<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-02 -153 22:50:00.000"
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: 95% PACIFIC flags: Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.02 (153) 22:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="73.46457" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202615306022250001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.100" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.359" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.771" 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="4.500" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="252.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="252.500" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.775" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="301.040" 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="282.268" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="250.144" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.410" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="45.721" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.154" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="24.868" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="38.550" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.860" 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" >
2.95 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 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075 4.1
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
252.500 252.500 253.750 255.000 255.000 255.000 257.500 260.000 260.000 260.000 260.000 260.000 262.500 262.500 265.000 265.000 267.500 270.000 272.500 275.000 275.000 277.500 278.750 280.000 282.500 285.000 287.500 290.000 292.500 295.000 296.250 297.500 297.500 301.040 304.943 309.268 314.087 319.491 325.592 332.536 340.508 349.757 360.614 373.541 389.192 408.527 433.022
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 66 93 96 90 99 96 93 93 96 99 102 102 99 96 87 75 78 75 72 72 69 75 78 78 78 75 69 81 87 75 75 57 0 0 0 87 87 72 75 93 90 0 87 93 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 -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 -1.5625 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="584">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.25 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 176.5 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 209.75 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 282.268 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0 662.0 663.0 664.0 665.0 666.0 667.0 668.0 669.0 670.0 671.0 672.0
</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 0.35354906 0.35306174 0.352277 0.35134757 0.35012823 0.34869877 0.34706512 0.34523398 0.343142 0.34080055 0.3382224 0.33542153 0.33234677 0.3290187 0.32545936 0.32156938 0.31744388 0.31299958 0.30822688 0.30312735 0.29771414 0.29194102 0.28570086 0.27913103 0.27213752 0.26456448 0.256557 0.2479685 0.23874018 0.22879031 0.21807829 0.20660281 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 0.20231579 0.20694737 0.21157895 0.21621053 0.22084211 0.22547369 0.23010527 0.23473684 0.23936842 0.244 0.24863158 0.25326315 0.25789472 0.2625263 0.26715788 0.27178946 0.27642104 0.28105262 0.2856842 0.29031578 0.29494736 0.29957893 0.3042105 0.3088421 0.31347367 0.31810525 0.32273683 0.3273684 0.332 0.33663157 