<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-13 -133 01:05:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.13 (133) 01:05:00</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">
FF202613305130105001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.475" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.385" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.765" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.925" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="277.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="277.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.225" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="300.293" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="295.344" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="262.236" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.564" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="47.315" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.631" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="26.116" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="37.810" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.540" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="22">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
277.500 277.500 277.500 280.000 282.500 284.206 286.110 288.248 290.667 293.425 296.600 300.293 304.643 309.842 316.166 324.023 334.048 347.282 365.561 392.448 435.894 518.006
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 0 60 84 84 87 87 87 84 84 78 81 84 96 93 87 90 81 78 75 78 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="603">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.762 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 183.524 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 220.286 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 295.344 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0 662.0 663.0 664.0 665.0 666.0 667.0 668.0 669.0 670.0 671.0 672.0 673.0 674.0 675.0 676.0 677.0 678.0 679.0 680.0 681.0 682.0 683.0 684.0 685.0 686.0 687.0 688.0 689.0 690.0 691.0
</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 0.35179353 0.35086703 0.34965155 0.3483728 0.34681517 0.34513053 0.34325263 0.3411542 0.33884528 0.33637074 0.33374053 0.33083457 0.32773617 0.32439932 0.32084593 0.31703997 0.31301102 0.30873448 0.30419502 0.2993363 0.2942434 0.28876734 0.28300267 0.27688283 0.2704634 0.2635478 0.25625595 0.24845484 0.24017398 0.2313467 0.22185697 0.21173958 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 0.2 0.20199402 0.20618312 0.21037224 0.21456134 0.21875045 0.22293955 0.22712867 0.23131777 0.23550688 0.239696 0.2438851 0.2480742 0.2522633 0.2564524 0.26064155 0.26483065 0.26901975 0.27320886 0.27739796 0.28158706 0.28577617 0.2899653 0.2941544 0.2983435 0.3025326 0.30672172 0.31091082 0.31509995 0.31928906 0.32347816 0.32766727 0.33185637 0.33604547 0.34023458 0.3444237 0.34861282 0.35280192 0.354 0.36373883 0.3791412 0.39700347 0.41782725 0.44207877 0.47002533 0.50154877 0.5360536 0.5726469 0.610462 0.6488497 0.6874562 0.7261254 0.7648297 0.80363 0.8426085 0.881897 0.921613 0.9618895 1.0028633 1.044678 1.0874912 1.1314536 1.1767254 1.2235073 1.2719823 1.3223717 1.3749015 1.4298266 1.4874423 1.5480294 1.6119007 1.6793618 1.7507095 1.8261288 1.9056966 1.989267 2.0763443 2.1660438 2.2570612 2.3478267 2.4366612 2.5221543 2.6032252 2.6792474 2.749976 2.8154578 2.875891 2.9316003 2.9829254 3.0302138 3.073806 3.1140137 3.1511004 3.1853259 3.216903 3.2460341 3.27288 3.2976022 3.3203237 3.341164 3.3602257 3.3775988 3.3933647 3.4075875 3.4203281 3.4316437 3.441575 3.450162 3.457437 3.4634283 3.468159 3.4716446 3.473898 3.474928 3.475 3.474787 3.4736536 3.471565 3.4685452 3.4646192 3.4598107 3.4541452 3.4476469 3.4403403 3.43225 3.4234006 3.4138165 3.4035218 3.3925402 3.3808956 3.3686118 3.3557117 3.3422186 3.328155 3.3135433 3.2984054 3.2827635 3.2666383 3.2500513 3.2330227 3.2155728 3.1977217 3.1794884 3.160892 3.141951 3.122684 3.1031084 3.0832415 3.0631 3.0427008 3.02206 3.0011928 2.980115 2.9588408 2.937385 2.9157617 2.893984 2.8720658 2.8500192 2.8278573 2.8055913 2.7832336 2.7607954 2.738287 2.7157197 2.693103 2.6704473 2.647762 2.6250563 2.6023388 2.5796182 2.5569026 2.5342 2.511518 2.488864 2.4662447 2.4436672 2.4211378 2.3986628 2.3762481 2.3538995 2.3316221 2.3094215 2.2873025 2.26527 2.2433283 2.2214818 2.1997347 2.178091 2.1565542 2.135128 2.1138155 2.0926201 2.071545 2.0505924 2.0297654 2.0090666 1.988498 1.968062 1.9477608 1.9275962 1.90757 1.8876839 1.8679395 1.8483381 1.8288813 1.80957 1.7904054 1.7713885 1.7525202 1.7338015 1.7152328 1.696815 1.6785485 1.6604338 1.6424712 1.6246611 