<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-12 -132 21:50:00.000"
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 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" >
2026.05.12 (132) 21:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202613205122150001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.325" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.919" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.029" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="225.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="225.000" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.150" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="241.100" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.401" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="231.019" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="211.050" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.618" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.605" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.920" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.159" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="21.670" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="5.490" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="17">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
225.000 225.000 225.000 225.000 227.500 230.000 232.064 234.514 237.468 241.100 245.674 251.611 259.625 271.041 288.604 319.111 385.223
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
42 51 54 57 69 69 69 69 84 84 84 84 84 84 75 72 63
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="386">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
92.655 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 136.83333 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 163.66667 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 190.5 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 231.019 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.2111762 0.24032639 0.26511294 0.2863743 0.30479878 0.3208842 0.33497927 0.347336 0.35814315 0.36754423 0.3756458 0.3825306 0.38826397 0.39289385 0.3964601 0.39898828 0.40049806 0.401 0.40075463 0.4002155 0.399189 0.39768147 0.39589578 0.3935523 0.39085883 0.38773686 0.38411596 0.3800255 0.37549847 0.37048545 0.36486644 0.3587886 0.35215947 0.34484127 0.33695564 0.3282956 0.3189929 0.308796 0.29766673 0.28560144 0.27226803 0.25765917 0.24152698 0.22356169 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 0.2024969 0.20998758 0.21747826 0.22496894 0.23245963 0.23995031 0.247441 0.2549317 0.26242235 0.26991305 0.2774037 0.2848944 0.2923851 0.29987577 0.30736646 0.31485716 0.32234782 0.3298385 0.33732918 0.34481987 0.35231057 0.35980123 0.36729193 0.37478262 0.3822733 0.38976398 0.39725465 0.401 0.41368228 0.44551152 0.48992133 0.55098265 0.62437963 0.6999349 0.7730959 0.8439648 0.9138026 0.98390967 1.0555327 1.1298991 1.2084105 1.2927046 1.3849139 1.488052 1.6065052 1.746715 1.9173892 2.122809 2.3408089 2.5293994 2.6761708 2.790104 2.8809292 2.9552348 3.0172646 3.069781 3.1146672 3.1532636 3.1865335 3.2151918 3.2397888 3.260738 3.2783704 3.2929323 3.304619 3.3135767 3.3199158 3.3237085 3.324995 3.325 3.3238184 3.3202455 3.3143792 3.3063183 3.2961624 3.284011 3.2699625 3.2541153 3.2365663 3.2174108 3.1967428 3.1746542 3.1512346 3.1265717 3.100751 3.0738547 3.0459635 3.017155 2.9875038 2.957082 2.9259593 2.8942022 2.8618748 2.8290381 2.795751 2.7620692 2.728046 2.693732 2.6591754 2.624422 2.5895154 2.5544963 2.5194037 2.4842741 2.4491422 2.4140403 2.3789988 2.3440466 2.30921 2.2745147 2.2399833 2.2056384 2.1714995 2.1375859 2.1039145 2.0705016 2.0373619 2.004509 1.9719553 1.9397119 1.9077892 1.8761965 1.8449422 1.8140336 1.7834775 1.7532797 1.7234453 1.6939787 1.6648835 1.6361631 1.6078199 1.579856 1.5522728 1.5250714 1.4982522 1.4718155 1.445761 1.420088 1.3947957 1.3698827 1.3453475 