<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-03 -123 09:40:00.000"
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" >
2026.05.03 (123) 09:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612305030940001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.225" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.280" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="7.298" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="2.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="320.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="320.000" 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="2.150" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="340.893" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.855" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="260.067" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="214.009" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.803" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="58.458" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.928" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="32.457" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="71.540" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.510" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="10">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
320.000 322.500 324.847 327.661 331.097 335.387 340.893 348.220 358.449 373.730
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 0 54 51 0 51 0 0 0 0
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="621">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
90.458 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 133.86566 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 157.73134 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.597 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 260.067 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0 662.0 663.0 664.0 665.0 666.0 667.0 668.0 669.0 670.0 671.0 672.0 673.0 674.0 675.0 676.0 677.0 678.0 679.0 680.0 681.0 682.0 683.0 684.0 685.0 686.0 687.0 688.0 689.0 690.0 691.0 692.0 693.0 694.0 695.0 696.0 697.0 698.0 699.0 700.0 701.0 702.0 703.0 704.0 705.0 706.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.25596923 0.3683972 0.45179445 0.5159889 0.56856626 0.61314666 0.6517039 0.68539214 0.71498346 0.74100584 0.7638304 0.7837348 0.80092907 0.8155755 0.8277898 0.8376714 0.84528863 0.85069555 0.85392547 0.855 0.8544911 0.8529664 0.85034347 0.84673345 0.84198165 0.8362185 0.82940286 0.8214219 0.81227195 0.8019687 0.7904691 0.7776861 0.7635814 0.7480298 0.73106116 0.71241105 0.6920656 0.66983134 0.6454604 0.61869264 0.589116 0.55622506 0.5192072 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.476 0.48026657 0.49614713 0.5120277 0.52790827 0.5437888 0.5596693 0.5755499 0.5914304 0.607311 0.62319154 0.6390721 0.65495265 0.67083323 0.68671376 0.70259434 0.71847486 0.73435545 0.750236 0.76611656 0.7819971 0.79787767 0.8137582 0.8296388 0.8455193 0.855 0.8637956 0.88514227 0.906052 0.92675614 0.9474176 0.968145 0.98902994 1.0101289 1.031498 1.0531559 1.0751315 1.0974232 1.1200268 1.142915 1.1660639 1.1894284 1.212961 1.2366073 1.2603081 1.2840074 1.307645 1.331168 1.3545347 1.3776923 1.4006153 1.4232671 1.44563 1.467684 1.4894204 1.5108359 1.5319221 1.5526872 1.5731276 1.5932549 1.6130693 