<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-13 -133 01:35:00.000"
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 F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.13 (133) 01:35:00</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">
FF202613305130135001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.275" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.486" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.417" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.600" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.100" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="295.552" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.425" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.425" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="270.173" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="242.052" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.363" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="40.061" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.225" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.109" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="31.460" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.690" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="35">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.425 2.45 2.475 2.5 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
252.500 252.500 255.000 255.000 255.000 257.500 260.000 260.000 260.000 262.500 262.500 265.000 266.250 267.500 270.000 272.500 274.000 275.500 277.000 278.500 280.000 281.304 282.800 284.536 286.573 288.997 291.930 295.552 300.137 306.129 314.291 326.064 344.526 377.637 454.302
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
48 51 45 48 45 0 42 48 51 45 45 42 0 45 42 42 0 0 0 0 72 78 81 75 96 99 99 96 96 84 87 90 105 102 78
</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 -10.9375 -10.9375 -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="513">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.25 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 176.5 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 209.75 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 270.173 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0
</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 0.35938752 0.38297766 0.4099017 0.44001243 0.47287264 0.50788003 0.54448724 0.5822664 0.6209814 0.66055214 0.70097905 0.74234694 0.78477937 0.8284483 0.873554 0.92031986 0.9690044 1.0199195 1.073401 1.1298385 1.1897063 1.2535036 1.3218727 1.3954846 1.4750692 1.5613772 1.6549602 1.756015 1.8638384 1.9765401 2.0910192 2.2034626 2.3104432 2.4097304 2.5004349 2.5825646 2.6566515 2.7234719 2.7837868 2.838338 2.8877702 2.9326406 2.973419 3.0105093 3.0442567 3.074955 3.102842 3.1281343 3.1510012 3.1716058 3.1900709 3.2065134 3.2210248 3.2336884 3.244571 3.253729 3.2612097 3.2670503 3.2712793 3.2739172 3.2749765 3.275 3.274556 3.2728539 3.2699115 3.2657666 3.2604578 3.2540228 3.2465 3.237928 3.228344 3.2177866 3.206293 3.1939008 3.1806464 3.1665664 3.1516967 3.1360726 3.119729 3.1027 3.0850189 3.0667188 3.047832 3.0283897 3.0084229 2.9879613 2.967034 2.9456701 2.923897 2.9017415 2.87923 2.8563879 2.8332396 2.8098092 2.7861197 2.7621937 2.7380524 2.713717 2.6892076 2.6645436 2.6397438 2.614826 2.5898077 2.5647058 2.539536 2.5143137 2.4890537 2.4637704 2.438477 2.4131868 2.387912 2.3626645 2.3374553 2.3122957 2.2871954 2.2621648 2.237213 2.2123485 2.18758 2.1629155 2.1383624 2.113928 2.089619 2.0654414 2.0414016 2.017505 1.9937571 1.9701627 1.9467266 1.9234531 1.9003462 1.8774096 1.8546469 1.8320614 1.8096559 1.7874334 1.7653962 1.7435467 1.7218869 1.7004188 1.679144 1.658064 1.6371801 1.6164936 1.5960053 1.5757161 1.5556267 1.5357378 1.5160494 1.4965621 1.4772761 1.4581913 1.4393076 