<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-11-04 -308 01:50:00.000"
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="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" >
2026.11.04 (308) 01:50:00</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">
FF202630811040150001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.475" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.484" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="19.073" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.350" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.350" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.825" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="290.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="290.000" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.450" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="321.735" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.450" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.450" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="285.588" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="266.334" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.520" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.806" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.308" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.859" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.530" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.390" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="86">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
292.500 292.500 291.667 290.833 290.000 290.000 290.000 292.500 295.000 295.000 295.227 295.455 295.682 295.909 296.136 296.364 296.591 296.818 297.045 297.273 297.500 297.727 297.955 298.182 298.409 298.636 298.864 299.091 299.318 299.545 299.773 300.000 300.000 300.000 300.714 301.429 302.143 302.857 303.571 304.286 305.000 302.500 303.214 303.929 304.643 305.357 306.071 306.786 307.500 307.500 307.500 310.000 310.000 310.000 310.000 311.250 312.500 312.500 312.500 312.500 312.500 312.500 312.500 312.500 312.500 312.500 313.125 313.750 314.375 315.000 315.000 314.167 313.333 312.500 313.500 314.500 315.500 316.500 317.500 315.000 316.250 317.500 318.062 319.108 321.735 340.634
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
51 54 0 0 78 99 102 0 87 63 0 0 0 0 0 0 0 0 0 0 0 87 84 0 87 0 0 0 0 0 0 63 60 84 0 0 0 0 0 0 75 90 0 0 0 0 0 0 60 81 84 96 96 0 84 0 84 84 84 84 87 0 81 0 84 54 0 81 0 60 57 0 0 84 0 0 0 0 87 84 81 0 60 72 72 63
</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 -7.8125 -1.5625 -1.5625 -4.6875 -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 7.8125 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -7.8125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="428">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.502 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.004 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 216.506 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 285.588 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0
</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 0.35362422 0.35313663 0.35250106 0.35164472 0.35057107 0.349358 0.34793586 0.3463106 0.34448886 0.34247816 0.34021714 0.3377866 0.33506185 0.3321931 0.32906255 0.32575405 0.32216197 0.31831458 0.31418395 0.30986303 0.3051692 0.30026504 0.2950266 0.28941223 0.28351834 0.2771974 0.27045015 0.26332945 0.25575343 0.24766809 0.23896308 0.22971696 0.21982098 0.20917495 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 0.2 0.2 0.2 0.20432043 0.20865822 0.212996 0.21733378 0.22167157 0.22600935 0.23034714 0.23468491 0.2390227 0.24336049 0.24769828 0.25203606 0.25637385 0.2607116 0.2650494 0.2693872 0.27372497 0.27806276 0.28240055 0.28673834 0.2910761 0.29541388 0.29975167 0.30408946 0.30842724 0.31276503 0.31710282 0.3214406 0.32577837 0.33011615 0.33445394 0.33879173 0.34312952 0.3474673 0.3518051 0.354 0.37342763 0.4099461 0.44532403 0.48102087 0.517836 0.5563322 0.59697336 0.64014435 0.6861978 0.73543876 0.7880967 0.84432656 0.90417427 0.9675727 1.0343388 1.1041646 1.1766523 1.2513729 1.3279042 1.4058015 1.4847193 1.564344 1.6444237 1.7247632 1.8052344 1.885729 1.9661831 2.0465739 2.1268623 2.207071 2.2872036 2.3672683 2.4473135 2.527353 2.6074355 2.6875956 2.7678757 2.8483117 2.9289527 3.0098376 3.0910115 3.1725318 3.2544441 3.336763 3.41957 3.5029182 3.5868285 3.6713607 3.7565806 3.8425198 3.9292305 4.0167837 4.1051965 4.19453 4.2848167 4.376075 