<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-02 -153 22:20:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.02 (153) 22:20:00</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">
FF202615306022220001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.100" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.316" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.596" 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="4.375" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="282.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="282.500" 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="3.850" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="318.232" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.325" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.325" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="289.102" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="256.489" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.802" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="46.735" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.189" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="24.939" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="44.240" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.570" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="38">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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" >
285.000 287.500 287.500 287.500 287.500 285.000 282.500 282.500 287.500 287.500 287.500 287.500 290.000 292.500 292.500 292.500 292.500 292.500 295.000 297.500 300.000 301.818 303.828 306.064 308.564 311.380 314.576 318.232 322.457 327.394 333.241 340.274 348.895 359.709 373.677 392.412 418.859 459.013
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
93 96 99 93 90 87 84 84 90 87 90 84 78 72 0 78 78 72 0 0 0 75 75 75 63 63 87 87 87 90 69 66 84 81 84 81 84 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="592">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.663 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 175.326 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 207.989 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 289.102 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0 662.0 663.0 664.0 665.0 666.0 667.0 668.0 669.0 670.0 671.0 672.0 673.0 674.0 675.0 676.0 677.0 678.0 679.0 680.0
</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 0.35298675 0.35220242 0.35119912 0.34998095 0.3485529 0.34684834 0.3448765 0.3427189 0.34031472 0.33767694 0.33475268 0.3315615 0.3281247 0.32433978 0.3203631 0.3160434 0.31136882 0.3064475 0.30111992 0.2954418 0.28943008 0.2829237 0.27608088 0.26868826 0.26073948 0.25228694 0.24322353 0.23347291 0.22291456 0.21159154 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 0.20317778 0.2078926 0.21260741 0.21732223 0.22203705 0.22675186 0.23146668 0.23618148 0.2408963 0.24561112 0.25032595 0.25504074 0.25975555 0.26447037 0.2691852 0.2739 0.27861482 0.28332964 0.28804445 0.29275927 0.2974741 0.3021889 0.30690372 0.31161854 0.31633335 0.32104817 0.325763 0.33047777 0.3351926 0.3399074 0.34462222 0.34933704 0.354 0.3542215 0.37501916 0.39745978 0.4214954 0.44704837 0.47402984 0.5023439 0.5318916 0.5626054 0.5944177 0.6272879 0.6611812 0.6960884 0.7320176 0.76897436 0.80698055 0.84608567 0.8863028 0.9277024 0.9703113 1.0141983 1.059424 1.1060342 1.1541054 1.2036918 1.2548686 1.3076917 1.3622184 1.4185313 1.4766525 1.5366461 1.5985337 1.6623528 1.728096 1.7957395 1.8652513 1.9365535 2.009542 2.0840874 2.1600194 2.237117 2.3151448 2.3938258 2.4728656 2.5519679 2.6307797 2.708998 2.7863207 2.862442 2.9370985 3.010046 3.0810785 3.1500163 3.216725 3.2810812 3.3429973 3.4024038 3.4592772 3.5135767 3.5653057 3.6144624 3.6610632 3.7051203 3.7466714 3.7857428 3.8223586 3.856564 3.88839 3.9178636 3.9450274 3.9699087 3.992538 4.012946 4.031155 4.047192 4.061074 4.07282 4.0824485 4.089971 4.095398 4.0987353 4.09999 4.1 4.099485 4.097718 4.094725 4.0905404 4.0851955 4.078725 4.0711617 4.0625386 4.05289 4.042248 4.030646 4.018117 4.0046935 3.990408 3.9752917 3.9593768 3.9426942 3.9252746 3.9071484 3.8883452 3.8688946 3.8488255 3.8281658 3.8069434 3.7851853 3.7629187 3.740169 3.716962 3.6933227 3.6692748 3.6448426 3.6200488 3.594916 3.5694664 3.5437207 3.5177002 3.4914248 3.4649138 3.4381866 3.4112613 3.3841558 3.3568873 3.3294728 3.3019283 3.2742693 3.246511 3.2186682 3.1907547 3.162784 3.13477 3.1067243 3.0786595 3.0505872 3.0225189 2.9944654 2.9664366 2.938443 2.9104936 2.8825982 2.8547652 2.827003 2.7993197 2.771723 2.7442203 2.7168183 2.689524 2.6623433 2.6352828 2.6083477 2.5815437 2.554876 2.5283496 2.5019689 2.4757383 2.449662 2.4237437 2.3979874 2.3723962 2.3469737 2.3217225 2.2966456 2.2717457 2.247025 2.222486 2.1981306 2.173961 2.1499784 2.126185 2.1025817 2.0791702 2.0559514 