<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-25 -084 07:05:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 60% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.25 (084) 07:05:00</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">
FF202608403250705001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.550" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.221" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.654" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.150" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.150" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.925" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.500" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="366.031" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.150" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.150" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="299.100" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="268.647" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.090" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="44.122" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.487" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.539" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="44.860" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.880" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="57">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
282.500 282.500 284.167 285.833 287.500 287.500 287.500 290.000 290.000 292.500 292.500 295.000 295.000 297.500 297.500 298.750 300.000 301.250 302.500 305.000 306.250 307.500 308.750 310.000 312.000 314.000 316.000 318.000 320.000 322.500 325.000 326.250 327.500 327.500 330.000 332.500 335.000 337.500 345.000 345.000 347.500 350.000 352.500 355.000 355.287 355.619 356.006 356.463 357.011 357.681 358.518 359.594 361.026 363.030 366.031 371.021 380.953
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
96 96 0 0 90 90 93 90 93 93 96 93 96 78 78 0 0 0 78 78 0 0 0 63 0 0 0 0 87 0 84 0 63 87 0 0 0 84 87 90 90 93 96 99 99 96 90 87 0 72 0 0 0 0 0 0 96
</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 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -4.6875 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="572">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.615 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 179.23 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 213.845 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 299.1 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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0.3324449 0.33689383 0.34134278 0.3457917 0.35024065 0.354 0.3594742 0.39092585 0.41915077 0.4461126 0.47264406 0.49921787 0.52614385 0.55364305 0.58190703 0.61108375 0.64131564 0.6727394 0.7054635 0.73962003 0.7752973 0.8126132 0.8516417 0.89247066 0.93516487 0.9797601 1.026284 1.0747421 1.1251189 1.1773653 1.2314007 1.2871656 1.3445326 1.4033732 1.4635824 1.5249943 1.5874921 1.650925 1.7151673 1.7800947 1.8456061 1.9115901 1.9779469 2.044607 2.1114795 2.1785204 2.2456634 2.312857 2.3800538 2.447219 2.5143266 2.5813427 2.6482253 2.714954 2.7814972 2.847854 2.9139545 2.9798095 3.045374 3.110623 3.175524 3.2400365 3.3041193 3.367748 3.430851 3.4933865 3.5552974 3.6165252 3.6769755 3.7366016 3.795283 3.852944 3.9094648 3.964726 4.018613 4.0709686 4.121645 4.17047 4.21728 4.2618704 4.3040504 4.343606 4.380327 4.4139895 4.4443893 4.471301 4.494535 4.5139093 4.529254 4.540441 4.547371 4.5499783 4.55 4.5492973 4.5468984 4.542843 4.5371814 4.529963 4.521239 4.5110583 4.4994717 4.486529 4.47228 4.4567738 4.440059 4.4221845 4.4031982 4.383147 4.3620768 4.3400345 4.3170643 4.293211 4.2685175 4.2430267 4.216779 4.189817 4.1621785 4.1339035 