<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-08 -098 11:15:00.000"
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: F2o cusp not found, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.08 (098) 11:15:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609804081115001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="6.350" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.989" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="25.331" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="5.350" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="5.350" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.575" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="232.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="232.500" 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="88" Val="6.300" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="253.671" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="2.378" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="5.350" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="5.350" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="187.470" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="153.543" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.221" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="41.159" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="5.172" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.584" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="54.470" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.270" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="41">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 233.750 235.000 235.000 235.000 235.000 235.625 236.250 236.875 237.500 237.500 238.125 238.750 239.375 240.000 240.000 240.000 240.000 241.250 242.500 242.647 242.808 242.982 243.174 243.384 243.617 243.875 244.164 244.489 244.857 245.278 245.763 246.329 246.998 247.800 248.779 250.003 251.576 253.671 256.599 260.983
</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
</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 -9.375 -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 -9.375 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="489">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
89.667 90.0 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 116.416664 117.0 118.0 119.0 120.0 121.0 122.0 122.833336 123.0 124.0 125.0 126.0 127.0 128.0 129.0 129.25 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 187.47 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.22804919 0.74834675 1.0910076 1.2983057 1.4602532 1.5959212 1.7131089 1.8159227 1.906852 1.9875143 2.0590024 2.1221437 2.1775188 2.2255712 2.266665 2.3010495 2.3289382 2.3504837 2.3657954 2.3749526 2.378 2.3749452 2.3656898 2.350192 2.328402 2.300216 2.26548 2.249 2.249 2.249 2.249 2.249 2.249 2.249 2.249 2.2523506 2.2724545 2.2925584 2.3126624 2.3327663 2.3528702 2.372974 2.378 2.4428353 2.5244532 2.6038554 2.6830242 2.7632337 2.8453555 2.929969 3.0174842 3.1080482 3.2015433 3.2975304 3.395319 3.493987 3.5925634 3.6900725 3.7857265 3.8789485 3.9693468 4.056783 4.141218 4.222713 4.3014116 4.3774805 4.451101 4.5224514 4.5917487 4.659129 4.7247787 4.7888594 4.8514967 4.912833 4.9729967 5.0320807 5.090218 5.147483 5.203979 5.2597885 5.315001 5.3697076 5.4239607 5.477839 5.5314307 5.584802 5.6380215 5.691168 5.744298 5.7974873 5.8508196 5.904336 5.9581056 6.0121517 6.066456 6.120884 6.1750865 6.228231 6.278309 6.320797 6.3467274 6.35 6.34966 6.347194 6.3424006 6.335348 6.326106 6.3147435 6.30133 6.285936 6.26863 6.249481 6.2285585 6.2059298 6.181662 6.1558228 6.128477 6.09969 6.0695257 6.038047 6.0053153 5.971392 5.9363356 5.900205 5.8630567 5.824946 5.785928 5.7460546 5.7053785 5.663949 5.621815 5.5790253 5.535624 5.4916573 5.4471674 5.4021974 5.356787 5.310977 5.264804 5.218305 5.1715155 5.12447 5.077202 5.029742 4.9821205 4.934368 4.8865123 4.83858 4.7905974 4.74259 4.6945806 4.646593 4.5986485 4.5507684 4.5029726 4.45528 4.4077086 4.3602757 4.3129983 4.265892 4.218971 4.17225 4.125742 4.0794597 4.0334153 3.98762 3.9420846 3.8968189 3.8518324 3.807134 3.7627318 3.718634 3.6748471 3.6313787 3.5882344 3.5454204 3.5029418 3.4608037 3.4190106 3.3775666 3.3364756 3.2957406 3.2553651 3.2153516 3.1757026 3.1364202 3.097506 3.0589619 3.0207887 2.9829879 2.94556 2.9085054 2.8718247 2.8355181 2.7995853 2.764026 2.7288399 2.6940262 2.6595845 2.6255133 2.591812 2.558479 2.5255134 2.4929132 2.4606771 2.4288034 2.3972902 2.3661358 2.335338 2.304895 2.274804 2.2450635 2.2156706 2.1866236 2.1579194 2.1295557 2.1015303 2.0738401 2.0464828 2.0194557 1.992756 1.966381 