186 0.49395582 0.48179328 0.46992418 0.4583419 0.44703993 0.43601185 0.42525136 0.41475233 0.40450865 0.39451444 0.38476387 0.37525123 0.36597097 0.35691756 0.3480857 0.33947012 0.33106568 0.3228674 0.3148703 0.30706963 0.29946068 0.29203883 0.28479958 0.27773857 0.27085146 0.26413408 0.2575823 0.25119212 0.24495965 0.23888102 0.2329525 0.22717044 0.22153127 0.2160315 0.21066774 0.20543665 0.200335 0.1953596 0.19050737 0.1857753 0.1811604 0.17665985 0.1722708 0.16799054 0.16381636 0.15974566 0.1557759 0.1519046 0.14812931 0.14444768 0.1408574 0.13735619 0.13394189 0.13061231 0.1273654 0.124199085 0.12111138 0.11810035 0.115164086 0.112300746 0.10950852 0.106785655 0.104130425 0.10154116 0.09901622 0.09655401 0.09415299 0.09181162 0.08952844 0.087302 0.08513089 0.08301374 0.08094922 0.078936 0.076972835 0.07505847 0.07319169 0.07137132 0.0695962 0.06786522 0.06617727 0.06453129 0.06292624 0.06136109 0.05983486 0.05834658 0.056895312 0.055480126 0.054100133 0.05275446 0.05144225 0.050162673

</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="2.925" PeakHeight="261.759" Num="5" zHalfNm="245.277" Error="0.312">
-40.623 0.085 -0.056 0.011 0.019
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6517.065" A="-1.10707016E11" B="3.4168832E7" C="-2636.3586" Error="0.00177"/>
<QuasiParabolic ID="2" StartDistance="6517.065" EndDistance="6554.13" A="0.0" B="464.23557" C="-0.031198196" Error="0.00918"/>
<QuasiParabolic ID="3" StartDistance="6554.13" EndDistance="6556.0" A="-1.63355296E12" B="4.98289088E8" C="-37998.727" Error="0.0333"/>
<QuasiParabolic ID="4" StartDistance="6556.0" EndDistance="6579.0" A="7.1836729E10" B="-2.1964018E7" C="1678.9062" Error="0.0394"/>
<QuasiParabolic ID="5" StartDistance="6579.0" EndDistance="6590.0" A="-4.1321837E10" B="1.2435911E7" C="-935.46735" Error="0.00513"/>
<QuasiParabolic ID="6" StartDistance="6590.0" EndDistance="6592.0" A="1.09742045E13" B="-3.33066778E9" C="252714.28" Error="0.0344"/>
<QuasiParabolic ID="7" StartDistance="6592.0" EndDistance="6602.0" A="9.0276354E12" B="-2.74008243E9" C="207918.67" Error="0.0343"/>
<QuasiParabolic ID="8" StartDistance="6602.0" EndDistance="6605.0" A="2.50627993E13" B="-7.5977508E9" C="575812.4" Error="0.00627"/>
<QuasiParabolic ID="9" StartDistance="6605.0" EndDistance="6621.0" A="1.31448827E13" B="-3.98899482E9" C="302628.72" Error="0.0336"/>
<QuasiParabolic ID="10" StartDistance="6621.0" EndDistance="6631.759" A="-3.7405843E13" B="1.12808202E10" C="-850506.44" Error="0.00978"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="111.195" Depth="0.154"/>
<TopsideChapman PeakHeight="261.759" PeakDensity="106149.195" PeakScaleHeight="12.405" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
