<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-16 -136 23:30:00.000"
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" >
2026.05.16 (136) 23:30:00</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">
FF202613605162330001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.375" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.319" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.202" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="292.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="292.500" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.100" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="305.297" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="290.273" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="259.545" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.127" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="44.001" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.407" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.437" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="42.640" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.370" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="16">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
292.500 295.197 298.192 301.537 305.297 309.553 314.413 320.013 326.537 334.234 343.451 354.689 368.693 386.629 410.423 443.504
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 84 87 87 87 99 96 93 87 87 93 90 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 4.6875 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="555">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.01067 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 180.02133 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 215.032 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 290.273 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0
</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 0.35313663 0.3524263 0.35157037 0.35049725 0.34921128 0.34779054 0.3460947 0.34420434 0.34212717 0.33980232 0.33731073 0.33452833 0.33153954 0.32836023 0.3248817 0.3211926 0.31725737 0.31299192 0.3084954 0.30370104 0.29858688 0.29314727 0.28737107 0.28118512 0.27468395 0.26771882 0.260279 0.25242037 0.24394813 0.23489241 0.22524929 0.21484382 0.20368196 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 0.20430481 0.20870349 0.21310215 0.2175008 0.22189946 0.22629812 0.23069678 0.23509544 0.2394941 0.24389276 0.24829142 0.25269008 0.25708872 0.2614874 0.26588607 0.2702847 0.2746834 0.27908203 0.2834807 0.28787935 0.29227802 0.29667667 0.30107534 0.30547398 0.30987266 0.3142713 0.31866997 0.32306862 0.3274673 0.33186594 0.3362646 0.34066325 0.34506193 0.34946057 0.35385925 0.354 0.37410685 0.39640084 0.42018247 0.4453748 0.47190017 0.49965826 0.52857137 0.55857277 0.5896009 0.621626 0.6546274 0.6885822 0.7234967 0.7593836 0.7962615 0.8341442 0.87306964 0.913069 0.9541757 0.9964245 1.0398505 1.0844969 1.1303953 1.1775746 1.2260759 1.2759166 1.3270997 1.3796597 1.4335728 1.488836 1.5454042 1.6032561 1.6623133 1.7224858 1.7836708 1.8457471 1.908552 1.9719328 2.035689 2.0996342 2.1635327 2.2271783 2.2903528 2.352814 2.4143767 2.4748113 2.5339577 2.591637 2.6476972 2.7020097 2.7544537 2.80496 2.853426 2.8998086 2.9440606 2.9861445 3.026047 3.0637453 3.099242 3.1325336 3.1636262 3.192525 3.2192547 3.2438133 3.2662208 3.2864943 3.3046448 3.32069 3.3346403 3.3465087 3.3563044 3.3640375 3.3697155 3.3733428 3.374924 3.375 3.3746848 3.373238 3.370647 3.3669443 3.3621633 3.3563366 3.3494976 3.341679 3.3329144 3.323236 3.312677 3.3012695 3.2890456 3.2760372 3.262276 3.2477922 3.2326174 3.216781 3.2003126 3.1832416 3.1655965 3.1474051 3.128695 3.1094928 3.0898247 3.0697167 3.0491934 3.0282793 3.006998 2.985373 2.9634264 2.9411802 2.9186556 2.8958733 2.8728533 2.8496149 2.8261766 2.802557 2.7787735 2.754843 2.7307818 2.7066061 2.6823308 2.6579707 2.6335402 2.6090527 2.5845213 2.5599587 2.5353773 2.5107882 2.486203 2.461632 2.4370859 2.412574 2.388106 2.363691 2.3393376 2.3150535 2.2908468 2.2667248 2.2426946 2.2187629 2.1949363 2.1712203 2.1476212 2.124144 2.100794 2.0775762 2.0544949 2.0315542 2.0087588 1.9861118 1.9636171 1.9412779 1.9190973 1.8970782 1.8752232 1.8535347 1.8320152 1.8106666 1.7894908 1.7684897 1.7476648 