<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-11-04 -308 01:45:00.000"
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 55 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 20% PACIFIC flags: F2x cusp not found, Multiple candidates for F2x cusp, 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" >
2026.11.04 (308) 01:45:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.33" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.06" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="60.383656" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202630811040145001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="4.300" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.362" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.456" 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="16" Val="287.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="287.500" 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="4.075" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="315.844" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.175" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.175" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="289.732" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="261.157" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.565" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="41.055" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.112" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="21.766" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="39.600" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.380" 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" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
287.500 290.000 290.000 290.000 290.000 290.000 290.000 290.000 290.000 290.000 290.000 291.250 292.500 293.750 295.000 295.431 295.862 296.293 296.724 297.155 297.586 298.017 298.448 298.879 299.310 299.741 300.172 300.603 301.034 302.185 303.467 304.905 306.528 308.375 310.496 312.956 315.844 319.283 323.447 328.591 335.107 343.631 355.258 372.060 398.481 446.093
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 66 54 54 51 0 0 54 45 45 66 63 0 0 54 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 60
</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 -7.8125 -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 -7.8125 -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
</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" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.45 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 180.9 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 216.35 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 289.732 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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0.3220705 0.32641467 0.3307588 0.33510298 0.3394471 0.34379125 0.3481354 0.35247955 0.354 0.36831143 0.3920686 0.4179556 0.4459591 0.4760063 0.5080037 0.5418453 0.5774135 0.6146118 0.65335745 0.6936015 0.7352999 0.77843356 0.8229999 0.86902493 0.9165218 0.9655424 1.0161169 1.0683169 1.1221714 1.1777529 1.2351253 1.2943431 1.3554666 1.4185483 1.4836313 1.5507572 1.6199644 1.6912428 1.7646061 1.8400362 1.9174637 1.9968258 2.07799 2.1608374 2.2451818 2.3308096 2.4174817 2.504906 2.5927763 2.6807866 2.7685962 2.8558383 2.942198 3.02733 3.1109304 3.1927226 3.2724197 3.3497987 3.424671 3.4968626 3.5662131 3.632632 3.6960125 3.756286 3.813415 3.8673553 3.9180825 3.9656007 4.009906 4.050997 4.0888853 4.1235986 4.155134 4.1835213 4.208777 4.2309203 4.249965 4.265925 4.2788196 4.288655 4.295442 4.299186 4.3 4.2999363 4.298592 4.2955403 4.290833 4.284522 4.27666 4.2673 4.2564945 4.2442956 4.2307563 4.2159276 4.199861 4.182608 4.1642184 4.144742 4.124228 4.102724 4.080278 4.0569353 4.0327425 4.0077434 3.981982 3.9555004 3.9283404 3.9005423 3.8721457 3.8431885 3.8137085 3.7837415 3.7533226 3.722486 3.6912644 3.65969 3.6277933 3.5956044 3.5631518 3.5304635 3.497566 3.4644852 3.4312456 3.3978715 3.3643854 3.3308094 3.2971644 3.2634711 3.2297485 3.1960151 3.1622887 3.1285863 3.094924 3.061317 3.0277803 2.9943278 2.9609725 2.9277275 2.8946044 2.8616147 2.8287692 2.7960782 2.763551 2.7311969 2.6990244 2.6670418 2.635256 2.603675 2.5723045 2.5411513 2.510221 2.4795191 2.4490504 2.41882 2.3888314 2.3590891 2.3295965 2.3003569 2.2713733 2.2426484 2.2141845 2.185984 2.1580486 2.13038 2.1029797 2.0758486 2.048988 2.022399 1.9960815 1.9700364 1.9442637 1.9187638 1.8935362 1.868581 1.8438978 1.8194861 1.7953453 1.7714746 1.7478732 1.7245401 1.7014742 1.6786746 1.6561397 1.6338685 1.6118593 1.5901109 1.5686216 1.5473899 1.526414 1.5056922 1.4852228 1.465004 1.4450337 1.4253101 1.4058315 1.3865955 1.3676003 1.3488438 1.3303239 1.3120385 1.2939856 1.276163 1.2585683 1.2411996 1.2240547 1.2071313 1.1904272 1.1739402 1.1576681 1.1416086 1.1257595 1.1101186 1.0946838 1.0794526 1.064423 1.0495925 1.0349592 1.0205208 1.0062749 0.99221957 0.9783524 0.96467143 0.9511743 0.93785894 0.92472315 0.9117649 0.898982 0.88637227 0.87393373 0.8616643 0.8495618 0.8376243 0.8258497 0.814236 0.8027812 0.79148334 0.7803404 0.7693504 0.7585115 0.7478217 0.7372792 0.7268819 0.71662825 0.70651615 0.6965439 0.6867096 0.6770115 0.66744787 0.6580169 0.64871687 0.63954604 0.6305027 0.62158525 0.6127919 0.60412115 0.5955712 0.5871406 0.5788277 0.5706309 0.56254864 0.55457944 0.5467217 0.538974 0.5313348 0.5238027 0.51637614 0.5090538 0.5018342 0.494716 0.48769772 0.4807781 0.47395575 0.46722937 0.4605976 0.45405915 0.4476128 0.4412572 0.43499118 0.42881343 0.42272282 0.41671807 0.41079804 0.40496156 0.39920747 0.3935346 0.38794187 0.38242814 0.37699232 0.37163332 0.36635008 0.36114156 0.3560067 0.35094452 0.34595394 0.341034 0.3361837 0.3314021 0.32668817 0.32204103 0.31745973 0.31294334 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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="4.3" PeakHeight="289.732" Num="5" zHalfNm="261.157" Error="1.326">
-75.401 3.807 -2.767 1.538 -0.559
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6515.45" A="-1.20966332E11" B="3.7335288E7" C="-2880.684" Error="0.0017"/>
<QuasiParabolic ID="2" StartDistance="6515.45" EndDistance="6550.9" A="0.0" B="-765.7704" C="0.15756533" Error="0.0167"/>
<QuasiParabolic ID="3" StartDistance="6550.9" EndDistance="6585.0" A="4.2607559E10" B="-1.307505E7" C="1003.1048" Error="0.0167"/>
<QuasiParabolic ID="4" StartDistance="6585.0" EndDistance="6589.0" A="4.8502208E12" B="-1.47324621E9" C="111874.11" Error="0.0129"/>
<QuasiParabolic ID="5" StartDistance="6589.0" EndDistance="6595.0" A="3.2487907E12" B="-9.8715411E8" C="74987.48" Error="0.0087"/>
<QuasiParabolic ID="6" StartDistance="6595.0" EndDistance="6607.0" A="6.2687119E12" B="-1.90297562E9" C="144420.5" Error="0.0116"/>
<QuasiParabolic ID="7" StartDistance="6607.0" EndDistance="6634.0" A="1.57069848E13" B="-4.7600282E9" C="360634.53" Error="0.0147"/>
<QuasiParabolic ID="8" StartDistance="6634.0" EndDistance="6648.0" A="-1.78141528E13" B="5.3458319E9" C="-401037.16" Error="0.00484"/>
<QuasiParabolic ID="9" StartDistance="6648.0" EndDistance="6659.732" A="-2.53216319E13" B="7.6043996E9" C="-570905.3" Error="4.21E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="106.35" Depth="0.154"/>
<TopsideChapman PeakHeight="289.732" PeakDensity="229404.47" PeakScaleHeight="21.766" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