1.420625 1.402143 1.3838614 1.3657798 1.3478973 1.3302138 1.3127282 1.2954398 1.278348 1.2614515 1.2447497 1.2282414 1.2119256 1.1958011 1.1798669 1.1641216 1.1485641 1.1331929 1.1180068 1.1030046 1.0881847 1.0735457 1.0590862 1.0448047 1.0306998 1.01677 1.0030136 0.98942924 0.97601527 0.96277016 0.94969237 0.9367802 0.9240322 0.91144663 0.899022 0.88675654 0.87464875 0.862697 0.8508997 0.83925515 0.82776177 0.81641793 0.805222 0.7941724 0.7832675 0.7725057 0.7618854 0.751405 0.74106294 0.7308576 0.72078747 0.7108509 0.70104635 0.69137233 0.68182725 0.6724096 0.6631178 0.65395045 0.644906 0.63598293 0.62717986 0.6184952 0.6099276 0.60147554 0.5931376 0.5849124 0.5767986 0.56879467 0.5608993 0.55311114 0.54542875 0.5378509 0.5303762 0.5230033 0.515731 0.5085579 0.5014828 0.4945044 0.48762146 0.48083276 0.47413704 0.4675331 0.46101978 0.45459583 0.44826013 0.4420115 0.43584883 0.42977092 0.42377672 0.41786504 0.41203487 0.40628508 0.40061462 0.39502245 0.38950747 0.3840687 0.37870508 0.37341565 0.3681994 0.36305532 0.35798246 0.35297987 0.34804657 0.34318167 0.3383842 0.3336533 0.32898802 0.32438746 0.3198508 0.31537715 0.31096566 0.30661544 0.3023257 0.29809558 0.2939243 0.28981104 0.28575504 0.28175548 0.2778116 0.2739226 0.27008778 0.26630637 0.26257768 0.2589009 0.25527543 0.25170046 0.24817535 0.2446994 0.24127196 0.23789231 0.23455983 0.23127386 0.22803375 0.22483887 0.2216886 0.21858232 0.21551943 0.21249932 0.2095214 0.2065851 0.20368981 0.20083499 0.19802009 0.19524452 0.19250776 0.18980926 0.1871485 0.18452494 0.18193808 0.1793874 0.1768724 0.1743926 0.17194748 0.16953659 0.16715942 0.16481553 0.16250443 0.1602257 0.15797886 0.15576346 0.1535791 0.1514253 0.14930168 0.14720778 0.14514321 0.14310756 0.1411004 0.13912138 0.13717008 0.1352461 0.13334906 0.13147862 0.12963438 0.12781598 0.12602305 0.12425525 0.12251222 0.12079362 0.119099095 0.117428325 0.11578097 0.11415671 0.11255521 0.11097616 0.10941924 0.10788415 0.10637058 0.104878224 0.103406794 0.101955995 0.10052553 0.099115126 0.09772449 0.09635336 0.09500145 0.093668506 0.092354245 0.09105842 0.08978076 0.08852102 0.08727895 0.08605429 0.08484681 0.08365627 0.08248242 0.08132504 0.080183886 0.07905874 0.077949375 0.07685557 0.07577711 0.07471378 0.07366536 0.07263165 0.07161244 0.07060752 0.069616705 0.068639785 0.067676574 0.06672687 0.0657905 0.06486726 0.06395697 0.06305945 0.06217452 0.061302006 0.060441736 0.059593536 0.058757234 0.057932667 0.057119668 0.05631808 0.05552773 0.054748476 0.053980153 0.05322261 0.0524757 0.051739264 0.051013164 0.050297253

</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="3.275" PeakHeight="270.173" Num="5" zHalfNm="242.052" Error="2.167">
-67.594 13.191 -9.391 4.724 -1.353
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="3004.9683" C="-0.42133456" Error="0.0579"/>
<QuasiParabolic ID="3" StartDistance="6546.5" EndDistance="6575.0" A="-2.17151078E9" B="552393.44" C="-33.67313" Error="0.0579"/>
<QuasiParabolic ID="4" StartDistance="6575.0" EndDistance="6579.0" A="6.5386467E11" B="-1.99002336E8" C="15141.592" Error="0.0104"/>
<QuasiParabolic ID="5" StartDistance="6579.0" EndDistance="6595.0" A="4.6856316E12" B="-1.4246496E9" C="108290.04" Error="0.0407"/>
<QuasiParabolic ID="6" StartDistance="6595.0" EndDistance="6601.0" A="1.08845418E13" B="-3.30453146E9" C="250813.31" Error="0.00123"/>
<QuasiParabolic ID="7" StartDistance="6601.0" EndDistance="6608.0" A="3.932324E13" B="-1.19210127E10" C="903478.1" Error="0.0462"/>
<QuasiParabolic ID="8" StartDistance="6608.0" EndDistance="6640.173" A="-1.31651516E13" B="3.96530381E9" C="-298573.66" Error="0.05"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="99.75" Depth="0.154"/>
<TopsideChapman PeakHeight="270.173" PeakDensity="133072.27" PeakScaleHeight="22.109" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
