<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-02 -153 21:10:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 45% PACIFIC flags: Multiple candidates for F2o cusp, F2 cusps do not match, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.02 (153) 21:10:00</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">
FF202615306022110001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.500" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.540" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.929" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.050" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.050" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.025" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="227.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="227.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.325" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="295.855" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.677" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.050" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.050" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="251.768" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="221.164" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.065" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="43.601" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.505" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.710" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="37.880" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.500" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="59">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 227.500 228.750 230.000 230.000 230.000 230.000 232.500 235.000 235.000 235.000 235.000 237.500 237.500 237.500 240.000 242.500 242.500 242.500 245.000 245.000 245.000 247.500 248.750 250.000 250.000 252.500 252.500 255.000 255.000 256.250 257.500 260.000 260.000 260.000 267.500 265.000 267.500 267.500 270.000 272.500 275.000 275.000 280.000 281.128 282.404 283.859 285.534 287.482 289.777 292.519 295.855 300.000 305.289 312.271 321.916 336.103 359.030 402.372
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 75 75 75 99 99 93 96 93 93 84 78 90 78 63 66 75 75 72 66 54 57 69 69 57 57 0 0 0 63 78 75 75 81 69 72 84 84 87 87 84 81 0 0 0 75 0 75 75 75 69 69 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 9.375 -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="546">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
90.833 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 136.79233 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 163.58467 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 190.377 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 251.768 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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3.4472995 3.414928 3.382531 3.3501232 3.3177195 3.2853332 3.2529778 3.220666 3.1884098 3.1562212 3.1241107 3.0920894 3.0601673 3.028354 2.9966583 2.9650893 2.9336555 2.9023643 2.8712234 2.8402398 2.8094203 2.778771 2.7482982 2.718007 2.6879032 2.6579916 2.6282768 2.5987632 2.569455 2.5403554 2.5114686 2.4827979 2.4543457 2.4261153 2.3981092 2.3703294 2.3427782 2.3154578 2.2883697 2.2615151 2.234896 2.208513 2.1823673 2.15646 2.1307917 2.1053627 2.0801737 2.055225 2.0305166 2.0060487 1.981821 1.9578335 1.934086 1.9105779 1.887309 1.8642783 1.8414856 1.81893 1.7966106 1.7745267 1.7526771 1.731061 1.7096772 1.6885246 1.6676021 1.6469083 1.6264418 1.6062016 1.5861862 1.5663941 1.5468237 1.5274738 1.5083427 1.4894289 1.4707308 1.4522468 1.4339751 1.4159143 1.3980626 1.3804183 1.3629797 1.345745 1.3287125 1.3118805 1.2952472 1.2788109 1.2625695 1.2465217 1.2306653 1.2149987 1.1995201 1.1842276 1.1691194 1.1541938 1.1394489 1.1248828 1.110494 1.0962805 1.0822405 1.0683721 1.0546738 1.0411437 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</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.677" PeakHeight="110.0" Num="3" Error="0.0">
-24.453 6.003 -0.717
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.677" EndFrequency="4.5" PeakHeight="251.768" Num="5" zHalfNm="221.164" Error="1.259">
-68.292 11.479 -6.835 2.641 -0.384
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.973" EndDistance="6480.001" A="-2.0024066E12" B="6.1802669E8" C="-47686.79" Error="0.04"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6506.792" A="-8.9668806E11" B="2.76755584E8" C="-21354.139" Error="0.0149"/>
<QuasiParabolic ID="2" StartDistance="6506.792" EndDistance="6533.585" A="0.0" B="3872.7363" C="-0.49890405" Error="0.0149"/>
<QuasiParabolic ID="3" StartDistance="6533.585" EndDistance="6535.0" A="-7.1635666E12" B="2.19207603E9" C="-167695.56" Error="0.0225"/>
<QuasiParabolic ID="4" StartDistance="6535.0" EndDistance="6553.0" A="5.41167649E11" B="-1.6591472E8" C="12716.878" Error="0.039"/>
<QuasiParabolic ID="5" StartDistance="6553.0" EndDistance="6558.0" A="-2.9015792E11" B="8.7808936E7" C="-6642.4736" Error="0.00287"/>
<QuasiParabolic ID="6" StartDistance="6558.0" EndDistance="6574.0" A="9.9412072E12" B="-3.03246106E9" C="231255.52" Error="0.0359"/>
<QuasiParabolic ID="7" StartDistance="6574.0" EndDistance="6589.0" A="3.26244856E13" B="-9.9333673E9" C="756119.06" Error="0.0308"/>
<QuasiParabolic ID="8" StartDistance="6589.0" EndDistance="6621.768" A="-2.0408571E13" B="6.1640852E9" C="-465420.8" Error="0.0136"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="80.377" Depth="0.369"/>
<TopsideChapman PeakHeight="251.768" PeakDensity="251240.69" PeakScaleHeight="23.71" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
