<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-27 -147 07:05:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 50% PACIFIC flags: F2o cusp not found, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.27 (147) 07:05:00</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">
FF202614705270705001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.200" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.319" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.620" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.550" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="301.980" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="301.980" 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="2.925" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="301.980" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="298.404" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="265.914" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.402" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="46.559" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.338" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="24.588" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="46.720" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.100" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="12">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.925 2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
301.980 310.000 317.500 325.000 335.000 342.500 355.000 367.500 380.000 395.000 412.500 433.090
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 0 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 10.9375 10.9375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="576">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.486 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 180.972 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 216.458 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 298.404 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0 662.0 663.0 664.0
</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 0.35250106 0.35164472 0.35057107 0.349358 0.34793586 0.3463106 0.34448886 0.3424076 0.34021726 0.33771825 0.3350621 0.33219332 0.32906276 0.32569125 0.32210097 0.31825548 0.3141847 0.309808 0.3051701 0.30021456 0.29497874 0.2893672 0.28338903 0.27707785 0.27041635 0.2632303 0.25566614 0.24753909 0.23885763 0.22959858 0.21968421 0.20903474 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 0.2001215 0.20446125 0.20880099 0.21314073 0.21748047 0.2218202 0.22615995 0.23049968 0.23483942 0.23917916 0.2435189 0.24785864 0.2521984 0.25653812 0.26087788 0.2652176 0.26955736 0.27389708 0.27823684 0.28257656 0.28691632 0.29125604 0.2955958 0.29993552 0.30427527 0.308615 0.31295475 0.31729448 0.32163423 0.32597396 0.3303137 0.33465344 0.3389932 0.34333292 0.34767267 0.3520124 0.354 0.36481863 0.38548407 0.40703765 0.429449 0.4526898 0.47674176 0.5015804 0.5271962 0.5535731 0.5807093 0.60859644 0.63724434 0.66664124 0.69680256 0.7277316 0.759429 0.7919117 0.82518387 0.85925555 0.89413315 0.92983687 0.966356 1.0037063 1.0418942 1.0809246 1.1207931 1.1614977 1.2030463 1.2454164 1.2886173 1.3326132 1.377406 1.4229528 1.4692458 1.516241 1.5638999 1.6121882 1.6610442 1.7104281 1.760273 1.810504 1.8610601 1.9118608 1.9628274 2.0138729 2.0649025 2.1158326 2.166562 2.2169914 2.2670298 2.316571 2.3655305 2.4137886 2.4612713 2.5078702 2.5535045 2.5980735 2.641517 2.6837337 2.7246659 2.764231 2.8023648 2.8390121 2.8741107 2.9076066 2.9394622 2.9696202 2.9980521 3.024713 3.0495768 3.0726123 3.0937917 3.1130931 3.1304994 3.145991 3.159556 3.1711752 3.1808426 3.188548 3.1942859 3.1980505 3.1998386 3.2 3.1998174 3.1987011 3.1965938 3.1935215 3.1895118 3.1845915 3.1787877 3.172128 3.164639 3.156348 3.147282 3.1374676 3.1269314 3.1156995 3.1037984 3.0912533 3.07809 3.0643332 3.0500078 3.0351384 3.0197482 3.0038612 2.9875004 2.970688 2.9534466 2.9357977 2.917762 2.8993611 2.8806145 2.8615422 2.8421633 2.8224967 2.8025606 2.7823727 2.7619505 2.7413104 2.720469 2.699442 2.6782446 2.6568918 2.6353981 2.6137774 2.5920432 2.5702085 2.5482857 2.5262873 2.504225 2.48211 2.459953 2.4377651 2.415556 2.3933353 2.371113 2.3488975 2.3266976 2.3045218 2.282378 2.2602735 2.2382157 2.2162118 2.1942685 2.172392 2.1505883 2.1288636 2.1072228 2.0856717 2.0642152 2.042858 2.0216045 2.0004592 1.9794259 1.9585086 1.9377109 1.9170363 1.8964878 1.8760686 1.8557816 1.8356291 1.815614 1.7957385 1.7760046 1.7564144 1.7369697 1.7176725 1.698524 1.6795257 1.6606791 1.6419853 1.6234453 1.6050601 1.5868305 1.5687573 1.5508411 