0.34126315 0.34589472 0.3505263 0.354 0.359966 0.3853329 0.41295797 0.44257173 0.473873 0.5065801 0.5404727 0.5754238 0.6113359 0.64819294 0.6860037 0.72482634 0.76471394 0.80576503 0.8480827 0.89178586 0.93701273 0.98391265 1.0326371 1.0833963 1.136365 1.1917614 1.2498498 1.3108661 1.3751086 1.4428712 1.514473 1.5902109 1.6703843 1.7552444 1.8449402 1.939463 2.0386283 2.1419077 2.2484977 2.3572667 2.4668257 2.5757024 2.6824841 2.7859602 2.8852108 2.979653 3.0689409 3.1529849 3.2318401 3.3056662 3.3746808 3.4391377 3.4992986 3.5554128 3.6077309 3.6564724 3.7018635 3.7440913 3.7833285 3.819733 3.8534577 3.8846178 3.913335 3.9397159 3.9638479 3.9858155 4.005685 4.02353 4.0394015 4.053349 4.0654163 4.075639 4.084046 4.0906634 4.095509 4.0985975 4.0999374 4.1 4.099655 4.098086 4.095279 4.091267 4.0860844 4.0797634 4.0723386 4.0638437 4.0543118 4.0437765 4.0322714 4.0198293 4.0064836 3.992266 3.9772093 3.9613452 3.9447055 3.927321 3.9092221 3.8904393 3.8710022 3.8509395 3.8302803 3.8090525 3.7872832 3.7649999 3.7422283 3.7189944 3.6953235 3.67124 3.6467679 3.6219304 3.5967503 3.5712497 3.5454504 3.519373 3.4930377 3.4664648 3.4396732 3.412681 3.385507 3.3581684 3.3306818 3.3030639 3.2753303 3.2474961 3.2195764 3.191585 3.1635363 3.135443 3.1073177 3.079173 3.0510209 3.0228722 2.9947383 2.9666293 2.9385555 2.9105265 2.8825512 2.854639 2.826798 2.7990365 2.771362 2.743782 2.7163038 2.6889336 2.6616783 2.6345434 2.6075354 2.5806592 2.55392 2.5273232 2.500873 2.4745743 2.4484308 2.4224463 2.3966248 2.3709698 2.3454845 2.3201716 2.2950344 2.270075 2.2452962 2.2207003 2.1962893 2.172065 2.148029 2.1241834 2.1005294 2.077068 2.0538008 2.0307288 2.0078526 1.9851731 1.962691 1.9404068 1.918321 1.896434 1.8747458 1.8532568 1.8319669 1.8108761 1.7899842 1.7692912 1.7487966 1.7285001 1.7084013 1.6884998 1.668795 1.6492862 1.6299728 1.6108541 1.5919294 1.5731978 1.5546584 1.5363103 1.5181527 1.5001844 1.4824045 1.4648119 1.4474056 1.4301844 1.4131471 1.3962926 1.3796197 1.3631271 1.3468137 1.3306781 1.3147191 1.2989353 1.2833254 1.2678882 1.2526222 1.2375262 1.2225986 1.2078382 1.1932436 1.1788133 1.164546 1.1504403 1.1364948 1.122708 1.1090784 1.0956047 1.0822855 1.0691193 1.0561048 1.0432404 1.0305247 1.0179565 1.0055342 0.9932562 0.9811214 0.9691283 0.9572754 0.94556135 0.9339848 0.9225443 0.91123843 0.9000659 0.8890253 0.8781152 0.86733425 0.85668117 0.8461546 0.83575314 0.8254755 0.8153204 0.8052864 0.7953723 0.7855768 0.7758986 0.7663363 0.7568888 0.7475548 0.738333 0.7292221 0.72022104 0.71132845 0.7025432 0.6938641 0.68528986 0.6768194 0.6684514 0.6601849 0.6520186 0.6439514 0.6359822 0.6281099 0.62033325 0.6126513 0.60506284 0.59756684 0.5901623 0.5828481 0.57562315 0.56848645 0.56143695 0.5544737 0.5475956 0.5408017 0.534091 0.52746254 0.5209153 0.51444846 0.5080609 0.5017517 0.49552006 0.48936495 0.4832855 0.4772808 0.47134995 0.46549207 0.45970634 0.45399183 0.4483477 0.44277313 0.4372673 0.43182933 0.42645845 0.42115384 0.4159147 0.41074026 0.4056297 0.40058225 0.3955972 0.39067376 0.38581118 0.3810087 0.37626567 0.37158132 0.3669549 0.36238575 0.3578732 0.3534165 0.349015 0.34466803 0.34037492 0.336135 0.33194765 0.32781222 0.32372805 0.31969455 0.31571108 0.31177703 0.3078918 0.30405477 0.30026537 0.296523 0.29282713 0.28917712 0.28557247 0.28201255 0.2784969 0.27502492 0.27159607 0.26820982 0.26486567 0.2615631 0.2583016 0.2550806 0.2518997 0.24875833 0.24565604 