<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-27 -147 00:25:00.000"
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" >
2026.05.27 (147) 00:25:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" 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">
FF202614705270025001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.725" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.222" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.001" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.125" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="280.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="280.000" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.475" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="330.574" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="298.533" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="266.531" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.789" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="45.829" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.777" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="24.382" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="43.940" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.450" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="31">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
280.000 282.500 282.500 282.500 287.500 287.500 290.000 290.000 292.500 297.500 297.500 300.000 302.500 305.000 307.500 312.500 315.000 320.000 323.120 326.620 330.574 335.078 340.253 346.263 353.328 361.750 371.964 384.610 400.671 421.750 450.632
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 84 81 90 93 93 93 93 96 99 96 96 96 96 96 96 93 93 93 81 81 78 78 75 75 96 96 69 72 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="585">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.243 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 182.486 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 218.729 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 298.533 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0 662.0 663.0 664.0 665.0 666.0 667.0 668.0 669.0 670.0 671.0 672.0 673.0
</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 0.35257575 0.35171902 0.35071892 0.34957823 0.348154 0.34659868 0.34484494 0.3429 0.34077185 0.33840045 0.33586627 0.3331131 0.33015576 0.32694635 0.32350618 0.31985766 0.31590727 0.31174752 0.30730054 0.30261138 0.2976261 0.29233485 0.28669918 0.28073013 0.2743837 0.2675918 0.260463 0.25281656 0.24474448 0.23604903 0.22679034 0.21687478 0.20622917 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 0.20218404 0.20643313 0.21068223 0.21493132 0.21918042 0.22342952 0.22767861 0.23192771 0.2361768 0.2404259 0.244675 0.24892409 0.2531732 0.2574223 0.2616714 0.2659205 0.2701696 0.27441868 0.27866778 0.28291687 0.28716597 0.29141507 0.29566416 0.29991326 0.30416235 0.30841145 0.31266055 0.31690964 0.32115874 0.32540783 0.32965693 0.33390602 0.33815512 0.34240422 0.3466533 0.3509024 0.354 0.3601982 0.383495 0.4074431 0.43204534 0.45731306 0.4832532 0.50989944 0.5372741 0.5654007 0.5943277 0.6240886 0.6547139 0.68626076 0.71876436 0.75227356 0.786838 0.8225081 0.859334 0.8973652 0.9366661 0.9772821 1.0192719 1.0626842 1.1075836 1.1540022 1.2020005 1.2516243 1.3029045 1.3558657 1.4105247 1.4668891 1.5249562 1.584694 1.6460593 1.7089959 1.7733958 1.839148 1.9061238 1.9741623 2.043062 2.1126251 2.1826327 2.2528484 2.3230236 2.3929129 2.4622855 2.5309162 2.59855 2.665017 2.7301176 2.7936792 2.8555603 2.9156313 2.9737875 3.0299485 3.0840266 3.1359806 3.1857545 3.2333302 3.278674 3.3217838 3.3626492 3.401264 3.437641 3.4717894 3.5037112 3.533425 3.5609443 3.5862825 3.6094515 3.6304715 3.6493495 3.6661036 3.6807432 3.6932795 3.7037246 3.7120833 3.7183628 3.7225695 3.7247062 3.725 3.724867 3.7236998 3.721355 3.7178648 3.7132614 3.7075772 3.7008448 3.6930962 3.684364 3.6746807 3.6640782 3.6525886 3.6402433 3.627074 3.6131115 3.598387 3.5829303 3.5667715 3.5499403 3.5324655 3.5143754 3.4956982 3.4764616 3.4566922 3.4364164 3.4156601 3.3944488 3.3728065 3.3507578 3.3283262 3.3055344 3.2824047 3.2589588 3.2352178 3.2112024 3.1869326 3.1624274 3.1377058 3.112786 3.0876856 3.0624218 3.0370111 3.0114694 2.9858122 2.9600544 2.9342103 2.908294 2.882319 2.8562977 2.830243 2.8041668 2.7780802 2.7519948 2.725921 2.6998687 2.6738482 2.6478684 2.6219385 2.5960667 2.570262 2.5445313 2.5188828 2.4933233 2.4678595 2.4424982 2.4172454 2.3921068 2.367088 2.3421946 2.3174312 2.2928028 2.2683136 2.243968 2.2197697 2.1957228 2.1718307 2.1480963 2.1245232 2.101114 2.0778713 2.0547976 2.0318954 2.0091667 1.9866133 1.9642371 