1.6325889 1.6518159 1.6707643 1.6894373 1.707853 1.7260182 1.743945 1.7616352 1.7791096 1.7963673 1.8134215 1.8302805 1.8469491 1.8634357 1.8797468 1.8958858 1.9118555 1.9276642 1.9433099 1.9587965 1.9741242 1.989291 2.0042925 2.019124 2.0337787 2.048248 2.0625155 2.0765631 2.0903728 2.1039124 2.1171489 2.1300378 2.1425283 2.1545537 2.166034 2.1768794 2.1869755 2.1961973 2.2044017 2.2114372 2.2171457 2.221384 2.224028 2.2249925 2.225 2.2248216 2.2242389 2.2232592 2.2218907 2.2201414 2.2180192 2.2155328 2.2126904 2.2094996 2.205969 2.2021072 2.1979218 2.193421 2.1886132 2.1835063 2.1781082 2.1724274 2.1664712 2.160248 2.1537652 2.1470306 2.1400518 2.1328368 2.1253924 2.1177266 2.109846 2.1017585 2.093471 2.0849903 2.0763233 2.067477 2.058458 2.049273 2.0399282 2.0304303 2.0207853 2.0109997 2.001079 1.9910295 1.980857 1.970567 1.9601653 1.9496573 1.9390483 1.9283435 1.9175483 1.9066675 1.895706 1.8846688 1.8735604 1.8623855 1.8511485 1.8398538 1.8285056 1.8171083 1.8056657 1.7941818 1.7826606 1.7711058 1.7595209 1.7479097 1.7362754 1.7246217 1.7129514 1.7012682 1.689575 1.6778746 1.6661702 1.6544645 1.6427603 1.6310601 1.6193668 1.6076826 1.5960101 1.5843517 1.5727094 1.5610857 1.5494826 1.5379021 1.5263463 1.514817 1.5033162 1.4918456 1.4804069 1.4690019 1.457632 1.4462988 1.435004 1.4237487 1.4125345 1.4013627 1.3902345 1.379151 1.3681135 1.3571233 1.3461812 1.3352882 1.3244454 1.3136536 1.3029139 1.292227 1.2815938 1.2710149 1.2604911 1.2500232 1.2396117 1.2292573 1.2189606 1.2087221 1.1985424 1.1884217 1.1783608 1.1683599 1.1584195 1.14854 1.1387216 1.1289647 1.1192695 1.1096364 1.1000655 1.0905571 1.0811114 1.0717285 1.0624086 1.0531516 1.043958 1.0348276 1.0257607 1.016757 1.0078168 0.99894 0.99012667 0.9813767 0.97269017 0.964067 0.95550704 0.9470103 0.93857664 0.93020594 0.9218982 0.91365314 0.9054707 0.8973508 0.88929313 0.8812976 0.87336403 0.8654922 0.85768193 0.849933 0.8422453 0.8346184 0.82705224 0.8195465 0.81210095 0.8047154 0.79738945 0.790123 0.78291565 0.77576715 0.7686773 0.76164573 0.75467217 0.7477563 0.7408979 0.7340965 0.727352 0.720664 0.7140322 0.7074562 0.7009357 0.6944705 0.68806016 0.6817044 0.6754028 0.6691552 0.66296107 0.6568202 0.6507322 0.6446967 0.6387135 0.6327821 0.6269022 0.62107354 0.61529565 0.60956824 0.60389096 0.5982635 0.59268546 0.5871565 0.58167624 0.5762444 0.5708607 0.5655246 0.56023586 0.5549941 0.549799 0.54465026 0.53954744 0.5344903 0.5294784 0.5245114 0.51958895 0.5147108 0.50987655 0.5050858 0.5003383 0.49563375 0.49097168 0.48635182 0.48177385 0.4772374 0.47274217 0.4682878 0.46387398 0.4595004 0.4551667 0.45087254 0.44661763 0.44240168 0.4382243 0.4340852 0.42998403 0.42592055 0.4218944 0.41790524 0.41395283 0.4100368 0.40615684 0.4023127 0.39850405 0.39473054 0.39099196 0.38728794 0.3836182 0.37998247 0.37638044 0.37281182 0.36927631 0.36577365 0.36230353 0.35886565 0.35545978 0.35208562 0.3487429 0.3454313 0.3421506 0.3389005 0.33568072 0.33249104 0.32933116 0.3262008 0.32309973 0.32002768 0.3169844 0.31396958 0.31098303 0.30802447 0.30509368 0.30219036 0.2993143 0.29646522 0.29364294 0.29084715 0.28807765 0.2853342 0.28261656 0.27992448 0.27725777 0.27461615 0.27199942 0.26940733 0.26683968 0.26429626 0.2617768 0.25928116 0.25680903 0.25436026 0.2519346 0.24953185 0.24715182 0.24479428 0.24245901 0.24014583 0.23785454 0.23558493 0.23333678 