<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-03 -123 07:00:00.000"
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" >
2026.05.03 (123) 07:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612305030700001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.900" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.498" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.641" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.400" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.400" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.250" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="232.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="232.500" 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="3.650" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="288.421" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.400" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.400" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="263.143" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="230.769" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.419" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="45.924" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.966" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="25.331" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="36.500" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.650" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="61">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.4 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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 232.500 235.000 235.000 235.000 235.000 235.000 235.000 237.500 237.500 237.500 237.500 240.000 240.000 240.000 240.000 242.500 242.500 245.000 245.000 245.625 246.250 246.875 247.500 247.500 250.000 250.000 250.000 250.000 252.500 255.000 255.000 255.000 257.500 257.500 260.000 262.500 262.500 265.000 265.000 267.500 267.500 270.000 272.500 274.095 275.857 277.814 280.000 282.458 285.242 288.421 292.086 296.358 301.401 307.444 314.817 324.015 335.811 351.484 373.325 405.864
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 81 78 72 72 72 72 72 72 72 75 72 72 72 72 69 69 48 45 69 0 0 0 72 72 84 87 87 87 102 99 102 102 102 102 102 99 102 99 105 102 102 102 87 87 75 75 99 96 81 81 84 81 72 66 66 0 84 84 0 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 -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 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="568">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 138.58333 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.16667 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 195.75 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 263.143 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0
</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 0.3533988 0.35268724 0.35168076 0.35038465 0.34873247 0.34680796 0.3446216 0.34204412 0.33923516 0.3360058 0.33251932 0.32860458 0.3243659 0.31978112 0.314722 0.3093164 0.3034716 0.29713094 0.29034886 0.28298154 0.27503994 0.26650268 0.25724816 0.24721296 0.23637795 0.22454801 0.21165071 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 0.2044898 0.20987755 0.2152653 0.22065306 0.22604081 0.23142858 0.23681633 0.24220408 0.24759184 0.2529796 0.25836736 0.2637551 0.26914287 0.27453062 0.27991837 0.28530613 0.29069388 0.29608163 0.3014694 0.30685714 0.3122449 0.31763265 0.3230204 0.32840815 0.3337959 0.3391837 0.34457144 0.3499592 0.354 0.3589948 0.3809012 0.40615228 0.43490738 0.46704102 0.5021375 0.5396166 0.578932 0.61964977 0.66152006 0.70442486 0.7483582 0.7934067 0.8396838 0.88736695 0.9366573 0.98780906 1.0410774 1.0967848 1.1552992 1.2170525 1.2825029 1.3522378 1.4269183 1.5072964 1.5942079 1.6885703 1.791185 1.9026494 2.0228512 2.1506279 2.2832134 2.4166052 2.5464838 2.6693692 2.783201 2.8873727 2.9820902 3.0680602 3.1461434 3.2171972 3.282012 3.3412685 3.395585 3.44546 3.491333 3.5335865 3.5725224 3.6084301 3.6415308 3.672033 3.700115 3.7259243 3.7495909 3.7712333 3.7909482 3.8088295 3.8249447 3.839368 3.8521538 3.8633487 3.872997 3.8811355 3.8877907 3.8929884 3.896745 3.899075 3.8999856 3.9 3.8995671 3.8979845 3.8952699 3.891453 3.886564 3.880633 3.8736906 3.865767 3.856892 3.8470964 3.8364098 3.824862 3.8124828 3.7993014 3.7853467 3.7706478 3.755233 3.73913 3.722367 3.7049706 3.6869678 3.668385 3.6492481 3.6295824 3.6094127 3.5887632 3.5676584 3.546121 3.524174 3.5018399 3.4791403 3.4560964 3.432729 3.409058 3.3851037 3.3608844 3.3364193 3.3117263 3.2868228 3.261726 3.236452 3.2110174 3.1854374 3.159727 3.133901 3.107973 3.081957 3.055866 3.029713 3.0035095 2.977268 2.9509995 2.924715 2.8984253 2.8721406 2.8458703 2.819624 2.7934105 2.7672386 2.7411168 2.7150528 2.6890543 2.6631284 2.6372821 2.6115224 2.5858555 2.5602872 2.5348234 2.50947 