1.3211883 1.297403 1.2739892 1.2509445 1.228266 1.205951 1.1839962 1.1623986 1.1411546 1.120261 1.0997139 1.0795099 1.0596449 1.0401155 1.0209173 1.0020466 0.98349917 0.96527106 0.9473581 0.9297561 0.912461 0.8954685 0.87877434 0.8623745 0.84626454 0.8304404 0.8148979 0.79963267 0.78464067 0.7699177 0.75545967 0.7412624 0.72732174 0.7136337 0.70019424 0.6869994 0.6740451 0.6613275 0.6488427 0.6365868 0.624556 0.6127466 0.60115474 0.5897768 0.5786092 0.56764823 0.5568904 0.54633224 0.53597015 0.5258008 0.51582086 0.506027 0.49641582 0.48698422 0.47772896 0.4686469 0.459735 0.45099017 0.4424094 0.4339898 0.4257284 0.4176224 0.4096689 0.4018652 0.39420858 0.38669634 0.3793258 0.37209445 0.36499965 0.35803896 0.3512099 0.34451002 0.33793694 0.3314883 0.32516187 0.31895533 0.31286645 0.30689305 0.301033 0.29528418 0.2896445 0.28411195 0.27868453 0.27336025 0.2681372 0.26301345 0.25798717 0.25305653 0.24821971 0.24347499 0.2388206 0.23425485 0.22977608 0.22538264 0.22107293 0.21684536 0.21269839 0.20863049 0.20464016 0.20072594 0.1968864 0.1931201 0.18942569 0.18580179 0.18224706 0.17876019 0.17533988 0.17198488 0.16869397 0.1654659 0.1622995 0.15919358 0.156147 0.15315863 0.15022737 0.14735213 0.14453183 0.14176545 0.13905194 0.13639031 0.13377957 0.13121873 0.12870686 0.12624303 0.12382631 0.1214558 0.11913064 0.116849944 0.11461288 0.1124186 0.11026629 0.10815516 0.10608442 0.104053296 0.10206103 0.100106895 0.098190136 0.096310064 0.09446596 0.09265716 0.09088296 0.08914272 0.08743578 0.08576152 0.08411929 0.082508504 0.08092854 0.07937883 0.07785877 0.07636781 0.074905396 0.07347097 0.07206401 0.07068398 0.06933037 0.06800267 0.06670039 0.06542305 0.06417015 0.06294125 0.061735876 0.060553577 0.059393916 0.05825646 0.05714078 0.05604646 0.054973096 0.053920284 0.052887633 0.051874753 0.05088127

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.401" PeakHeight="110.0" Num="3" Error="0.0">
-20.243 3.117 -0.219
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.401" EndFrequency="3.325" PeakHeight="231.019" Num="5" zHalfNm="211.05" Error="3.609">
-47.405 12.527 -8.647 4.831 -1.825
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.009" EndDistance="6480.001" A="-7.0506748E11" B="2.17613424E8" C="-16790.998" Error="0.00374"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6506.833" A="-2.98447569E11" B="9.2113448E7" C="-7107.358" Error="0.00249"/>
<QuasiParabolic ID="2" StartDistance="6506.833" EndDistance="6533.667" A="0.0" B="-1759.9675" C="0.31041127" Error="0.0261"/>
<QuasiParabolic ID="3" StartDistance="6533.667" EndDistance="6558.0" A="1.35117529E11" B="-4.1468704E7" C="3181.7927" Error="0.0261"/>
<QuasiParabolic ID="4" StartDistance="6558.0" EndDistance="6560.0" A="-4.92086854E11" B="1.49810464E8" C="-11401.858" Error="1.96E-4"/>
<QuasiParabolic ID="5" StartDistance="6560.0" EndDistance="6568.0" A="1.49364188E13" B="-4.5540019E9" C="347120.44" Error="0.026"/>
<QuasiParabolic ID="6" StartDistance="6568.0" EndDistance="6569.0" A="-2.15454182E13" B="6.5549614E9" C="-498568.0" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6569.0" EndDistance="6577.0" A="2.5499548E13" B="-7.7683651E9" C="591653.2" Error="0.0366"/>
<QuasiParabolic ID="8" StartDistance="6577.0" EndDistance="6580.0" A="1.93699535E14" B="-5.8916299E10" C="4480047.0" Error="0.00931"/>
<QuasiParabolic ID="9" StartDistance="6580.0" EndDistance="6581.0" A="2.37860972E13" B="-7.2708792E9" C="555623.1" Error="0.0"/>
<QuasiParabolic ID="10" StartDistance="6581.0" EndDistance="6587.0" A="-1.10434196E14" B="3.35193641E10" C="-2543468.5" Error="0.0146"/>
<QuasiParabolic ID="11" StartDistance="6587.0" EndDistance="6601.019" A="-1.79739117E13" B="5.4457989E9" C="-412485.8" Error="0.00915"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="80.5" Depth="0.201"/>
<TopsideChapman PeakHeight="231.019" PeakDensity="137166.56" PeakScaleHeight="16.159" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