4.4683337 4.561557 4.655694 4.7506313 4.8461294 4.9418187 5.037071 5.1308103 5.22129 5.3057003 5.3796034 5.436711 5.46955 5.475 5.47453 5.4695687 5.459399 5.4442797 5.42447 5.400229 5.3718147 5.3394814 5.30348 5.2640567 5.2214513 5.175898 5.1276245 5.07685 5.023787 4.96864 4.9116044 4.852868 4.7926116 4.731005 4.6682115 4.6043863 4.539675 4.474217 4.4081426 4.341575 4.274631 4.207418 4.140039 4.0725884 4.0051556 3.9378228 3.8706672 3.80376 3.7371666 3.6709483 3.6051605 3.5398548 3.475078 3.410873 3.3472786 3.28433 3.2220585 3.1604931 3.0996592 3.039579 2.980272 2.9217558 2.8640454 2.807153 2.7510893 2.6958632 2.6414812 2.5879486 2.5352688 2.4834445 2.432476 2.3823636 2.333105 2.2846982 2.2371397 2.1904252 2.1445491 2.0995061 2.0552893 2.0118916 1.9693056 1.9275228 1.8865348 1.8463326 1.8069066 1.7682475 1.7303451 1.6931895 1.6567702 1.6210768 1.5860986 1.5518248 1.5182445 1.4853469 1.4531211 1.4215558 1.3906403 1.3603635 1.3307143 1.301682 1.2732556 1.2454243 1.2181772 1.1915038 1.1653932 1.1398354 1.1148196 1.0903357 1.0663735 1.0429227 1.0199738 0.9975167 0.9755417 0.9540394 0.9330003 0.91241515 0.8922748 0.8725703 0.8532927 0.8344334 0.8159838 0.79793537 0.7802799 0.76300925 0.7461154 0.72959054 0.7134268 0.6976168 0.6821529 0.667028 0.65223473 0.6377662 0.6236154 0.6097756 0.59624016 0.5830026 0.5700565 0.55739564 0.5450138 0.53290504 0.52106345 0.5094833 0.49815884 0.4870846 0.47625512 0.4656651 0.4553093 0.44518268 0.4352802 0.42559695 0.41612822 0.40686923 0.39781544 0.38896236 0.38030556 0.37184078 0.36356375 0.3554704 0.34755665 0.3398186 0.33225232 0.32485408 0.31762013 0.3105469 0.30363083 0.2968684 0.2902563 0.28379115 0.27746975 0.27128887 0.26524547 0.25933644 0.25355884 0.24790975 0.24238634 0.2369858 0.23170544 0.22654259 0.22149463 0.21655901 0.21173325 0.20701492 0.20240162 0.19789103 0.19348086 0.18916889 0.18495293 0.18083085 0.17680058 0.17286006 0.1690073 0.16524036 0.16155732 0.15795632 0.15443553 0.15099318 0.14762752 0.14433683 0.14111947 0.13797379 0.13489819 0.13189112 0.12895106 0.1260765 0.123266004 0.12051813 0.117831506 0.11520474 0.112636514 0.11012553 0.1076705 0.105270185 0.10292337 0.10062885 0.09838548 0.096192114 0.09404763 0.091950946 0.08990099 0.087896734 0.08593715 0.08402125 0.082148045 0.0803166 0.07852598 0.07677528 0.0750636 0.07339008 0.07175387 0.07015412 0.068590045 0.067060836 0.06556571 0.06410392 0.062674716 0.06127737 0.05991118 0.058575444 0.057269488 0.055992644 0.054744266 0.05352372 0.052330386 0.051163655 0.050022934

</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="5.475" PeakHeight="285.588" Num="5" zHalfNm="266.334" Error="1.416">
-61.615 -14.19 10.231 -4.98 1.472
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="13" 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="6515.502" A="-1.20613462E11" B="3.7226376E7" C="-2872.2803" Error="0.00172"/>
<QuasiParabolic ID="2" StartDistance="6515.502" EndDistance="6551.004" A="0.0" B="260.8875" C="-6.69716E-6" Error="0.00457"/>
<QuasiParabolic ID="3" StartDistance="6551.004" EndDistance="6553.0" A="-8.7229818E11" B="2.66172208E8" C="-20304.836" Error="0.019"/>
<QuasiParabolic ID="4" StartDistance="6553.0" EndDistance="6565.0" A="9.4080025E10" B="-2.8770018E7" C="2199.5303" Error="0.0196"/>
<QuasiParabolic ID="5" StartDistance="6565.0" EndDistance="6585.0" A="6.4140017E9" B="-2062927.6" C="165.47916" Error="0.0104"/>
<QuasiParabolic ID="6" StartDistance="6585.0" EndDistance="6589.0" A="8.0674077E12" B="-2.45035264E9" C="186064.47" Error="0.0188"/>
<QuasiParabolic ID="7" StartDistance="6589.0" EndDistance="6590.0" A="-5.1247207E12" B="1.55393587E9" C="-117797.16" Error="7.34E-11"/>
<QuasiParabolic ID="8" StartDistance="6590.0" EndDistance="6595.0" A="5.747718E12" B="-1.74574208E9" C="132557.77" Error="0.00688"/>
<QuasiParabolic ID="9" StartDistance="6595.0" EndDistance="6628.0" A="1.32406093E13" B="-4.01803648E9" C="304831.8" Error="0.0173"/>
<QuasiParabolic ID="10" StartDistance="6628.0" EndDistance="6652.0" A="1.93717181E13" B="-5.8680996E9" C="444396.0" Error="0.00517"/>
<QuasiParabolic ID="11" StartDistance="6652.0" EndDistance="6655.0" A="-2.56648187E14" B="7.7120446E10" C="-5793468.5" Error="0.0016"/>
<QuasiParabolic ID="12" StartDistance="6655.0" EndDistance="6655.588" A="-3.3844349E14" B="1.01702058E11" C="-7640321.0" Error="0.0"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="106.506" Depth="0.154"/>
<TopsideChapman PeakHeight="285.588" PeakDensity="371906.03" PeakScaleHeight="13.859" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