2.4842315 2.4591136 2.4341204 2.4092567 2.384527 2.3599346 2.335484 2.3111782 2.2870212 2.2630155 2.2391646 2.2154708 2.1919372 2.1685658 2.1453593 2.1223192 2.099448 2.0767472 2.0542185 2.0318635 2.0096834 1.9876796 1.965853 1.9442048 1.9227358 1.9014467 1.8803382 1.8594109 1.8386651 1.8181014 1.79772 1.7775209 1.7575043 1.7376704 1.7180189 1.6985499 1.6792629 1.6601578 1.6412344 1.6224922 1.6039307 1.5855495 1.5673479 1.5493255 1.5314814 1.5138152 1.4963259 1.4790128 1.4618753 1.4449122 1.4281229 1.4115063 1.3950615 1.3787875 1.3626834 1.3467481 1.3309805 1.3153796 1.2999443 1.2846733 1.2695657 1.2546203 1.2398359 1.2252111 1.2107451 1.1964365 1.1822841 1.1682866 1.1544428 1.1407515 1.1272115 1.1138213 1.1005799 1.0874858 1.074538 1.061735 1.0490756 1.0365585 1.0241824 1.0119461 0.99984825 0.98788756 0.9760628 0.9643726 0.9528158 0.941391 0.930097 0.9189325 0.9078963 0.896987 0.8862035 0.8755445 0.8650087 0.8545949 0.8443018 0.83412826 0.824073 0.81413484 0.8043125 0.79460484 0.78501064 0.7755287 0.76615787 0.756897 0.74774474 0.73870015 0.72976196 0.7209291 0.71220034 0.70357466 0.69505084 0.6866278 0.6783045 0.67007977 0.66195256 0.6539218 0.64598644 0.6381453 0.63039756 0.62274194 0.6151776 0.6077034 0.6003183 0.59302145 0.5858117 0.57868814 0.5716498 0.5646957 0.55782485 0.55103636 0.5443292 0.5377026 0.53115547 0.524687 0.5182962 0.5119822 0.50574416 0.49958122 0.49349242 0.48747697 0.481534 0.47566265 0.4698621 0.46413156 0.45847017 0.4528771 0.4473516 0.4418929 0.43650013 0.43117258 0.42590946 0.42071003 0.41557354 0.41049922 0.40548635 0.4005342 0.3956421 0.39080927 0.38603505 0.38131875 0.37665963 0.37205708 0.36751038 0.36301887 0.3585819 0.35419884 0.349869 0.34559184 0.34136662 0.33719277 0.33306968 0.32899675 0.32497334 0.3209989 0.31707284 0.31319454 0.30936348 0.30557904 0.3018407 0.2981479 0.29450008 0.29089668 0.28733724 0.28382114 0.2803479 0.27691704 0.27352798 0.27018026 0.26687336 0.2636068 0.2603801 0.25719276 0.2540443 0.25093427 0.2478622 0.24482764 0.24183011 0.23886919 0.23594442 0.23305537 0.23020159 0.22738267 0.22459818 0.22184771 0.21913086 0.21644719 0.2137963 0.21117783 0.20859134 0.20603648 0.20351283 0.20102005 0.19855773 0.19612552 0.19372305 0.19134995 0.18900587 0.18669046 0.18440337 0.18214425 0.17991276 0.17770857 0.17553134 0.17338075 0.17125647 0.16915818 0.16708556 0.1650383 0.1630161 0.16101864 0.15904562 0.15709676 0.15517174 0.15327029 0.1513921 0.14953692 0.14770444 0.1458944 0.1441065 0.1423405 0.14059612 0.1388731 0.13717118 0.13549009 0.13382958 0.13218941 0.13056932 0.12896909 0.12738843 0.12582713 0.12428497 0.12276169 0.12125706 0.11977086 0.11830287 0.11685285 0.115420595 0.114005886 0.11260851 0.11122824 0.10986488 0.108518235 0.107188076 0.10587422 0.104576446 0.10329458 0.10202842 0.100777775 0.09954245 0.09832226 0.097117014 0.095926546 0.09475066 0.09358918 0.09244193 0.09130874 0.09018944 0.08908385 0.08799181 0.08691315 0.08584771 0.084795326 0.083755836 0.082729094 0.08171492 0.08071318 0.07972372 0.078746386 0.07778103 0.076827504 0.07588566 0.07495537 0.07403647 0.073128834 0.07223233 0.071346804 0.070472136 0.06960819 0.06875483 0.06791193 0.06707936 0.06625699 0.065444715 0.064642385 0.06384989 0.06306711 0.062293924 0.061530218 0.060775872 0.06003077 0.059294805 0.05856786 0.057849824 0.05714059 0.05644005 0.055748098 0.055064626 0.054389536 0.05372272 0.053064078 0.05241351 0.051770914 0.0511362 0.050509263

</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="3.9" PeakHeight="263.143" Num="5" zHalfNm="230.769" Error="1.853">
-77.739 18.145 -11.781 5.649 -1.667
</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="6508.583" A="-1.85709953E11" B="5.7317888E7" C="-4422.5513" Error="0.00149"/>
<QuasiParabolic ID="2" StartDistance="6508.583" EndDistance="6537.167" A="0.0" B="1265.0605" C="-0.1543479" Error="0.0207"/>
<QuasiParabolic ID="3" StartDistance="6537.167" EndDistance="6565.0" A="4.6515274E10" B="-1.4332864E7" C="1104.0884" Error="0.0223"/>
<QuasiParabolic ID="4" StartDistance="6565.0" EndDistance="6575.0" A="5.0255081E12" B="-1.53116237E9" C="116628.04" Error="0.0322"/>
<QuasiParabolic ID="5" StartDistance="6575.0" EndDistance="6586.0" A="6.3602525E12" B="-1.93716826E9" C="147503.02" Error="0.0262"/>
<QuasiParabolic ID="6" StartDistance="6586.0" EndDistance="6602.0" A="3.43805673E13" B="-1.04462223E10" C="793498.6" Error="0.0342"/>
<QuasiParabolic ID="7" StartDistance="6602.0" EndDistance="6608.0" A="-6.3301396E13" B="1.91454044E10" C="-1447612.2" Error="0.0192"/>
<QuasiParabolic ID="8" StartDistance="6608.0" EndDistance="6633.143" A="-1.18654585E13" B="3.5776279E9" C="-269662.97" Error="0.0127"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="85.75" Depth="0.154"/>
<TopsideChapman PeakHeight="263.143" PeakDensity="188709.67" PeakScaleHeight="25.331" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
