<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-13 -103 09:45:00.000"
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" >
2026.04.13 (103) 09:45:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610304130945001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.442" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.651" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.525" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.525" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.975" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="250.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="250.000" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.550" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="312.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="1.142" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.525" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.525" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="241.188" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="199.744" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.121" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="53.987" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.278" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="29.771" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="66.520" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.420" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="47">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.525 2.55 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 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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
250.000 252.500 252.500 252.500 252.500 255.000 255.000 257.500 257.500 257.500 260.000 260.000 260.000 262.500 262.500 263.438 264.375 265.313 266.250 267.188 268.125 269.063 270.000 272.500 275.000 275.000 277.500 277.500 280.000 282.500 285.000 285.000 285.000 287.500 290.000 292.500 295.000 297.500 302.500 305.000 310.000 312.500 320.000 322.500 329.610 338.279 349.082
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 57 57 57 57 57 57 54 57 60 42 48 33 33 33 0 0 0 0 0 0 0 57 57 81 81 78 78 69 0 66 66 93 93 78 78 66 66 66 66 69 66 51 51 75 72 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 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 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 3.125 3.125 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="613">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
90.144 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 126.027336 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.05467 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 158.082 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 241.188 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0 662.0 663.0 664.0 665.0 666.0 667.0 668.0 669.0 670.0 671.0 672.0 673.0 674.0 675.0 676.0 677.0 678.0 679.0 680.0 681.0 682.0 683.0 684.0 685.0 686.0 687.0 688.0 689.0 690.0 691.0 692.0 693.0 694.0 695.0 696.0 697.0 698.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.32968023 0.4981533 0.60840183 0.6923139 0.7612188 0.8198908 0.8708003 0.9154347 0.954749 0.9893957 1.0198439 1.0464462 1.0694569 1.089076 1.1054597 1.1187208 1.1289508 1.1362145 1.1405557 1.142 1.1412424 1.1389257 1.1350893 1.1296542 1.1227125 1.1141082 1.103885 1.0919905 1.078418 1.0631045 1.0459195 1.0268325 1.0057437 0.98254967 0.9570328 0.9290774 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.928 0.94062227 0.9539745 0.96732664 0.98067886 0.994031 1.0073832 1.0207354 1.0340877 1.0474398 1.060792 1.0741441 1.0874964 