<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-16 -136 23:20:00.000"
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: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.16 (136) 23:20:00</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">
FF202613605162320001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.325" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.227" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.731" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.175" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.175" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.700" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="342.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="342.500" 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="3.175" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="342.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.175" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.175" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="301.188" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="266.932" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.213" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="49.115" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.514" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="25.792" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="49.170" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.080" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="7">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.175 3.2 3.225 3.25 3.275 3.3 3.325
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
342.500 350.000 355.000 367.500 380.000 390.000 410.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
99 99 90 84 84 84 81
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="600">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.73466 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 179.46933 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 214.204 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 301.188 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0 662.0 663.0 664.0 665.0 666.0 667.0 668.0 669.0 670.0 671.0 672.0 673.0 674.0 675.0 676.0 677.0 678.0 679.0 680.0 681.0 682.0 683.0 684.0 685.0 686.0 687.0 688.0
</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 0.3524263 0.35157037 0.35042325 0.34913787 0.34764504 0.34595087 0.34406236 0.3419169 0.3395955 0.33703944 0.33419558 0.3312142 0.32791463 0.3244482 0.32065034 0.3166149 0.31231588 0.30773658 0.30281794 0.29762182 0.2920448 0.28615716 0.2798889 0.27321848 0.26610398 0.25851882 0.2504325 0.24181364 0.2325444 0.22259675 0.21187212 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 0.20235276 0.20678638 0.21122 0.2156536 0.22008722 0.22452082 0.22895443 0.23338805 0.23782165 0.24225527 0.24668887 0.2511225 0.2555561 0.2599897 0.2644233 0.26885694 0.27329054 0.27772415 0.28215778 0.28659138 0.29102498 0.2954586 0.29989222 0.30432582 0.30875942 0.31319305 0.31762666 0.32206026 0.3264939 0.3309275 0.3353611 0.33979473 0.34422833 0.34866193 0.35309553 0.354 0.3687335 0.38791612 0.4078706 0.42860478 0.4501335 0.4724618 0.4956069 0.51957875 0.5443856 0.57003385 0.5965332 0.62389135 0.6521086 0.6811986 0.71115696 0.74198735 0.77369565 0.8062799 0.8397307 0.87405026 0.9092329 0.9452744 0.98215806 1.0198821 1.0584277 1.0977856 1.1379299 1.1788607 1.2205318 1.2629433 1.3060576 1.3498491 1.3942958 1.4393551 1.4849957 1.5311812 1.5778769 1.6250367 1.6726224 1.7205907 1.7688802 1.8174555 1.8662571 1.9152372 1.9643366 2.0135012 2.0626705 2.1117876 2.1607893 2.2096148 2.2581968 2.3064697 2.3543687 2.4018369 2.4487936 2.4951804 2.5409346 2.5859787 2.6302562 2.673699 2.7162337 2.7578022 2.798341 2.8377826 2.8760622 2.9131355 2.9489262 2.9833853 3.0164542 3.0480828 3.0782144 3.1068032 3.1338048 3.1591687 3.1828606 3.2048357 3.2250562 3.2434907 3.2601094 3.2748826 3.2877882 3.2988014 3.3079047 3.3150845 3.3203254 3.3236213 3.3249655 3.325 3.3246803 3.323421 3.3212287 3.3181276 3.314142 3.3092966 3.3036153 3.2971232 3.2898443 3.281803 3.2730236 3.2635303 3.253347 3.2424972 3.231005 3.218893 3.2061849 3.192903 3.17907 3.1647077 3.149838 3.1344824 3.1186616 3.102397 3.085708 3.068615 3.0511372 3.0332942 3.015104 2.9965851 2.9777555 2.9586325 2.939233 2.9195735 2.8996704 2.8795393 2.8591952 2.8386533 2.817928 2.7970335 2.7759833 2.7547905 2.7334683 2.7120287 2.6904843 2.6688461 2.6471262 2.625335 2.603483 2.5815809 2.559638 2.5376642 2.5156686 2.49366 2.471647 2.4496377 2.4276402 2.4056616 2.38371 2.3617916 2.3399134 2.318082 2.2963037 2.2745843 2.2529292 2.231344 2.209834 2.188404 2.167059 2.145803 2.1246407 2.1035762 2.082613 2.0617552 2.041006 2.0203688 