<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-25 -298 08:10:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: 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" >
2026.10.25 (298) 08:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.32" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.06" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="62.486557" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202629810250810001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.524" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.950" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.050" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="230.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="230.000" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.550" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="300.528" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.674" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.425" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.425" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="248.532" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="220.336" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.321" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="39.551" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.525" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.970" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="39.010" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.230" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="51">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 230.000 232.500 232.500 232.500 235.000 235.000 235.000 237.500 237.500 237.500 240.000 240.000 242.500 242.500 245.000 245.000 247.500 247.500 248.929 250.357 251.786 253.214 254.643 256.071 257.500 257.500 260.000 262.500 262.500 265.000 267.500 268.750 270.000 272.500 275.000 277.500 280.000 282.500 285.000 286.911 289.033 291.402 294.066 297.083 300.528 304.498 309.124 314.583 321.123 329.099
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 72 60 60 51 48 51 51 60 63 63 63 63 60 48 48 36 36 48 0 0 0 0 0 0 60 84 84 75 72 72 72 0 72 69 69 84 81 72 69 81 84 60 57 69 66 69 66 63 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 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 -3.125 -3.125 -3.125 -9.375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="485">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
90.841 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 136.57733 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 163.15466 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 189.732 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 248.532 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21199176 0.29018688 0.3543861 0.4051646 0.44698963 0.4824808 0.51313627 0.53989124 0.5633627 0.5839789 0.60203916 0.6177762 0.6313586 0.64291686 0.65255445 0.6603452 0.6663492 0.6706089 0.67315364 0.674 0.6736023 0.67249876 0.67069453 0.66811115 0.66485083 0.660759 0.65586305 0.6502803 0.64379716 0.6365472 0.6284256 0.61950296 0.60955566 0.59869516 0.5867612 0.57378113 0.55962473 0.54423887 0.5274277 0.5090984 0.48912874 0.46703088 0.44273162 0.41557032 0.38494933 0.3497926 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.312 0.32351398 0.3371346 0.35075524 0.36437586 0.37799647 0.39161712 0.40523773 0.41885838 0.432479 0.44609964 0.45972025 0.4733409 0.4869615 0.50058216 0.5142028 0.5278234 0.54144406 0.5550647 0.5686853 0.5823059 0.5959266 0.6095472 0.6231678 0.6367884 0.65040904 0.6640297 0.674 0.68792063 0.7348672 0.7780702 0.81997526 0.86175334 0.90411663 0.94759667 0.99262613 1.0395623 1.0887637 