1.1008486 1.1142007 1.127553 1.1409051 1.142 1.1725919 1.2064704 1.2408884 1.275783 1.3111016 1.3467841 1.3827716 1.4190074 1.4554363 1.4920051 1.5286627 1.5653596 1.6020648 1.6387326 1.6753418 1.7118576 1.7482606 1.7845398 1.8206768 1.8566536 1.8924664 1.9281111 1.9635828 1.9988761 2.0339913 2.0689344 2.103697 2.1382947 2.1727169 2.2069752 2.241074 2.2750208 2.3088102 2.3424563 2.375965 2.40933 2.4425669 2.4756832 2.508674 2.5415533 2.5743144 2.6069682 2.6395214 2.6719668 2.7043219 2.7365737 2.7687347 2.800803 2.832777 2.864661 2.8964448 2.9281342 2.9597247 2.9912066 3.022576 3.0538254 3.084943 3.1159153 3.1467247 3.177356 3.2077866 3.2379892 3.2679296 3.2975736 3.3268757 3.355778 3.3842292 3.4121501 3.4394593 3.4660625 3.4918418 3.5166733 3.540407 3.562883 3.5839083 3.6032898 3.620806 3.6362364 3.649358 3.6599598 3.6678498 3.67288 3.6749468 3.675 3.6747346 3.6736875 3.6718616 3.6692743 3.665943 3.6618853 3.6571186 3.6516604 3.6455286 3.6387405 3.6313138 3.6232657 3.614614 3.6053755 3.595568 3.585208 3.5743124 3.5628984 3.5509825 3.538581 3.52571 3.5123858 3.4986243 3.484441 3.4698513 3.4548705 3.4395132 3.4237945 3.407729 3.3913305 3.374613 3.3575907 3.3402767 3.3226843 3.3048263 3.2867155 3.2683644 3.249785 3.2309892 3.211989 3.1927953 3.1734192 3.153872 3.134164 3.1143057 3.094307 3.0741775 3.0539272 3.0335653 3.0131009 2.9925427 2.9718995 2.9511795 2.9303906 2.9095411 2.8886387 2.8676906 2.8467038 2.8256857 2.8046432 2.7835824 2.7625098 2.741432 2.7203546 2.6992831 2.6782238 2.6571815 2.6361618 2.6151695 2.5942094 2.5732865 2.552405 2.5315697 2.5107844 2.490053 2.46938 2.4487684 2.4282222 2.407745 2.3873396 2.3670096 2.3467581 2.3265877 2.3065012 2.2865016 2.266591 2.2467723 2.2270474 2.2074187 2.1878881 2.1684582 2.14913 2.1299062 2.1107879 2.0917768 2.0728745 2.0540826 2.0354023 2.0168347 1.9983814 1.980043 1.961821 1.943716 1.9257292 1.9078611 1.8901129 1.8724848 1.8549778 1.8375925 1.8203291 1.8031883 1.7861705 1.769276 1.7525052 1.7358582 1.7193353 1.7029368 1.6866627 1.6705129 1.6544877 1.6385871 1.6228111 1.6071594 1.591632 1.5762289 1.5609498 1.5457945 1.5307628 1.5158545 1.5010692 1.4864066 1.4718665 1.4574484 1.443152 1.4289768 1.4149225 1.4009886 1.3871746 1.37348 1.3599044 1.3464471 1.3331078 1.3198858 1.3067807 1.2937917 1.2809182 1.2681599 1.2555158 1.2429856 1.2305684 1.2182637 1.206071 1.1939893 1.1820182 1.1701568 1.1584046 1.1467608 1.1352248 1.1237957 1.1124731 1.101256 1.0901438 1.0791358 1.0682312 1.0574294 1.0467294 1.0361309 1.0256327 1.0152344 1.004935 0.9947339 0.98463035 0.9746236 0.9647129 0.9548975 0.9451767 0.93554974 0.92601573 0.9165741 0.9072241 0.8979649 0.8887958 0.8797161 0.870725 0.8618218 0.8530057 0.844276 0.8356321 0.8270731 0.81859833 0.8102071 0.80189866 0.7936723 0.78552735 0.777463 0.7694786 0.7615735 0.7537469 0.7459982 0.7383266 0.7307315 0.7232121 0.7157679 0.70839804 0.70110196 0.69387895 0.68672836 0.6796495 0.6726417 0.6657043 0.6588367 0.6520383 0.64530826 0.6386461 0.6320512 0.6255229 0.6190605 0.6126635 0.6063312 0.600063 0.5938583 0.5877165 0.581637 0.5756193 0.5696626 0.5637665 0.5579303 0.55215347 0.5464355 0.5407757 0.53517365 0.5296287 0.52414024 0.5187079 0.51333094 0.50800896 0.50274134 0.4975276 0.49236718 0.4872596 0.48220426 0.47720075 0.4722485 0.467347 0.46249574 0.4576943 0.45294207 0.44823867 0.44358358 0.4389763 0.43441635 0.4299033 0.42543665 0.42101595 0.41664076 0.41231057 0.408025 0.40378356 0.39958578 0.3954313 0.39131963 0.38725036 0.3832231 0.37923732 0.3752927 0.3713888 0.3675252 0.36370146 0.35991725 0.35617214 0.35246572 0.34879762 0.34516743 0.3415748 0.33801928 0.33450058 0.33101827 0.327572 0.3241614 0.3207861 0.31744576 