<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-09 -040 02:50:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 40% PACIFIC flags: F2x cusp not found, 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" >
2026.02.09 (040) 02:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.15" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.95" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="85.88234" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202604002090250001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="8.200" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.553" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="29.133" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="4.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="4.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="8.475" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="260.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="260.000" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="8.175" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="313.577" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="4.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="4.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="277.352" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="260.096" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.023" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.973" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="4.643" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.623" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.440" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.540" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="168">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05 6.075 6.1 6.125 6.15 6.175 6.2 6.225 6.25 6.275 6.3 6.325 6.35 6.375 6.4 6.425 6.45 6.475 6.5 6.525 6.55 6.575 6.6 6.625 6.65 6.675 6.7 6.725 6.75 6.775 6.8 6.825 6.85 6.875 6.9 6.925 6.95 6.975 7.0 7.025 7.05 7.075 7.1 7.125 7.15 7.175 7.2 7.225 7.25 7.275 7.3 7.325 7.35 7.375 7.4 7.425 7.45 7.475 7.5 7.525 7.55 7.575 7.6 7.625 7.65 7.675 7.7 7.725 7.75 7.775 7.8 7.825 7.85 7.875 7.9 7.925 7.95 7.975 8.0 8.025 8.05 8.075 8.1 8.125 8.15 8.175 8.2
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
260.000 262.500 262.500 262.500 262.500 262.500 262.500 262.500 263.125 263.750 264.375 265.000 265.000 267.500 267.500 268.750 270.000 270.000 270.000 270.000 270.000 270.000 270.000 270.000 270.000 270.000 270.000 270.000 269.167 268.333 267.500 267.500 270.000 270.000 267.500 270.000 269.375 268.750 268.125 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 267.500 268.750 270.000 272.500 277.500 277.500 275.000 272.500 273.750 275.000 275.000 275.000 275.000 275.000 275.625 276.250 276.875 277.500 277.500 277.500 277.500 278.750 280.000 287.500 286.250 285.000 283.750 282.500 282.500 287.500 287.500 286.250 285.000 285.000 285.000 285.000 285.000 285.000 285.000 282.500 280.000 290.000 288.750 287.500 288.750 290.000 287.500 290.000 292.500 295.000 296.250 297.500 297.500 297.500 297.500 297.500 297.500 297.500 297.500 297.500 297.361 297.222 297.083 296.944 296.806 296.667 296.528 296.389 296.250 296.111 295.972 295.833 295.694 295.556 295.417 295.278 295.139 295.000 298.333 301.667 305.000 306.250 307.500 308.333 309.167 310.000 308.750 307.500 307.500 307.500 307.500 307.500 307.500 307.500 307.500 300.000 306.250 312.500 315.000 317.500 320.000 322.000 324.000 326.000 328.000 330.000 312.500 312.500 312.816 313.577 318.018
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 99 99 0 0 0 0 0 102 96 0 96 0 60 60 63 60 0 60 0 0 60 60 60 0 0 0 60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 96 0 0 0 96 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 0 0 0 0 0 0 0 0 96 0 0 0 0 0 0 0 0 0 84 0 0 0 0 0 0 96 84 84 0 0 0 0 0 0 0 0 0 96 93 93 0 0
</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 -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 -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 -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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="412">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 277.352 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0