1.5330824 1.5154818 1.4980395 1.4807558 1.463631 1.446665 1.4298582 1.4132102 1.396721 1.3803906 1.3642186 1.3482049 1.3323488 1.3166503 1.3011087 1.2857236 1.2704945 1.2554207 1.2405018 1.2257367 1.2111253 1.1966664 1.1823592 1.1682032 1.1541975 1.1403412 1.1266333 1.1130729 1.0996592 1.0863913 1.073268 1.0602885 1.0474516 1.0347565 1.022202 1.0097871 0.99751073 0.98537177 0.9733692 0.96150184 0.9497686 0.9381684 0.9267001 0.9153626 0.9041547 0.8930753 0.8821233 0.8712975 0.86059666 0.8500198 0.83956575 0.8292332 0.8190212 0.8089285 0.79895395 0.78909636 0.7793547 0.7697277 0.76021427 0.7508133 0.7415236 0.73234415 0.72327363 0.7143111 0.70545536 0.69670534 0.68805987 0.6795179 0.6710783 0.66274005 0.654502 0.646363 0.6383222 0.6303783 0.62253034 0.6147773 0.6071182 0.59955186 0.5920773 0.5846935 0.5773995 0.57019424 0.5630768 0.55604607 0.5491011 0.54224104 0.5354648 0.52877146 0.52216005 0.5156297 0.5091794 0.50280833 0.49651545 0.4902999 0.48416084 0.47809732 0.47210845 0.4661934 0.4603513 0.4545813 0.4488825 0.4432541 0.43769526 0.4322052 0.42678306 0.42142802 0.41613933 0.41091618 0.40575778 0.40066338 0.39563218 0.39066347 0.38575646 0.38091043 0.37612462 0.37139833 0.36673087 0.36212146 0.35756946 0.35307416 0.34863487 0.3442509 0.33992156 0.33564624 0.33142427 0.32725495 0.32313773 0.3190719 0.31505683 0.31109193 0.3071766 0.3033102 0.29949215 0.29572186 0.2919987 0.28832218 0.28469166 0.28110656 0.27756637 0.27407053 0.2706185 0.26720968 0.2638436 0.2605197 0.2572375 0.25399643 0.25079602 0.24763574 0.2445151 0.24143365 0.23839085 0.23538625 0.23241937 0.22948973 0.22659689 0.22374038 0.22091976 0.21813457 0.21538436 0.21266872 0.20998721 0.2073394 0.20472488 0.20214324 0.19959405 0.19707692 0.19459143 0.19213721 0.18971387 0.187321 0.18495826 0.18262523 0.18032157 0.1780469 0.17580086 0.17358309 0.17139323 0.16923094 0.16709588 0.1649877 0.16290607 0.16085064 0.15882112 0.15681714 0.15483841 0.1528846 0.15095542 0.14905053 0.14716965 0.14531246 0.14347866 0.14166799 0.13988012 0.1381148 0.13637172 0.1346506 0.13295119 0.13127318 0.12961634 0.12798038 0.12636505 0.124770075 0.123195216 0.12164021 0.12010482 0.11858878 0.117091864 0.11561382 0.11415442 0.11271342 0.1112906 0.10988572 0.10849856 0.107128896 0.10577651 0.10444119 0.103122704 0.10182085 0.10053542 0.09926621 0.09801301 0.09677562 0.095553845 0.09434748 0.09315634 0.09198022 0.09081895 0.08967233 0.088540174 0.087422304 0.086318545 0.08522871 0.08415263 0.083090134 0.08204104 0.081005186 0.07998241 0.07897253 0.07797541 0.076990865 0.07601875 0.0750589 0.07411117 0.0731754 0.07225144 0.07133914 0.070438355 0.06954894 0.06867076 0.06780366 0.066947505 0.066102155 0.06526748 0.064443335 0.0636296 0.062826134 0.06203281 0.061249502 0.060476083 0.05971243 0.058958415 0.058213916 0.05747882 0.056753002 0.05603635 0.05532874 0.05463007 0.053940218 0.053259075 0.052586533 0.05192248 0.05126681 0.050619423

</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="3.2" PeakHeight="298.404" Num="5" zHalfNm="265.914" Error="1.989">
-82.277 0.545 -0.696 0.68 -0.198
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6515.486" A="-1.20721744E11" B="3.7259796E7" C="-2874.8591" Error="0.00171"/>
<QuasiParabolic ID="2" StartDistance="6515.486" EndDistance="6550.972" A="0.0" B="-587.1648" C="0.13015263" Error="0.0131"/>
<QuasiParabolic ID="3" StartDistance="6550.972" EndDistance="6582.0" A="4.4390466E10" B="-1.3619719E7" C="1044.703" Error="0.0131"/>
<QuasiParabolic ID="4" StartDistance="6582.0" EndDistance="6585.0" A="-1.76060318E11" B="5.336624E7" C="-4043.8687" Error="0.00162"/>
<QuasiParabolic ID="5" StartDistance="6585.0" EndDistance="6589.0" A="4.09843715E12" B="-1.24488666E9" C="94532.66" Error="0.00915"/>
<QuasiParabolic ID="6" StartDistance="6589.0" EndDistance="6593.0" A="9.5602088E11" B="-2.91049504E8" C="22151.637" Error="0.00858"/>
<QuasiParabolic ID="7" StartDistance="6593.0" EndDistance="6605.0" A="2.57231579E12" B="-7.813559E8" C="59335.496" Error="0.0035"/>
<QuasiParabolic ID="8" StartDistance="6605.0" EndDistance="6641.0" A="5.2242735E12" B="-1.58437107E9" C="120123.92" Error="0.0156"/>
<QuasiParabolic ID="9" StartDistance="6641.0" EndDistance="6656.0" A="-6.2573941E12" B="1.87344179E9" C="-140214.34" Error="0.00325"/>
<QuasiParabolic ID="10" StartDistance="6656.0" EndDistance="6668.404" A="-1.21389544E13" B="3.64073754E9" C="-272973.94" Error="8.57E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="106.458" Depth="0.154"/>
<TopsideChapman PeakHeight="298.404" PeakDensity="127047.15" PeakScaleHeight="24.588" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