4.1050286 4.0755916 4.0456276 4.015172 3.984258 3.9529185 3.9211857 3.88909 3.8566618 3.8239293 3.790921 3.7576635 3.724183 3.6905048 3.6566532 3.622651 3.5885215 3.5542858 3.5199647 3.4855783 3.4511456 3.4166853 3.3822148 3.3477511 3.3133101 3.2789078 3.244558 3.210276 3.176074 3.1419656 3.1079626 3.074077 3.0403192 3.0067003 2.9732296 2.939917 2.906771 2.8738003 2.8410125 2.8084152 2.7760155 2.74382 2.7118347 2.6800654 2.6485174 2.617196 2.586106 2.5552514 2.5246363 2.4942646 2.4641395 2.434264 2.4046412 2.3752735 2.3461635 2.3173127 2.2887237 2.2603974 2.2323358 2.2045395 2.17701 2.149748 2.122754 2.0960286 2.0695717 2.043384 2.0174656 1.9918157 1.9664345 1.9413215 1.9164761 1.8918979 1.8675859 1.8435395 1.8197576 1.7962391 1.7729832 1.7499884 1.7272536 1.7047774 1.6825583 1.6605949 1.6388859 1.6174293 1.5962237 1.5752674 1.5545586 1.5340955 1.5138764 1.4938995 1.4741626 1.454664 1.4354017 1.4163738 1.3975782 1.3790131 1.3606762 1.3425655 1.3246791 1.3070148 1.2895705 1.2723441 1.2553335 1.2385366 1.2219514 1.2055755 1.189407 1.1734437 1.1576834 1.1421242 1.1267637 1.1115999 1.0966308 1.0818542 1.0672679 1.05287 1.0386583 1.0246307 1.0107851 0.99711955 0.98363197 0.9703203 0.95718247 0.94421655 0.9314205 0.9187923 0.90633005 0.8940317 0.88189536 0.8699191 0.85810095 0.84643906 0.83493155 0.82357645 0.812372 0.8013163 0.7904076 0.779644 0.7690238 0.75854516 0.74820626 0.73800546 0.72794104 0.7180112 0.70821434 0.6985487 0.68901265 0.6796046 0.67032284 0.6611658 0.6521319 0.64321953 0.6344272 0.6257533 0.6171963 0.60875475 0.60042715 0.59221196 0.58410776 0.5761131 0.56822664 0.56044686 0.55277234 0.54520184 0.5377339 0.5303672 0.52310044 0.5159322 0.5088613 0.5018864 0.49500632 0.48821968 0.4815253 0.47492194 0.46840844 0.46198356 0.45564616 0.44939503 0.44322905 0.4371471 0.43114802 0.42523074 0.41939414 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</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="4.55" PeakHeight="299.1" Num="5" zHalfNm="268.647" Error="2.212">
-83.447 -4.1 3.137 -1.982 1.137
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" 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="6514.615" A="-1.2684084E11" B="3.9148408E7" C="-3020.5852" Error="0.00168"/>
<QuasiParabolic ID="2" StartDistance="6514.615" EndDistance="6549.23" A="0.0" B="262.19366" C="-2.1355321E-4" Error="0.00448"/>
<QuasiParabolic ID="3" StartDistance="6549.23" EndDistance="6551.0" A="-7.8979511E11" B="2.41052496E8" C="-18392.797" Error="0.0145"/>
<QuasiParabolic ID="4" StartDistance="6551.0" EndDistance="6581.0" A="4.9833374E10" B="-1.5283464E7" C="1171.8463" Error="0.019"/>
<QuasiParabolic ID="5" StartDistance="6581.0" EndDistance="6583.0" A="-3.04123773E11" B="9.2285944E7" C="-7000.879" Error="9.29E-5"/>
<QuasiParabolic ID="6" StartDistance="6583.0" EndDistance="6585.0" A="1.14894024E13" B="-3.49073869E9" C="265141.38" Error="0.0134"/>
<QuasiParabolic ID="7" StartDistance="6585.0" EndDistance="6588.0" A="-1.6725052E12" B="5.06803296E8" C="-38392.586" Error="0.0164"/>
<QuasiParabolic ID="8" StartDistance="6588.0" EndDistance="6600.0" A="3.14425711E12" B="-9.5548038E8" C="72588.266" Error="0.0135"/>
<QuasiParabolic ID="9" StartDistance="6600.0" EndDistance="6635.0" A="9.445235E12" B="-2.86486758E9" C="217238.81" Error="0.0147"/>
<QuasiParabolic ID="10" StartDistance="6635.0" EndDistance="6657.0" A="1.38714061E12" B="-4.35901664E8" C="34196.918" Error="0.0125"/>
<QuasiParabolic ID="11" StartDistance="6657.0" EndDistance="6669.1" A="-3.51412504E13" B="1.05385288E10" C="-790080.56" Error="0.00393"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="103.845" Depth="0.154"/>
<TopsideChapman PeakHeight="299.1" PeakDensity="256854.84" PeakScaleHeight="22.539" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