0.24259233 0.23956674 0.23657879 0.23362802 0.23071396 0.22783616 0.22499418 0.22218758 0.2194159 0.21667874 0.21397564 0.2113062 0.20867 0.20606662 0.20349568 0.20095675 0.19844943 0.19597334 0.1935281 0.19111332 0.18872863 0.18637364 0.184048 0.18175133 0.17948328 0.17724349 0.17503162 0.17284732 0.17069022 0.16856003 0.16645639 0.16437896 0.16232744 0.16030148 0.15830079 0.15632503 0.15437391 0.15244712 0.15054436 0.14866531 0.14680971 0.14497724 0.14316761 0.14138056 0.1396158 0.13787305 0.13615203 0.13445248 0.13277413 0.1311167 0.12947996 0.12786365 0.12626748 0.12469122 0.12313463 0.12159746 0.120079465 0.118580416 0.11710006 0.11563818 0.114194535 0.1127689 0.111361064 0.109970786 0.10859786 0.10724206 0.105903186 0.10458101 0.103275344 0.10198596 0.10071267 0.099455275 0.09821357 0.09698736 0.09577645 0.09458066 0.09339979 0.09223366 0.09108208 0.08994488 0.088821866 0.08771287 0.086617716 0.085536234 0.084468246 0.08341359 0.0823721 0.08134361 0.08032796 0.07932498 0.07833453 0.07735644 0.07639056 0.07543673 0.07449482 0.073564656 0.07264611 0.071739025 0.070843264 0.069958694 0.06908516 0.06822253 0.067370676 0.066529445 0.06569873 0.064878374 0.064068265 0.06326827 0.06247826 0.061698113 0.060927708 0.06016692 0.05941563 0.05867372 0.057941075 0.057217572 0.056503106 0.05579756 0.05510082 0.054412782 0.053733334 0.05306237 0.05239978 0.051745467 0.05109932 0.05046124

</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="4.1" PeakHeight="282.268" Num="5" zHalfNm="250.144" Error="3.282">
-79.947 12.97 -8.867 4.428 -1.102
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="13" 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="6513.25" A="-1.37420415E11" B="4.2413708E7" C="-3272.5374" Error="0.00164"/>
<QuasiParabolic ID="2" StartDistance="6513.25" EndDistance="6546.5" A="0.0" B="-231.39084" C="0.07555396" Error="0.00521"/>
<QuasiParabolic ID="3" StartDistance="6546.5" EndDistance="6578.0" A="4.3586535E10" B="-1.3392692E7" C="1028.7886" Error="0.00521"/>
<QuasiParabolic ID="4" StartDistance="6578.0" EndDistance="6579.0" A="-3.70744066E11" B="1.12581952E8" C="-8546.663" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6579.0" EndDistance="6581.0" A="9.041724E12" B="-2.74878541E9" C="208915.53" Error="0.00609"/>
<QuasiParabolic ID="6" StartDistance="6581.0" EndDistance="6586.0" A="2.58535509E12" B="-7.866615E8" C="59840.61" Error="0.00844"/>
<QuasiParabolic ID="7" StartDistance="6586.0" EndDistance="6593.0" A="4.05585081E12" B="-1.23321344E9" C="93742.22" Error="0.002"/>
<QuasiParabolic ID="8" StartDistance="6593.0" EndDistance="6600.0" A="7.095869E12" B="-2.15540915E9" C="163679.7" Error="0.00494"/>
<QuasiParabolic ID="9" StartDistance="6600.0" EndDistance="6605.0" A="1.45384989E13" B="-4.4107515E9" C="334539.0" Error="0.00173"/>
<QuasiParabolic ID="10" StartDistance="6605.0" EndDistance="6618.0" A="2.94396562E13" B="-8.922836E9" C="676104.75" Error="0.00907"/>
<QuasiParabolic ID="11" StartDistance="6618.0" EndDistance="6641.0" A="-1.79389795E13" B="5.3952773E9" C="-405650.5" Error="0.00419"/>
<QuasiParabolic ID="12" StartDistance="6641.0" EndDistance="6652.268" A="-1.41457967E13" B="4.25292467E9" C="-319642.94" Error="1.91E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="99.75" Depth="0.154"/>
<TopsideChapman PeakHeight="282.268" PeakDensity="208560.8" PeakScaleHeight="24.868" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
