<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-30 -089 03:20:00.000"
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: 90% PACIFIC flags: One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.30 (089) 03:20:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608903300320001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.975" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.222" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.808" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.850" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.850" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.325" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="260.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="260.000" 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="3.725" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="333.080" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.850" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.850" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="293.156" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="259.504" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.098" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="48.050" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.130" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="26.032" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="42.980" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.230" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="46">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.925 3.95 3.975
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
260.000 262.500 263.571 264.643 265.714 266.786 267.857 268.929 270.000 271.563 273.125 274.688 276.250 277.813 279.375 280.938 282.500 285.000 285.000 287.500 290.000 292.500 294.167 295.833 297.500 302.500 307.500 309.631 311.900 314.320 316.907 319.679 322.657 325.864 329.328 333.080 337.160 341.610 346.485 351.848 357.776 364.364 371.727 380.013 389.405 400.141
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
42 51 0 0 0 0 0 0 93 0 0 0 0 0 0 0 93 93 90 105 105 93 0 0 87 0 78 0 0 0 0 0 0 0 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 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 10.9375 -7.8125 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -4.6875 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="608">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 293.156 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0 662.0 663.0 664.0 665.0 666.0 667.0 668.0 669.0 670.0 671.0 672.0 673.0 674.0 675.0 676.0 677.0 678.0 679.0 680.0 681.0 682.0 683.0 684.0 685.0 686.0 687.0 688.0 689.0 690.0 691.0 692.0 693.0 694.0 695.0 696.0 697.0 698.0 699.0
</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 0.35049725 0.34921128 0.34779054 0.3460947 0.34420434 0.34212717 0.33980232 0.33724248 0.33452845 0.33153966 0.32836035 0.32488185 0.3211927 0.3171983 0.31299222 0.3084957 0.30364835 0.2985621 0.29312387 0.2873491 0.2811647 0.27462557 0.26766586 0.26023185 0.25232056 0.24386445 0.23482597 0.2251332 0.21472648 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 0.2044 0.2088 0.2132 0.2176 0.222 0.2264 0.2308 0.2352 0.2396 0.244 0.2484 0.2528 0.2572 0.2616 0.266 0.2704 0.2748 0.2792 0.2836 0.288 0.2924 0.2968 0.3012 0.3056 0.31 0.3144 0.3188 0.3232 0.3276 0.332 0.3364 0.3408 0.3452 0.3496 0.354 0.371988 0.39224038 0.41494492 0.4401979 0.46796188 0.49806303 0.5302402 0.5641761 0.5995667 0.63616747 0.6738042 0.7123579 0.7517744 0.79204255 0.8331858 0.87524736 0.918289 0.9623887 1.0076336 1.0541345 1.1019847 1.1513143 1.2022419 1.2549059 1.309444 1.3659898 1.42471 1.4857278 1.5492169 1.6153063 1.6841139 1.755739 1.8302381 1.9076035 1.9877303 2.0704675 2.155514 2.2424543 2.3307524 2.419769 2.5088074 2.5971222 2.6840386 2.7688997 2.8511825 2.9304752 3.0064683 3.079002 3.1479764 3.2133574 3.2751966 3.3335633 3.3885694 3.440326 3.4889667 3.5346215 3.5774188 3.6174827 3.6549222 3.6898625 3.7224023 3.7526357 3.7806554 3.806532 3.8303564 3.85218 3.8720715 3.8900828 3.9062638 3.920658 3.9333017 3.9442275 3.9534636 3.961035 3.9669588 3.9712512 3.973923 3.9749804 3.975 3.9745948 3.973081 3.970473 3.9667988 3.9620862 3.9563642 3.949661 3.942005 3.9334245 3.9239478 3.9136035 3.9024193 3.8904233 3.8776429 3.8641057 3.8498387 3.8348687 3.819222 3.802925 3.7860036 3.7684827 3.7503877 3.7317426 3.712572 3.6928995 3.6727479 3.6521404 3.631099 3.6096458 3.5878017 3.565588 3.5430245 3.5201318 3.4969287 3.4734342 3.449667 3.4256446 3.4013848 3.3769045 3.35222 3.3273478 3.3023028 3.2771006 3.2517555 3.226282 3.2006934 3.1750035 3.1492252 3.1233704 3.097452 3.0714808 3.0454683 3.0194256 2.993363 2.9672904 2.941218 2.9151545 2.8891094 2.863091 2.8371081 2.8111682 2.7852793 2.7594485 2.733683 2.7079897 2.682375 2.6568446 