1.9998468 1.9794428 1.9591597 1.9390002 1.9189667 1.8990614 1.8792866 1.8596444 1.8401365 1.8207648 1.801531 1.7824364 1.7634826 1.7446707 1.7260021 1.7074777 1.6890985 1.6708653 1.6527791 1.6348403 1.6170497 1.5994077 1.5819148 1.5645713 1.5473773 1.5303335 1.5134395 1.4966958 1.4801022 1.4636586 1.4473649 1.4312211 1.4152269 1.399382 1.3836862 1.3681389 1.3527399 1.3374888 1.3223848 1.3074278 1.292617 1.2779518 1.2634317 1.2490559 1.2348238 1.2207347 1.2067878 1.1929824 1.1793177 1.165793 1.1524072 1.1391597 1.1260495 1.1130757 1.1002376 1.0875342 1.0749644 1.0625274 1.0502224 1.0380481 1.0260038 1.0140885 1.0023011 0.9906406 0.97910607 0.9676964 0.95641077 0.945248 0.9342071 0.92328703 0.9124868 0.90180534 0.89124167 0.8807947 0.87046343 0.8602468 0.85014373 0.8401533 0.83027434 0.8205059 0.810847 0.8012965 0.79185337 0.78251666 0.7732853 0.76415837 0.7551347 0.7462133 0.7373933 0.7286736 0.72005314 0.71153104 0.7031063 0.69477785 0.6865447 0.67840606 0.67036074 0.66240793 0.6545466 0.64677584 0.6390947 0.6315022 0.62399745 0.6165795 0.60924745 0.60200036 0.59483737 0.5877575 0.58075994 0.57384384 0.5670082 0.5602522 0.553575 0.5469757 0.5404535 0.53400755 0.52763695 0.52134097 0.51511866 0.50896937 0.50289214 0.49688625 0.4909509 0.4850853 0.4792887 0.47356024 0.46789926 0.46230492 0.45677653 0.45131332 0.44591454 0.4405795 0.43530744 0.4300977 0.4249495 0.41986218 0.41483507 0.40986744 0.40495864 0.40010798 0.39531478 0.39057845 0.38589826 0.3812736 0.3767038 0.37218827 0.3677264 0.3633175 0.358961 0.35465628 0.35040277 0.34619984 0.34204695 0.33794346 0.33388883 0.3298825 0.3259239 0.32201242 0.3181476 0.31432885 0.31055564 0.30682743 0.30314368 0.2995039 0.29590756 0.29235417 0.28884318 0.28537413 0.28194654 0.2785599 0.2752137 0.2719075 0.26864085 0.26541322 0.26222423 0.25907335 0.25596017 0.25288424 0.24984513 0.24684238 0.24387558 0.2409443 0.2380481 0.23518659 0.23235935 0.22956598 0.22680607 0.22407924 0.22138508 0.21872321 0.21609323 0.21349478 0.21092749 0.20839098 0.20588487 0.20340884 0.20096248 0.19854549 0.19615747 0.19379811 0.19146706 0.18916398 0.18688853 0.1846404 0.18241924 0.18022475 0.1780566 0.17591448 0.17379807 0.17170708 0.1696412 0.16760013 0.16558355 0.16359122 0.1616228 0.15967803 0.15775663 0.1558583 0.15398277 0.1521298 0.15029907 0.14849035 0.14670336 0.14493784 0.14319356 0.14147022 0.1397676 0.13808545 0.13642351 0.13478155 0.13315934 0.13155663 0.12997317 0.12840877 0.12686317 0.12533616 0.1238275 0.12233698 0.12086439 0.11940952 0.11797213 0.11655203 0.11514901 0.11376286 0.112393394 0.11104039 0.10970367 0.108383015 0.107078254 0.10578919 0.104515634 0.103257395 0.102014296 0.10078615 0.09957278 0.098374 0.09718966 0.09601956 0.094863534 0.09372143 0.09259306 0.091478266 0.09037689 0.08928877 0.08821374 0.08715165 0.08610234 0.08506565 0.08404144 0.08302956 0.08202986 0.081042185 0.0800664 0.07910235 0.078149915 0.07720894 0.07627929 0.07536083 0.07445342 0.07355694 0.07267124 0.07179621 0.07093171 0.07007762 0.069233805 0.06840015 0.06757653 0.06676282 0.06595891 0.06516468 0.064380005 0.06360478 0.06283888 0.06208221 0.061334644 0.06059608 0.059866402 0.059145514 0.0584333 0.057729665 0.0570345 0.0563477 0.055669174 0.054998815 0.054336525 0.05368221 0.053035773 0.05239712 0.051766157 0.05114279 0.050526924

</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="3.325" PeakHeight="301.188" Num="5" zHalfNm="266.932" Error="0.276">
-87.055 0.119 -0.077 0.043 -0.014
</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="6514.735" A="-1.25969908E11" B="3.88796E7" C="-2999.8438" Error="0.00169"/>
<QuasiParabolic ID="2" StartDistance="6514.735" EndDistance="6549.469" A="0.0" B="-1565.8955" C="0.28039604" Error="0.0327"/>
<QuasiParabolic ID="3" StartDistance="6549.469" EndDistance="6576.0" A="6.3901213E10" B="-1.9570658E7" C="1498.4768" Error="0.0327"/>
<QuasiParabolic ID="4" StartDistance="6576.0" EndDistance="6581.0" A="-1.99201931E11" B="6.0448548E7" C="-4585.7085" Error="0.00687"/>
<QuasiParabolic ID="5" StartDistance="6581.0" EndDistance="6598.0" A="1.99095209E12" B="-6.0515059E8" C="45984.05" Error="0.0399"/>
<QuasiParabolic ID="6" StartDistance="6598.0" EndDistance="6646.0" A="4.421855E12" B="-1.34201114E9" C="101823.734" Error="0.0365"/>
<QuasiParabolic ID="7" StartDistance="6646.0" EndDistance="6663.0" A="-8.6881925E12" B="2.60323328E9" C="-194989.72" Error="0.0063"/>
<QuasiParabolic ID="8" StartDistance="6663.0" EndDistance="6671.188" A="-1.26453966E13" B="3.79104794E9" C="-284124.84" Error="1.68E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="104.204" Depth="0.154"/>
<TopsideChapman PeakHeight="301.188" PeakDensity="137166.56" PeakScaleHeight="25.792" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