1.6070037 1.5894992 1.5721477 1.5549493 1.5379039 1.5210114 1.5042716 1.4876845 1.4712497 1.454967 1.438836 1.4228565 1.4070277 1.3913494 1.3758211 1.3604423 1.3452122 1.3301305 1.3151963 1.300409 1.2857679 1.2712724 1.2569216 1.2427149 1.2286512 1.21473 1.2009503 1.1873112 1.1738119 1.1604517 1.1472292 1.134144 1.1211948 1.1083809 1.0957012 1.0831548 1.0707407 1.0584579 1.0463053 1.0342821 1.0223871 1.0106195 0.99897814 0.987462 0.97607 0.96480113 0.95365447 0.94262886 0.9317233 0.92093676 0.9102681 0.8997165 0.8892807 0.87895966 0.8687525 0.858658 0.8486753 0.83880323 0.82904077 0.81938696 0.8098407 0.800401 0.79106677 0.78183705 0.77271086 0.7636871 0.75476485 0.745943 0.7372207 0.72859687 0.7200705 0.71164066 0.7033063 0.6950665 0.68692034 0.67886686 0.670905 0.6630339 0.6552526 0.6475601 0.63995564 0.6324381 0.62500674 0.6176605 0.6103986 0.60322005 0.59612405 0.58910966 0.582176 0.5753223 0.56854755 0.561851 0.5552318 0.54868907 0.542222 0.5358298 0.52951163 0.5232666 0.517094 0.51099306 0.5049629 0.49900278 0.49311194 0.4872896 0.48153502 0.4758474 0.47022602 0.46467018 0.45917907 0.45375204 0.44838834 0.44308725 0.43784806 0.43267012 0.4275527 0.42249516 0.41749674 0.41255686 0.40767482 0.40284994 0.39808163 0.3933692 0.38871202 0.38410947 0.37956092 0.37506577 0.37062338 0.3662332 0.36189458 0.35760695 0.3533697 0.3491823 0.34504417 0.3409547 0.33691335 0.33291957 0.32897285 0.32507256 0.32121825 0.31740934 0.3136453 0.30992568 0.30624986 0.30261743 0.29902783 0.29548055 0.29197517 0.28851113 0.285088 0.2817053 0.2783625 0.2750592 0.27179492 0.2685692 0.2653816 0.26223168 0.259119 0.2560431 0.25300357 0.24999999 0.24703193 0.24409896 0.24120072 0.23833674 0.23550667 0.23271008 0.2299466 0.22721581 0.22451738 0.22185087 0.21921596 0.21661223 0.21403936 0.21149695 0.20898466 0.20650214 0.20404904 0.20162499 0.19922967 0.19686274 0.19452387 0.19221273 0.18992898 0.1876723 0.18544237 0.1832389 0.18106155 0.17891002 0.17678401 0.17468321 0.17260733 0.17055608 0.16852917 0.16652629 0.16454719 0.16259156 0.16065913 0.15874965 0.15686283 0.15499839 0.15315607 0.15133564 0.1495368 0.14775932 0.14600295 0.14426741 0.1425525 0.14085792 0.13918348 0.13752891 0.135894 0.13427849 0.13268217 0.13110481 0.12954618 0.12800607 0.12648425 0.124980494 0.1234946 0.12202636 0.12057556 0.119141996 0.117725454 0.11632575 0.11494267 0.11357602 0.11222561 0.11089124 0.10957272 0.10826988 0.10698251 0.10571043 0.10445348 0.103211455 0.101984195 0.10077152 0.099573255 0.09838922 0.09721927 0.09606322 0.09492091 0.09379217 0.09267685 0.09157479 0.09048582 0.0894098 0.08834656 0.087295964 0.08625786 0.08523209 0.08421852 0.08321699 0.082227364 0.081249505 0.08028327 0.07932852 0.07838512 0.07745294 0.076531835 0.07562169 0.07472236 0.07383372 0.07295564 0.072088 0.07123069 0.070383556 0.069546506 0.0687194 0.067902125 0.06709458 0.06629662 0.06550816 0.06472907 0.06395925 0.063198574 0.062446944 0.061704252 0.060970392 0.06024526 0.05952875 0.058820754 0.058121182 0.05742993 0.056746893 0.056071978 0.05540509 0.054746136 0.05409501 0.053451635 0.052815907 0.052187737 0.05156704 0.050953723 0.050347697

</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="3.475" PeakHeight="295.344" Num="5" zHalfNm="262.236" Error="4.648">
-82.281 13.79 -9.918 5.727 -2.376
</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="6516.762" A="-1.12522437E11" B="3.4729148E7" C="-2679.5928" Error="0.00175"/>
<QuasiParabolic ID="2" StartDistance="6516.762" EndDistance="6553.524" A="0.0" B="899.7203" C="-0.09802184" Error="0.0183"/>
<QuasiParabolic ID="3" StartDistance="6553.524" EndDistance="6587.0" A="2.33316639E10" B="-7200817.0" C="555.5643" Error="0.0183"/>
<QuasiParabolic ID="4" StartDistance="6587.0" EndDistance="6590.0" A="4.55004488E11" B="-1.38268928E8" C="10504.563" Error="0.00424"/>
<QuasiParabolic ID="5" StartDistance="6590.0" EndDistance="6612.0" A="3.79506944E12" B="-1.15194573E9" C="87414.79" Error="0.0178"/>
<QuasiParabolic ID="6" StartDistance="6612.0" EndDistance="6617.0" A="7.2104579E12" B="-2.18503347E9" C="165536.98" Error="0.00418"/>
<QuasiParabolic ID="7" StartDistance="6617.0" EndDistance="6634.0" A="1.86104561E13" B="-5.6307031E9" C="425901.94" Error="0.0164"/>
<QuasiParabolic ID="8" StartDistance="6634.0" EndDistance="6644.0" A="-2.50969703E13" B="7.546091E9" C="-567223.94" Error="0.0102"/>
<QuasiParabolic ID="9" StartDistance="6644.0" EndDistance="6665.344" A="-9.0112493E12" B="2.70391142E9" C="-202821.52" Error="0.00532"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="110.286" Depth="0.154"/>
<TopsideChapman PeakHeight="295.344" PeakDensity="149821.66" PeakScaleHeight="26.116" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