1.9403278 1.9145937 1.8891759 1.8640715 1.8392776 1.8147914 1.79061 1.7667302 1.7431494 1.7198646 1.6968727 1.674171 1.6517563 1.6296258 1.6077764 1.5862054 1.5649097 1.5438864 1.5231326 1.5026453 1.4824215 1.4624586 1.4427534 1.4233032 1.4041052 1.3851564 1.3664539 1.347995 1.3297769 1.3117968 1.2940518 1.2765393 1.2592566 1.2422009 1.2253693 1.2087595 1.1923687 1.1761942 1.1602334 1.1444838 1.1289427 1.1136076 1.098476 1.0835454 1.0688134 1.0542774 1.039935 1.0257838 1.0118214 0.9980454 0.9844535 0.97104347 0.95781285 0.9447595 0.93188107 0.9191754 0.90664023 0.89427346 0.8820729 0.8700364 0.85816187 0.8464472 0.83489037 0.82348925 0.8122419 0.8011464 0.7902006 0.7794027 0.7687506 0.7582426 0.7478767 0.73765105 0.72756386 0.7176132 0.7077974 0.69811463 0.68856317 0.6791413 0.6698472 0.6606792 0.65163577 0.64271516 0.6339157 0.6252359 0.61667407 0.6082287 0.59989816 0.591681 0.58357567 0.5755807 0.5676946 0.5599159 0.55224323 0.54467505 0.53721005 0.52984685 0.522584 0.5154203 0.50835425 0.5013847 0.4945102 0.48772955 0.4810415 0.47444475 0.4679381 0.4615203 0.45519024 0.44894665 0.4427884 0.4367143 0.43072325 0.4248141 0.41898575 0.41323712 0.40756714 0.4019747 0.39645877 0.39101833 0.38565233 0.38035977 0.37513965 0.369991 0.36491284 0.3599042 0.35496417 0.35009176 0.3452861 0.34054625 0.33587134 0.3312605 0.3267128 0.32222742 0.3178035 0.3134402 0.30913672 0.3048922 0.30070588 0.29657695 0.2925046 0.28848812 0.28452668 0.28061956 0.27676603 0.2729653 0.26921675 0.2655196 0.26187313 0.2582767 0.2547296 0.25123116 0.2477807 0.24437758 0.24102116 0.23771077 0.23444583 0.23122567 0.2280497 0.22491731 0.22182791 0.2187809 0.21577571 0.21281177 0.20988852 0.20700537 0.20416181 0.20135728 0.19859123 0.19586317 0.19317256 0.19051887 0.18790163 0.18532032 0.18277444 0.1802635 0.17778707 0.17534462 0.1729357 0.17055987 0.16821665 0.16590561 0.16362631 0.16137831 0.15916117 0.15697448 0.15481782 0.15269078 0.15059295 0.14852394 0.14648333 0.14447075 0.14248581 0.14052814 0.13859735 0.13669309 0.13481498 0.13296266 0.13113578 0.12933399 0.12755696 0.12580433 0.124075785 0.12237098 0.12068959 0.119031295 0.11739578 0.11578274 0.11419185 0.11262281 0.111075334 0.10954911 0.10804386 0.106559284 0.105095096 0.10365103 0.1022268 0.10082214 0.099436775 0.09807044 0.09672288 0.09539383 0.09408304 0.09279026 0.09151524 0.09025774 0.08901751 0.087794326 0.08658794 0.08539814 0.08422468 0.08306734 0.081925906 0.08080015 0.07968987 0.07859484 0.07751485 0.07644971 0.07539919 0.07436311 0.07334127 0.07233347 0.07133952 0.070359215 0.06939239 0.06843884 0.0674984 0.06657088 0.0656561 0.0647539 0.06386408 0.0629865 0.062120974 0.061267342 0.060425438 0.059595104 0.058776177 0.057968505 0.05717193 0.0563863 0.05561146 0.054847274 0.05409359 0.053350255 0.05261714 0.051894095 0.05118099 0.05047768

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="2.378" PeakHeight="110.0" Num="3" Error="0.0">
-29.574 11.814 -2.573
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="2.378" EndFrequency="6.35" PeakHeight="187.47" Num="5" zHalfNm="153.543" Error="2.007">
-50.141 -14.229 9.616 -4.683 1.217
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.8525" EndDistance="6480.001" A="-2.44154924E13" B="7.5356457E9" C="-581448.5" Error="0.00872"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6486.417" A="-2.56439138E13" B="7.9147878E9" C="-610703.3" Error="1.72E-4"/>
<QuasiParabolic ID="2" StartDistance="6486.417" EndDistance="6492.833" A="0.0" B="-10766.718" C="6.7170634" Error="1.63E-4"/>
<QuasiParabolic ID="3" StartDistance="6492.833" EndDistance="6498.0" A="-1.59306834E10" B="1109529.1" C="212.06409" Error="0.00147"/>
<QuasiParabolic ID="4" StartDistance="6498.0" EndDistance="6500.0" A="1.22251278E14" B="-3.7631148E10" C="2895892.2" Error="0.00906"/>
<QuasiParabolic ID="5" StartDistance="6500.0" EndDistance="6514.0" A="2.31091764E13" B="-7.125887E9" C="549333.56" Error="0.0054"/>
<QuasiParabolic ID="6" StartDistance="6514.0" EndDistance="6543.0" A="-5.5720348E12" B="1.68013414E9" C="-126596.84" Error="0.01"/>
<QuasiParabolic ID="7" StartDistance="6543.0" EndDistance="6553.0" A="1.6206604E13" B="-4.9769462E9" C="382120.9" Error="0.00245"/>
<QuasiParabolic ID="8" StartDistance="6553.0" EndDistance="6556.0" A="-6.419209E13" B="1.95610358E10" C="-1490149.9" Error="3.57E-4"/>
<QuasiParabolic ID="9" StartDistance="6556.0" EndDistance="6557.47" A="-3.16807961E14" B="9.6625058E10" C="-7367515.5" Error="9.16E-5"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="19.25" Depth="0.129"/>
<TopsideChapman PeakHeight="187.47" PeakDensity="500279.16" PeakScaleHeight="22.584" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