1.9420397 1.9200227 1.8981873 1.8765347 1.8550661 1.8337822 1.8126838 1.7917719 1.7710468 1.7505089 1.7301588 1.7099967 1.6900227 1.6702368 1.6506392 1.6312296 1.612008 1.5929741 1.5741273 1.5554676 1.5369945 1.5187073 1.5006053 1.4826883 1.4649553 1.4474057 1.4300386 1.4128532 1.3958488 1.3790241 1.3623786 1.345911 1.3296205 1.3135058 1.2975659 1.2817999 1.2662064 1.2507844 1.2355325 1.2204498 1.2055349 1.1907866 1.1762035 1.1617845 1.1475283 1.1334336 1.119499 1.1057231 1.0921049 1.0786427 1.0653354 1.0521815 1.0391796 1.0263284 1.0136267 1.001073 0.98866576 0.97640383 0.9642858 0.9523102 0.9404757 0.928781 0.9172246 0.90580523 0.8945215 0.883372 0.87235546 0.86147046 0.8507157 0.84008974 0.82959133 0.8192192 0.8089718 0.79884803 0.78884643 0.77896583 0.7692048 0.75956213 0.7500365 0.74062663 0.7313313 0.7221492 0.7130791 0.70411974 0.69526994 0.68652844 0.677894 0.66936547 0.6609416 0.65262127 0.6444032 0.6362864 0.6282695 0.62035143 0.6125311 0.60480744 0.5971792 0.5896453 0.5822047 0.5748562 0.5675989 0.5604316 0.55335325 0.5463629 0.53945935 0.53264177 0.52590895 0.51926005 0.51269394 0.50620973 0.49980637 0.49348295 0.48723847 0.48107204 0.47498265 0.46896943 0.46303147 0.4571678 0.45137757 0.44565988 0.44001386 0.43443862 0.42893332 0.4234971 0.41812915 0.41282856 0.4075946 0.4024264 0.39732313 0.39228407 0.3873084 0.38239533 0.3775441 0.37275395 0.36802414 0.3633539 0.3587425 0.35418925 0.3496934 0.34525424 0.3408711 0.33654323 0.33227003 0.32805073 0.32388473 0.31977132 0.31570986 0.31169975 0.3077403 0.3038309 0.2999709 0.2961597 0.29239672 0.28868133 0.28501296 0.281391 0.27781487 0.27428398 0.27079782 0.26735577 0.26395732 0.26060194 0.25728902 0.2540181 0.2507886 0.24760002 0.24445187 0.2413436 0.23827474 0.2352448 0.23225325 0.22929965 0.2263835 0.22350435 0.22066171 0.21785514 0.21508418 0.21234837 0.20964728 0.20698047 0.2043475 0.20174795 0.19918141 0.19664745 0.19414565 0.19167563 0.18923697 0.18682927 0.18445215 0.18210523 0.17978811 0.17750043 0.1752418 0.17301187 0.17081028 0.16863665 0.16649064 0.16437191 0.1622801 0.16021487 0.15817589 0.15616283 0.15417534 0.15221313 0.15027586 0.14836322 0.14647488 0.14461055 0.14276993 0.14095272 0.1391586 0.1373873 0.13563854 0.133912 0.13220742 0.13052452 0.12886302 0.12722266 0.12560315 0.124004245 0.122425675 0.120867185 0.11932852 0.11780943 0.116309665 0.114828974 0.113367125 0.11192387 0.11049898 0.10909222 0.10770336 0.10633216 0.10497841 0.1036419 0.10232238 0.10101965 0.0997335 0.09846372 0.0972101 0.095972426 0.09475051 0.09354414 0.09235312 0.09117726 0.090016365 0.08887024 0.08773871 0.086621575 0.08551866 0.084429786 0.08335476 0.08229343 0.08124561 0.08021112 0.07918979 0.078181475 0.07718599 0.076203175 0.07523287 0.07427491 0.07332916 0.07239544 0.071473606 0.0705635 0.06966499 0.06877792 0.06790213 0.0670375 0.06618387 0.065341115 0.06450909 0.06368765 0.06287667 0.062076017 0.061285555 0.060505155 0.059734695 0.05897404 0.058223072 0.05748166 0.056749694 0.056027044 0.055313595 0.05460923 0.05391383 0.05322729 0.05254949 0.051880315 0.051219665 0.050567422

</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="3.725" PeakHeight="298.533" Num="5" zHalfNm="266.531" Error="2.754">
-82.02 4.28 -3.618 1.858 -0.304
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6516.243" A="-1.15758178E11" B="3.5727832E7" C="-2756.6519" Error="0.00175"/>
<QuasiParabolic ID="2" StartDistance="6516.243" EndDistance="6552.486" A="0.0" B="-790.12665" C="0.16128933" Error="0.0176"/>
<QuasiParabolic ID="3" StartDistance="6552.486" EndDistance="6585.0" A="4.4169622E10" B="-1.3546274E7" C="1038.6356" Error="0.0176"/>
<QuasiParabolic ID="4" StartDistance="6585.0" EndDistance="6587.0" A="-5.22894049E11" B="1.58682624E8" C="-12038.73" Error="0.00102"/>
<QuasiParabolic ID="5" StartDistance="6587.0" EndDistance="6591.0" A="4.4990936E12" B="-1.36613517E9" C="103705.76" Error="0.0226"/>
<QuasiParabolic ID="6" StartDistance="6591.0" EndDistance="6597.0" A="1.55916265E12" B="-4.7403056E8" C="36029.78" Error="0.00867"/>
<QuasiParabolic ID="7" StartDistance="6597.0" EndDistance="6607.0" A="3.10497876E12" B="-9.4267277E8" C="71549.125" Error="0.0111"/>
<QuasiParabolic ID="8" StartDistance="6607.0" EndDistance="6642.0" A="9.0207704E12" B="-2.73343744E9" C="207069.39" Error="0.0369"/>
<QuasiParabolic ID="9" StartDistance="6642.0" EndDistance="6668.533" A="-1.43196863E13" B="4.29470362E9" C="-321998.75" Error="0.012"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="108.729" Depth="0.154"/>
<TopsideChapman PeakHeight="298.533" PeakDensity="172154.16" PeakScaleHeight="24.382" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