0.31414 0.3108685 0.30763087 0.3044268 0.3012559 0.2981179 0.29501244 0.29193914 0.28889772 0.28588787 0.2829092 0.27996147 0.2770443 0.27415738 0.27130044 0.26847315 0.26567522 0.2629063 0.2601662 0.25745448 0.25477096 0.2521153 0.24948725 0.24688649 0.24431275 0.24176575 0.23924522 0.23675089 0.23428248 0.23183973 0.22942238 0.22703016 0.22466283 0.2223201 0.22000173 0.21770748 0.2154371 0.21319033 0.21096693 0.20876667 0.2065893 0.20443459 0.2023023 0.2001922 0.19810407 0.19603767 0.19399278 0.19196917 0.18996663 0.18798494 0.18602388 0.18408324 0.18216282 0.18026239 0.17838174 0.17652069 0.17467903 0.17285654 0.17105304 0.16926832 0.1675022 0.16575447 0.16402496 0.16231346 0.16061981 0.15894379 0.15728524 0.15564397 0.15401982 0.15241258 0.15082209 0.14924818 0.14769068 0.14614941 0.14462422 0.14311491 0.14162134 0.14014335 0.13868076 0.1372334 0.13580115 0.13438384 0.1329813 0.13159338 0.13021994 0.12886082 0.12751585 0.12618493 0.12486789 0.12356457 0.12227485 0.120998584 0.11973563 0.11848584 0.11724909 0.11602524 0.114814155 0.1136157 0.112429745 0.11125617 0.11009483 0.1089456 0.10780837 0.10668299 0.10556936 0.10446735 0.10337683 0.102297686 0.10122981 0.10017306 0.09912735 0.09809255 0.09706854 0.09605522 0.095052466 0.09406018 0.09307825 0.09210656 0.09114501 0.090193495 0.08925191 0.08832015 0.08739811 0.0864857 0.08558281 0.084689334 0.08380519 0.08293027 0.08206448 0.08120772 0.08035991 0.07952095 0.07869074 0.0778692 0.07705623 0.076251745 0.07545565 0.07466787 0.07388832 0.0731169 0.07235353 0.07159813 0.07085061 0.070110895 0.0693789 0.068654545 0.067937754 0.067228444 0.06652653 0.06583195 0.06514462 0.064464465 0.06379141 0.06312538 0.062466305 0.061814107 0.061168715 0.060530063 0.059898075 0.059272688 0.058653828 0.058041427 0.05743542 0.056835737 0.056242317 0.05565509 0.05507399 0.054498963 0.053929936 0.053366847 0.05280964 0.05225825 0.051712614 0.051172674 0.050638374 0.050109647

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="1.142" PeakHeight="110.0" Num="3" Error="0.0">
-27.079 8.635 -1.412
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="1.142" EndFrequency="3.675" PeakHeight="241.188" Num="5" zHalfNm="199.744" Error="0.889">
-75.169 -13.035 6.722 -1.816 0.192
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.915" EndDistance="6480.001" A="-5.6648453E12" B="1.74840909E9" C="-134906.8" Error="0.00354"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6496.027" A="-3.06175489E12" B="9.4498611E8" C="-72914.29" Error="0.001"/>
<QuasiParabolic ID="2" StartDistance="6496.027" EndDistance="6512.055" A="0.0" B="-22510.203" C="4.325547" Error="0.0089"/>
<QuasiParabolic ID="3" StartDistance="6512.055" EndDistance="6527.0" A="7.0575233E11" B="-2.17642032E8" C="16779.865" Error="0.0089"/>
<QuasiParabolic ID="4" StartDistance="6527.0" EndDistance="6529.0" A="1.97895924E13" B="-6.0653025E9" C="464739.16" Error="0.00815"/>
<QuasiParabolic ID="5" StartDistance="6529.0" EndDistance="6537.0" A="3.84179765E12" B="-1.18008435E9" C="90622.27" Error="0.00208"/>
<QuasiParabolic ID="6" StartDistance="6537.0" EndDistance="6580.0" A="1.77735808E12" B="-5.4846752E8" C="42311.363" Error="0.0062"/>
<QuasiParabolic ID="7" StartDistance="6580.0" EndDistance="6602.0" A="-3.07285328E11" B="8.5162672E7" C="-5836.8286" Error="0.00612"/>
<QuasiParabolic ID="8" StartDistance="6602.0" EndDistance="6611.188" A="-1.88257141E13" B="5.6951076E9" C="-430703.9" Error="0.00179"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="48.082" Depth="0.214"/>
<TopsideChapman PeakHeight="241.188" PeakDensity="167563.58" PeakScaleHeight="29.771" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