1.7270174 1.7065489 1.6862603 1.6661528 1.6462271 1.6264839 1.6069239 1.5875475 1.5683552 1.5493472 1.5305235 1.5118845 1.4934299 1.4751598 1.4570739 1.4391719 1.4214536 1.4039185 1.3865662 1.3693959 1.3524072 1.3355994 1.3189718 1.3025235 1.2862538 1.2701617 1.2542466 1.2385072 1.2229425 1.2075516 1.1923336 1.177287 1.162411 1.1477044 1.1331657 1.1187942 1.1045883 1.0905468 1.0766686 1.0629522 1.0493965 1.036 1.0227615 1.0096796 0.99675286 0.9839801 0.97135985 0.95889074 0.9465714 0.9344004 0.9223764 0.91049796 0.8987637 0.8871722 0.8757221 0.86441195 0.8532404 0.84220594 0.8313073 0.82054305 0.8099117 0.799412 0.78904253 0.77880186 0.7686886 0.7587015 0.748839 0.7391 0.7294829 0.71998644 0.7106094 0.7013503 0.6922078 0.68318075 0.6742677 0.66546744 0.65677863 0.6482 0.6397303 0.6313683 0.6231127 0.6149622 0.6069157 0.5989719 0.5911296 0.5833877 0.5757448 0.56819993 0.5607518 0.55339926 0.5461412 0.5389765 0.5319039 0.5249225 0.51803106 0.51122844 0.5045137 0.49788564 0.49134326 0.48488548 0.4785113 0.47221965 0.46600953 0.4598799 0.4538298 0.44785824 0.4419642 0.43614677 0.43040496 0.42473784 0.41914445 0.4136239 0.40817523 0.40279758 0.39749002 0.3922517 0.3870817 0.3819792 0.37694332 0.37197322 0.36706808 0.36222705 0.35744932 0.3527341 0.34808055 0.34348795 0.33895546 0.33448234 0.33006784 0.3257112 0.32141164 0.31716847 0.31298095 0.30884838 0.30477005 0.30074525 0.29677328 0.29285347 0.28898513 0.28516766 0.28140032 0.2776825 0.27401358 0.27039286 0.2668198 0.2632937 0.25981402 0.25638014 0.25299144 0.24964733 0.24634726 0.24309064 0.23987693 0.23670553 0.2335759 0.23048751 0.22743982 0.22443229 0.22146441 0.21853565 0.2156455 0.21279347 0.20997903 0.20720172 0.20446105 0.20175652 0.19908768 0.19645406 0.19385518 0.1912906 0.18875988 0.18626256 0.1837982 0.18136638 0.17896666 0.17659864 0.17426187 0.17195597 0.16968054 0.16743514 0.16521941 0.16303296 0.16087538 0.15874632 0.15664539 0.15457222 0.15252644 0.15050769 0.14851563 0.1465499 0.14461015 0.14269604 0.14080723 0.13894339 0.1371042 0.13528931 0.13349843 0.13173123 0.12998739 0.12826662 0.1265686 0.12489303 0.12323962 0.121608086 0.11999813 0.11840946 0.11684181 0.115294896 0.11376844 0.11226218 0.11077585 0.10930918 0.10786192 0.1064338 0.105024576 0.103634 0.10226183 0.1009078 0.0995717 0.09825327 0.0969523 0.09566853 0.094401754 0.09315175 0.09191828 0.09070114 0.08950011 0.088314965 0.087145515 0.08599154 0.08485284 0.08372921 0.08262045 0.08152637 0.080446765 0.07938146 0.07833025 0.077292964 0.0762694 0.07525939 0.074262746 0.0732793 0.072308876 0.07135129 0.070406385 0.06947399 0.06855394 0.06764607 0.06675022 0.06586623 0.06499395 0.064133205 0.06328387 0.06244577 0.06161877 0.06080272 0.059997477 0.059202895 0.05841883 0.05764515 0.056881715 0.056128386 0.05538503 0.05465152 0.053927723 0.05321351 0.052508757 0.05181333 0.051127117 0.050449986

</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="3.375" PeakHeight="290.273" Num="5" zHalfNm="259.545" Error="2.449">
-77.425 3.946 -2.842 1.57 -0.49
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6515.011" A="-1.24007244E11" B="3.827384E7" C="-2953.1033" Error="0.0017"/>
<QuasiParabolic ID="2" StartDistance="6515.011" EndDistance="6550.021" A="0.0" B="439.10266" C="-0.027368212" Error="0.00825"/>
<QuasiParabolic ID="3" StartDistance="6550.021" EndDistance="6552.0" A="-1.40000808E12" B="4.27297664E8" C="-32603.926" Error="0.0337"/>
<QuasiParabolic ID="4" StartDistance="6552.0" EndDistance="6576.0" A="7.2680432E10" B="-2.2240962E7" C="1701.5256" Error="0.0376"/>
<QuasiParabolic ID="5" StartDistance="6576.0" EndDistance="6583.0" A="-9.2014395E10" B="2.7848706E7" C="-2106.9954" Error="0.00365"/>
<QuasiParabolic ID="6" StartDistance="6583.0" EndDistance="6604.0" A="3.19209472E12" B="-9.6990586E8" C="73675.67" Error="0.0369"/>
<QuasiParabolic ID="7" StartDistance="6604.0" EndDistance="6635.0" A="8.0726899E12" B="-2.44797824E9" C="185583.03" Error="0.0301"/>
<QuasiParabolic ID="8" StartDistance="6635.0" EndDistance="6660.273" A="-1.27755742E13" B="3.83635174E9" C="-287991.2" Error="0.0122"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="105.032" Depth="0.154"/>
<TopsideChapman PeakHeight="290.273" PeakDensity="141322.89" PeakScaleHeight="23.437" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