</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 0.3524263 0.35157037 0.35049725 0.34921128 0.34779054 0.3460947 0.34420434 0.34212717 0.33980232 0.33724248 0.33452845 0.33153966 0.32836035 0.32488185 0.3211927 0.3171983 0.31299222 0.3084957 0.30364835 0.2985621 0.29312387 0.2873491 0.2811647 0.27462557 0.26766586 0.26023185 0.25232056 0.24386445 0.23482597 0.2251332 0.21472648 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 0.2044 0.2088 0.2132 0.2176 0.222 0.2264 0.2308 0.2352 0.2396 0.244 0.2484 0.2528 0.2572 0.2616 0.266 0.2704 0.2748 0.2792 0.2836 0.288 0.2924 0.2968 0.3012 0.3056 0.31 0.3144 0.3188 0.3232 0.3276 0.332 0.3364 0.3408 0.3452 0.3496 0.354 0.41282764 0.4658152 0.518693 0.5735754 0.6317022 0.6940486 0.76139325 0.83443314 0.91371 0.99959654 1.0922852 1.1916707 1.297433 1.409051 1.5258325 1.6469964 1.771835 1.8996656 2.0298572 2.1619716 2.2955873 2.4304583 2.5663424 2.7031305 2.8406866 2.9789913 3.1180089 3.2577257 3.3981638 3.5393555 3.681338 3.8241665 3.9678888 4.112541 4.2582054 4.404934 4.5527735 4.7018104 4.8520966 5.003691 5.1566396 5.3109994 5.4667873 5.6241007 5.782893 5.943146 6.104896 6.2680645 6.432469 6.597959 6.7642355 6.9308243 7.0970626 7.2620587 7.424355 7.58205 7.732332 7.871342 7.993967 8.093789 8.163736 8.197503 8.2 8.197912 8.186726 8.166321 8.137213 8.099914 8.054937 8.002789 7.943967 7.87896 7.808244 7.7322817 7.6515183 7.5663867 7.477299 7.384653 7.288827 7.190181 7.089057 6.9857802 6.8806567 6.773975 6.666006 6.5570054 6.4472113 6.336846 6.2261167 6.1152163 6.0043235 5.893603 5.7832074 5.673277 5.5639405 5.455315 5.3475084 5.2406178 5.134731 5.029928 4.9262805 4.823851 4.7226973 4.622869 4.5244093 4.4273562 4.331742 4.237594 4.1449356 4.0537844 3.9641552 3.8760586 3.789502 3.7044895 3.6210225 3.5390997 3.4587176 3.3798702 3.3025498 3.2267466 3.1524494 3.0796454 3.0083206 2.9384596 2.8700466 2.8030639 2.7374935 2.6733167 2.6105142 2.5490658 2.4889512 2.4301498 2.3726404 2.3164017 2.2614121 2.20765 2.1550937 2.1037211 2.0535107 2.0044405 1.9564892 1.9096348 1.863856 1.8191314 1.7754397 1.7327603 1.6910721 1.6503547 1.610588 1.5717516 1.533826 1.4967915 1.460629 1.4253196 1.3908446 1.3571856 1.3243246 1.2922441 1.2609262 1.2303542 1.2005112 1.1713805 1.1429462 1.1151923 1.088103 1.0616635 1.0358584 1.0106733 0.98609364 0.9621055 0.938695 0.9158488 0.8935535 0.8717963 0.85056454 0.8298457 0.80962795 0.7898992 0.77064794 0.75186294 0.73353297 0.71564734 0.69819534 0.68116677 0.6645514 0.6483394 0.6325211 0.6170871 0.60202813 0.5873353 0.57299966 0.55901265 0.545366 0.5320514 0.51906085 0.5063866 0.49402097 0.48195648 0.4701859 0.45870212 0.44749817 0.4365673 0.4259029 0.4154985 0.4053478 0.39544463 0.38578302 0.37635708 0.3671611 0.35818946 0.3494368 0.3408977 0.332567 0.32443967 0.31651074 0.30877534 0.30122882 0.29386657 0.28668407 0.27967697 0.272841 0.266172 0.25966585 0.25331864 0.24712647 0.24108556 0.23519224 0.22944288 0.223834 0.21836215 0.21302399 0.20781627 0.20273581 0.19777949 0.1929443 0.18822727 0.1836255 0.1791362 0.17475662 0.17048408 0.16631596 0.16224971 0.15828286 0.15441296 0.15063766 0.14695464 0.14336164 0.13985647 0.13643698 0.13310109 0.12984675 0.12667195 0.12357478 0.120553315 0.117605716 0.11473017 0.11192493 0.10918827 0.106518514 0.10391403 0.10137322 0.09889453 0.096476436 0.09411746 0.09181617 0.08957113 0.08738099 0.0852444 0.08316004 0.081126645 0.07914297 0.0772078 0.07531993 0.07347823 0.07168155 0.06992881 0.068218924 0.06655084 0.06492355 0.063336045 0.061787352 0.06027653 0.058802646 0.057364803 0.055962116 0.054593727 0.053258795 0.05195651 0.05068606

</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="8.2" PeakHeight="277.352" Num="5" zHalfNm="260.096" Error="1.358">
-58.207 -9.458 7.931 -3.852 1.234
</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="6515.0" A="-1.24071371E11" B="3.8293632E7" C="-2954.6301" Error="0.00182"/>
<QuasiParabolic ID="2" StartDistance="6515.0" EndDistance="6550.0" A="0.0" B="3642.2466" C="-0.5190159" Error="0.0737"/>
<QuasiParabolic ID="3" StartDistance="6550.0" EndDistance="6574.0" A="-2.93313475E10" B="8837919.0" C="-665.58905" Error="0.0737"/>
<QuasiParabolic ID="4" StartDistance="6574.0" EndDistance="6584.0" A="2.72304652E11" B="-8.2928432E7" C="6313.9023" Error="0.0355"/>
<QuasiParabolic ID="5" StartDistance="6584.0" EndDistance="6593.0" A="1.21974775E13" B="-3.70539904E9" C="281410.38" Error="0.0732"/>
<QuasiParabolic ID="6" StartDistance="6593.0" EndDistance="6594.0" A="2.02359628E13" B="-6.1438899E9" C="466340.72" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6594.0" EndDistance="6609.0" A="3.6430408E13" B="-1.10557635E10" C="838790.9" Error="0.0203"/>
<QuasiParabolic ID="8" StartDistance="6609.0" EndDistance="6643.0" A="5.0583885E13" B="-1.53388544E10" C="1162825.6" Error="0.017"/>
<QuasiParabolic ID="9" StartDistance="6643.0" EndDistance="6647.352" A="-5.56166992E14" B="1.67334904E11" C="-1.2586516E7" Error="0.00234"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="105.0" Depth="0.154"/>
<TopsideChapman PeakHeight="277.352" PeakDensity="834243.2" PeakScaleHeight="12.623" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