0.23110992 0.22890414 0.22671925 0.22455506 0.22241136 0.22028798 0.21818474 0.21610142 0.21403787 0.21199387 0.20996927 0.20796388 0.20597751 0.20401001 0.20206118 0.20013085 0.19821887 0.19632502 0.19444919 0.19259116 0.1907508 0.18892792 0.18712237 0.18533398 0.1835626 0.18180808 0.18007024 0.17834893 0.176644 0.17495528 0.17328264 0.17162593 0.16998497 0.16835964 0.16674979 0.16515526 0.16357593 0.16201164 0.16046225 0.15892762 0.15740761 0.15590207 0.1544109 0.15293394 0.15147105 0.1500221 0.14858699 0.14716554 0.14575766 0.1443632 0.14298204 0.14161405 0.1402591 0.13891709 0.13758789 0.13627136 0.1349674 0.13367587 0.13239668 0.1311297 0.12987481 0.1286319 0.12740086 0.12618156 0.12497391 0.12377779 0.1225931 0.12141971 0.120257534 0.11910646 0.117966376 0.11683719 0.11571878 0.11461106 0.113513924 0.11242727 0.111351 0.110285014 0.109229214 0.1081835 0.10714779 0.10612197 0.10510596 0.10409965 0.103102975 0.10211582 0.1011381 0.10016973 0.09921062 0.09826068 0.09731982 0.09638795 0.095465 0.09455087 0.09364548 0.09274876 0.09186061 0.090980954 0.090109706 0.0892468 0.08839214 0.08754566 0.08670728 0.08587691 0.08505449 0.08423994 0.08343317 0.082634136 0.081842735 0.08105891 0.080282584 0.079513684 0.078752145 0.07799789 0.07725085 0.076510966 0.07577816 0.075052366 0.07433352 0.07362155 0.07291639 0.072217986 0.07152626 0.070841156 0.07016262 0.06949057 0.06882495 0.0681657 0.067512766 0.06686608 0.06622558 0.065591216 0.06496292 0.06434065 0.06372433 0.063113905 0.062509336 0.061910544 0.06131749 0.06073011 0.06014836 0.059572175 0.059001505 0.058436304 0.057876512 0.057322077 0.056772955 0.05622909 0.055690434 0.05515693 0.05462854 0.054105207 0.05358689 0.05307353 0.05256509 0.052061517 0.051562767 0.05106879 0.050579548 0.05009499

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.855" PeakHeight="110.0" Num="3" Error="0.0">
-25.76 7.234 -1.016
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.855" EndFrequency="2.225" PeakHeight="260.067" Num="5" zHalfNm="214.009" Error="1.783">
-71.814 -11.136 6.81 -3.174 0.844
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.962" EndDistance="6480.001" A="-3.19099581E12" B="9.8487526E8" C="-75992.734" Error="0.00551"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6503.866" A="-1.5689557E12" B="4.84245568E8" C="-37363.895" Error="0.00584"/>
<QuasiParabolic ID="2" StartDistance="6503.866" EndDistance="6527.731" A="0.0" B="5584.165" C="-0.6306926" Error="0.00801"/>
<QuasiParabolic ID="3" StartDistance="6527.731" EndDistance="6548.0" A="3.89442568E11" B="-1.2000252E8" C="9244.296" Error="0.0081"/>
<QuasiParabolic ID="4" StartDistance="6548.0" EndDistance="6552.0" A="1.98799616E12" B="-6.0825958E8" C="46527.21" Error="0.00655"/>
<QuasiParabolic ID="5" StartDistance="6552.0" EndDistance="6576.0" A="1.31606957E12" B="-4.03153792E8" C="30875.06" Error="0.0078"/>
<QuasiParabolic ID="6" StartDistance="6576.0" EndDistance="6622.0" A="-2.44029473E11" B="7.1328896E7" C="-5201.787" Error="0.00532"/>
<QuasiParabolic ID="7" StartDistance="6622.0" EndDistance="6630.067" A="-6.4595228E12" B="1.94855437E9" C="-146943.36" Error="0.00132"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="71.597" Depth="0.379"/>
<TopsideChapman PeakHeight="260.067" PeakDensity="61422.145" PeakScaleHeight="32.457" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
