<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-15 -288 07:50:00.000"
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="20.0">
<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: 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" >
2026.10.15 (288) 07:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.31" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.05" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="62.486557" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202628810150750001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.225" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.275" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.562" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.525" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="272.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="272.500" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.125" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="342.562" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.407" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="286.813" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="253.707" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.238" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="47.245" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.370" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="24.409" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="49.950" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.730" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="50">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
272.500 272.500 275.000 275.000 277.500 277.500 280.000 280.000 281.500 283.000 284.500 286.000 287.500 287.500 290.000 290.000 292.500 292.500 295.000 295.000 297.500 297.500 300.000 300.000 302.500 305.000 305.000 307.500 307.500 310.000 310.000 312.500 315.000 315.000 317.500 320.000 321.964 323.929 325.893 327.857 329.821 331.786 333.750 336.037 338.893 342.562 347.447 354.275 364.492 381.451
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 57 0 0 69 0 69 0 0 0 0 0 0 0 0 0 72 69 60 57 48 45 60 60 57 60 57 60 60 60 51 48 36 36 57 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" >
-3.125 -3.125 -3.125 -3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 3.125 3.125 3.125 -3.125 3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 -9.375 -3.125 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="564">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
92.574 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.19633 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 170.39267 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 200.589 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 286.813 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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3.0922556 3.0778713 3.0629234 3.047437 3.031436 3.0149443 2.9979856 2.9805825 2.9627576 2.9445329 2.9259293 2.9069684 2.8876703 2.8680549 2.8481417 2.8279493 2.8074965 2.786801 2.7658803 2.7447512 2.72343 2.7019324 2.680274 2.65847 2.636534 2.6144805 2.592323 2.5700746 2.5477474 2.5253541 2.502906 2.4804146 2.4578905 2.4353445 2.4127865 2.3902261 2.3676727 2.345135 2.3226218 2.300141 2.277701 2.2553086 2.2329714 2.2106965 2.18849 2.166358 2.1443071 2.1223426 2.10047 2.0786943 2.0570207 2.0354536 2.0139973 1.9926561 1.971434 1.9503345 1.9293612 1.9085175 1.8878063 1.8672305 1.846793 1.8264962 1.8063425 1.786334 1.7664729 1.746761 1.7271999 1.7077914 1.688537 1.6694378 1.650495 1.6317098 1.6130831 1.5946158 1.5763086 1.5581621 1.5401769 1.5223533 1.5046917 1.4871925 1.4698558 1.4526815 1.4356699 1.4188207 1.4021341 1.3856095 1.3692468 1.353046 1.3370063 1.3211274 1.305409 1.2898504 1.274451 1.2592102 1.2441275 1.229202 1.2144331 1.1998199 1.1853617 1.1710576 1.1569068 1.1429083 1.1290612 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</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.407" PeakHeight="110.0" Num="3" Error="0.0">
-20.398 3.203 -0.231
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.407" EndFrequency="3.225" PeakHeight="286.813" Num="5" zHalfNm="253.707" Error="0.952">
-82.445 -6.745 4.531 -2.204 0.639
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.013" EndDistance="6480.001" A="-7.266112E11" B="2.24262704E8" C="-17304.057" Error="0.00418"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6510.196" A="-2.45371208E11" B="7.5731856E7" C="-5843.342" Error="0.00331"/>
<QuasiParabolic ID="2" StartDistance="6510.196" EndDistance="6540.393" A="0.0" B="-91.927986" C="0.054055426" Error="0.00163"/>
<QuasiParabolic ID="3" StartDistance="6540.393" EndDistance="6541.0" A="5.1340415E12" B="-1.56998234E9" C="120024.625" Error="3.64E-10"/>
<QuasiParabolic ID="4" StartDistance="6541.0" EndDistance="6543.0" A="-6.8829577E11" B="2.10276624E8" C="-16059.996" Error="0.0178"/>
<QuasiParabolic ID="5" StartDistance="6543.0" EndDistance="6569.0" A="1.0404094E11" B="-3.191709E7" C="2447.8528" Error="0.0192"/>
<QuasiParabolic ID="6" StartDistance="6569.0" EndDistance="6573.0" A="3.6249912E12" B="-1.10390682E9" C="84042.445" Error="0.0118"/>
<QuasiParabolic ID="7" StartDistance="6573.0" EndDistance="6579.0" A="1.08217074E12" B="-3.30189952E8" C="25186.756" Error="0.0062"/>
<QuasiParabolic ID="8" StartDistance="6579.0" EndDistance="6633.0" A="3.33927127E12" B="-1.01634304E9" C="77333.98" Error="0.0187"/>
<QuasiParabolic ID="9" StartDistance="6633.0" EndDistance="6648.0" A="-4.01973812E12" B="1.20256525E9" C="-89928.83" Error="0.00288"/>
<QuasiParabolic ID="10" StartDistance="6648.0" EndDistance="6656.813" A="-1.69280432E13" B="5.08593E9" C="-381999.0" Error="0.00112"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="90.589" Depth="0.207"/>
<TopsideChapman PeakHeight="286.813" PeakDensity="129040.016" PeakScaleHeight="24.409" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