2.631405 2.6060617 2.58082 2.555685 2.5306618 2.5057547 2.4809685 2.4563072 2.4317749 2.407375 2.3831117 2.3589878 2.335007 2.3111718 2.2874854 2.26395 2.2405686 2.2173433 2.1942763 2.1713696 2.148625 2.126044 2.1036289 2.0813806 2.0593004 2.0373898 2.0156498 1.9940815 1.9726856 1.9514629 1.9304142 1.9095399 1.8888407 1.8683168 1.8479686 1.8277963 1.8078002 1.7879801 1.7683363 1.7488686 1.7295768 1.7104609 1.6915206 1.6727554 1.654165 1.6357492 1.6175073 1.5994389 1.5815434 1.5638202 1.5462687 1.5288881 1.5116777 1.4946369 1.4777647 1.4610604 1.4445232 1.428152 1.411946 1.3959044 1.3800261 1.3643101 1.3487556 1.3333613 1.3181263 1.3030496 1.2881299 1.2733663 1.2587578 1.244303 1.230001 1.2158506 1.2018507 1.1879998 1.1742973 1.1607416 1.1473317 1.1340665 1.1209445 1.1079648 1.095126 1.0824271 1.0698669 1.057444 1.0451573 1.0330056 1.0209876 1.0091022 0.9973483 0.9857245 0.97422963 0.9628626 0.95162207 0.940507 0.9295161 0.9186482 0.90790206 0.89727664 0.88677067 0.876383 0.8661124 0.85595787 0.8459181 0.83599204 0.82617855 0.8164764 0.8068845 0.79740185 0.7880271 0.77875936 0.7695974 0.7605402 0.7515866 0.74273556 0.733986 0.72533685 0.7167871 0.7083356 0.6999814 0.6917234 0.6835606 0.67549205 0.66751665 0.6596334 0.6518413 0.6441394 0.63652676 0.62900233 0.62156516 0.61421436 0.6069489 0.5997679 0.5926705 0.5856556 0.5787224 0.57187 0.5650975 0.55840397 0.55178857 0.5452504 0.5387887 0.53240246 0.5260909 0.51985323 0.51368856 0.5075961 0.501575 0.49562448 0.48974377 0.48393205 0.47818854 0.47251245 0.46690306 0.46135956 0.45588124 0.45046732 0.4451171 0.43982983 0.4346048 0.4294413 0.4243386 0.41929603 0.4143129 0.4093885 0.4045222 0.3997133 0.39496115 0.39026508 0.38562444 0.3810386 0.37650692 0.3720288 0.3676036 0.3632307 0.3589095 0.35463938 0.3504198 0.34625012 0.3421298 0.3380582 0.33403483 0.3300591 0.32613045 0.3222483 0.31841218 0.3146215 0.31087574 0.30717438 0.3035169 0.29990277 0.2963315 0.29280257 0.28931552 0.2858698 0.282465 0.2791006 0.27577612 0.2724911 0.2692451 0.2660376 0.2628682 0.25973645 0.2566419 0.2535841 0.25056258 0.247577 0.2446269 0.24171184 0.23883142 0.23598523 0.2331729 0.23039398 0.2276481 0.22493486 0.2222539 0.2196048 0.21698722 0.21440078 0.21184509 0.2093198 0.20682456 0.20435901 0.20192279 0.19951555 0.19713697 0.19478668 0.19246437 0.1901697 0.18790235 0.18566197 0.18344827 0.18126093 0.17909962 0.17696406 0.1748539 0.17276889 0.1707087 0.16867305 0.16666164 0.16467418 0.16271038 0.16077 0.15885271 0.15695827 0.15508638 0.1532368 0.15140925 0.14960349 0.14781924 0.14605623 0.14431424 0.142593 0.14089228 0.13921182 0.13755138 0.13591073 0.13428964 0.13268787 0.13110517 0.12954135 0.12799618 0.1264694 0.12496084 0.12347025 0.12199743 0.12054217 0.11910426 0.117683485 0.11627965 0.11489255 0.113521986 0.11216776 0.11082968 0.10950756 0.1082012 0.10691041 0.10563502 0.104374826 0.10312966 0.10189935 0.100683704 0.09948256 0.09829573 0.09712306 0.09596437 0.09481949 0.09368828 0.09257055 0.09146615 0.090374924 0.089296706 0.088231355 0.0871787 0.086138606 0.08511092 0.08409548 0.08309216 0.0821008 0.081121266 0.08015342 0.079197116 0.07825222 0.07731859 0.07639609 0.0754846 0.074583985 0.07369412 0.07281485 0.071946084 0.07108767 0.07023951 0.06940145 0.0685734 0.06775522 0.066946805 0.06614803 0.06535879 0.06457896 0.063808426 0.063047096 0.06229484 0.06155156 0.06081715 0.0600915 0.059374504 0.05866606 0.057966076 0.057274435 0.05659105 0.055915814 0.055248637 0.054589417 0.053938065 0.05329448 0.052658577 0.052030258 0.051409435 0.050796017 0.05018992

</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="3.975" PeakHeight="293.156" Num="5" zHalfNm="259.504" Error="2.801">
-84.657 11.563 -7.627 3.977 -1.412
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6515.0" A="-1.24071371E11" B="3.8293632E7" C="-2954.6301" Error="0.00182"/>
<QuasiParabolic ID="2" StartDistance="6515.0" EndDistance="6550.0" A="0.0" B="936.1812" C="-0.10365665" Error="0.0182"/>
<QuasiParabolic ID="3" StartDistance="6550.0" EndDistance="6584.0" A="3.33907988E10" B="-1.0277603E7" C="790.84406" Error="0.0208"/>
<QuasiParabolic ID="4" StartDistance="6584.0" EndDistance="6600.0" A="3.81346592E12" B="-1.15853862E9" C="87991.71" Error="0.0197"/>
<QuasiParabolic ID="5" StartDistance="6600.0" EndDistance="6612.0" A="7.1009755E12" B="-2.15475354E9" C="163462.55" Error="0.017"/>
<QuasiParabolic ID="6" StartDistance="6612.0" EndDistance="6628.0" A="2.01388668E13" B="-6.0984596E9" C="461685.9" Error="0.00373"/>
<QuasiParabolic ID="7" StartDistance="6628.0" EndDistance="6663.156" A="-1.35377485E13" B="4.06346419E9" C="-304904.6" Error="0.0071"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="105.0" Depth="0.154"/>
<TopsideChapman PeakHeight="293.156" PeakDensity="196037.53" PeakScaleHeight="26.032" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