2.0329266 2.0100965 1.987462 1.9650236 1.9427822 1.9207377 1.898891 1.877242 1.8557909 1.8345377 1.8134826 1.7926253 1.7719657 1.7515036 1.7312384 1.7111698 1.6912975 1.6716208 1.6521393 1.6328521 1.6137586 1.5948579 1.5761495 1.5576323 1.5393056 1.5211682 1.5032194 1.4854581 1.4678832 1.4504937 1.4332883 1.4162662 1.399426 1.3827666 1.3662868 1.3499852 1.3338608 1.3179121 1.3021381 1.2865372 1.2711082 1.2558497 1.2407606 1.2258393 1.2110844 1.1964947 1.1820687 1.1678052 1.1537025 1.1397594 1.1259745 1.1123464 1.0988735 1.0855546 1.0723883 1.059373 1.0465074 1.03379 1.0212196 1.0087945 0.9965136 0.98437524 0.97237813 0.96052086 0.94880205 0.93722034 0.9257742 0.91446245 0.9032836 0.8922363 0.8813192 0.87053096 0.85987025 0.8493357 0.8389259 0.8286397 0.81847566 0.8084326 0.798509 0.7887038 0.7790156 0.76944315 0.7599852 0.75064045 0.74140775 0.7322858 0.72327334 0.71436924 0.70557225 0.6968812 0.6882948 0.6798121 0.67143166 0.6631525 0.65497345 0.6468933 0.638911 0.63102543 0.62323546 0.61553997 0.60793793 0.6004282 0.5930098 0.5856816 0.57844263 0.5712918 0.56422806 0.55725044 0.55035794 0.5435496 0.5368243 0.5301812 0.5236193 0.5171376 0.5107352 0.50441116 0.49816456 0.49199447 0.48589998 0.4798802 0.47393426 0.46806124 0.46226034 0.45653063 0.4508713 0.44528148 0.4397604 0.43430716 0.42892098 0.4236011 0.41834664 0.4131569 0.40803102 0.4029683 0.39796793 0.3930292 0.38815135 0.38333362 0.37857533 0.3738757 0.36923409 0.36464974 0.36012197 0.35565013 0.35123348 0.3468714 0.3425632 0.33830827 0.3341059 0.3299555 0.3258564 0.32180795 0.3178096 0.31386074 0.3099607 0.30610892 0.30230483 0.2985478 0.2948373 0.29117274 0.28755355 0.2839792 0.28044912 0.27696276 0.2735196 0.2701191 0.26676077 0.26344404 0.26016843 0.25693342 0.25373852 0.25058326 0.2474671 0.24438961 0.24135028 0.23834866 0.23538427 0.23245667 0.22956538 0.22670999 0.22389002 0.22110507 0.21835467 0.21563841 0.21295589 0.21030666 0.20769033 0.2051065 0.20255473 0.20003466 0.1975459 0.19508804 0.19266072 0.19026354 0.18789615 0.18555817 0.18324924 0.18096898 0.17871708 0.17649315 0.17429686 0.17212787 0.16998583 0.16787042 0.16578129 0.16371813 0.16168062 0.15966845 0.15768129 0.15571882 0.15378076 0.1518668 0.14997663 0.14810996 0.1462665 0.14444597 0.14264809 0.14087255 0.1391191 0.13738745 0.13567734 0.1339885 0.13232067 0.13067357 0.12904698 0.1274406 0.12585422 0.12428757 0.1227404 0.12121249 0.119703576 0.118213445 0.11674184 0.115288556 0.11385334 0.112436 0.11103628 0.10965397 0.10828887 0.106940754 0.10560942 0.10429464 0.10299622 0.10171397 0.10044767 0.09919713 0.09796214 0.09674253 0.0955381 0.094348654 0.09317401 0.09201399 0.090868406 0.08973707 0.08861983 0.08751649 0.08642688 0.08535083 0.08428817 0.08323874 0.082202375 0.0811789 0.08016817 0.079170026 0.07818431 0.07721085 0.07624951 0.07530014 0.07436259 0.07343671 0.07252235 0.07161938 0.07072764 0.06984701 0.06897733 0.06811849 0.06727034 0.066432744 0.06560557 0.06478871 0.063982 0.06318534 0.0623986 0.061621655 0.06085438 0.06009666 0.059348367 0.058609396 0.057879623 0.057158932 0.05644722 0.055744365 0.055050258 0.054364797 0.053687867 0.053019367 0.052359186 0.05170723 0.05106339 0.05042756

</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="289.102" Num="5" zHalfNm="256.489" Error="2.271">
-84.489 6.155 -4.47 2.397 -0.706
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6512.663" A="-1.42375879E11" B="4.3943172E7" C="-3390.5515" Error="0.00161"/>
<QuasiParabolic ID="2" StartDistance="6512.663" EndDistance="6545.326" A="0.0" B="-459.44022" C="0.11057498" Error="0.00953"/>
<QuasiParabolic ID="3" StartDistance="6545.326" EndDistance="6574.0" A="4.8600383E10" B="-1.492605E7" C="1146.0254" Error="0.00953"/>
<QuasiParabolic ID="4" StartDistance="6574.0" EndDistance="6577.0" A="-1.36350966E11" B="4.1341476E7" C="-3133.5247" Error="0.00161"/>
<QuasiParabolic ID="5" StartDistance="6577.0" EndDistance="6580.0" A="5.5138614E12" B="-1.67683162E9" C="127486.29" Error="0.0138"/>
<QuasiParabolic ID="6" StartDistance="6580.0" EndDistance="6587.0" A="2.07994251E12" B="-6.330873E8" C="48174.418" Error="0.0141"/>
<QuasiParabolic ID="7" StartDistance="6587.0" EndDistance="6601.0" A="4.5566562E12" B="-1.38508774E9" C="105256.586" Error="0.0131"/>
<QuasiParabolic ID="8" StartDistance="6601.0" EndDistance="6628.0" A="1.29379001E13" B="-3.92447411E9" C="297605.2" Error="0.0177"/>
<QuasiParabolic ID="9" StartDistance="6628.0" EndDistance="6642.0" A="-1.19573536E13" B="3.58767258E9" C="-269092.66" Error="0.00367"/>
<QuasiParabolic ID="10" StartDistance="6642.0" EndDistance="6659.102" A="-1.66235703E13" B="4.9927363E9" C="-374863.8" Error="5.01E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="97.989" Depth="0.154"/>
<TopsideChapman PeakHeight="289.102" PeakDensity="208560.8" PeakScaleHeight="24.939" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