1.140529 1.1951545 1.2528597 1.3138235 1.3781167 1.4457237 1.516443 1.5899419 1.6658058 1.7434316 1.8222287 1.9015996 1.98098 2.0598702 2.1379085 2.2147677 2.2902346 2.364168 2.436454 2.5070314 2.5758681 2.642937 2.708244 2.7717862 2.83355 2.8935363 2.951738 3.0081437 3.0627348 3.1154728 3.166332 3.2152536 3.2621992 3.3070974 3.349874 3.3904552 3.4287586 3.464679 3.4981194 3.5289848 3.557165 3.58256 3.6050608 3.624571 3.641004 3.6542754 3.6643202 3.6710825 3.674527 3.675 3.674822 3.673267 3.6701517 3.6655262 3.6594403 3.6519444 3.6430886 3.6329234 3.6214986 3.608864 3.5950692 3.580163 3.5641932 3.5472083 3.5292547 3.5103786 3.4906256 3.47004 3.4486659 3.4265451 3.4037201 3.3802311 3.3561182 3.3314195 3.3061728 3.2804148 3.2541807 3.227505 3.2004209 3.1729605 3.1451554 3.1170356 3.0886302 3.059967 3.031073 3.0019748 2.9726973 2.943264 2.9136984 2.884023 2.8542585 2.824426 2.7945442 2.7646325 2.734708 2.7047887 2.6748898 2.6450276 2.6152163 2.5854702 2.5558026 2.526226 2.4967525 2.4673934 2.4381595 2.4090607 2.3801072 2.3513072 2.3226697 2.2942028 2.2659135 2.2378092 2.2098963 2.1821811 2.154669 2.1273654 2.1002753 2.0734031 2.046753 2.0203288 1.994134 1.9681717 1.942445 1.9169564 1.8917083 1.8667024 1.8419409 1.8174251 1.7931565 1.7691362 1.745365 1.7218438 1.698573 1.675553 1.652784 1.630266 1.6079987 1.5859822 1.5642158 1.5426991 1.5214314 1.500412 1.4796399 1.4591142 1.4388338 1.4187975 1.3990042 1.3794525 1.3601408 1.3410679 1.3222321 1.303632 1.2852657 1.2671317 1.249228 1.2315531 1.2141049 1.1968817 1.1798815 1.1631024 1.1465424 1.1301996 1.1140718 1.0981572 1.0824535 1.0669587 1.0516708 1.0365876 1.021707 1.007027 0.9925454 0.97826004 0.9641688 0.9502696 0.9365603 0.92303866 0.90970266 0.8965502 0.8835791 0.8707872 0.8581725 0.8457328 0.8334661 0.8213703 0.8094433 0.797683 0.78608745 0.77465457 0.7633823 0.75226873 0.7413118 0.73050946 0.71985984 0.70936096 0.6990109 0.6888077 0.6787495 0.66883445 0.65906054 0.64942604 0.6399291 0.63056785 0.6213405 0.6122454 0.60328054 0.59444433 0.5857351 0.57715094 0.56869036 0.56035155 0.55213284 0.54403275 0.5360495 0.52818155 0.52042735 0.51278526 0.5052538 0.4978314 0.49051654 0.48330775 0.47620356 0.4692025 0.4623031 0.455504 0.44880375 0.44220096 0.4356943 0.42928237 0.42296386 0.41673744 0.41060182 0.4045557 0.39859784 0.39272693 0.3869418 0.38124114 0.37562385 0.37008867 0.36463445 0.35926005 0.3539643 0.3487461 0.3436043 0.3385378 0.3335456 0.3286265 0.32377958 0.31900373 0.31429794 0.30966118 0.30509248 0.30059084 0.2961553 0.2917849 0.28747872 0.2832358 0.2790552 0.27493608 0.27087748 0.26687858 0.2629385 0.25905633 0.2552313 0.25146255 0.24774925 0.24409062 0.24048582 0.23693411 0.23343468 0.22998679 0.22658968 0.22324263 0.21994486 0.21669568 0.21349439 0.21034028 0.20723264 0.20417082 0.20115413 0.19818193 0.19525354 0.19236833 0.18952568 0.18672495 0.18396552 0.1812468 0.1785682 0.1759291 0.17332895 0.17076716 0.16824318 0.16575645 0.16330642 0.16089255 0.1585143 0.15617117 0.15386263 0.15158817 0.14934729 0.14713949 0.1449643 0.14282122 0.14070979 0.13862954 0.13658002 0.13456076 0.13257134 0.1306113 0.1286802 0.12677763 0.12490318 0.12305641 0.12123692 0.11944432 0.1176782 0.11593818 0.11422386 0.11253488 0.11087085 0.10923141 0.1076162 0.10602486 0.104457036 0.10291239 0.10139056 0.09989123 0.098414056 0.09695871 0.095524885 0.09411225 0.09272049 0.0913493 0.08999839 0.088667445 0.08735617 0.08606429 0.08479149 0.08353752 0.08230208 0.08108491 0.07988573 0.07870428 0.0775403 0.07639353 0.07526371 0.07415059 0.07305394 0.071973495 0.07090903 0.0698603 0.06882708 0.067809135 0.06680624 0.065818176 0.06484472 0.06388567 0.062940784 0.06200988 0.061092738 0.060189158 0.059298944 0.058421887 0.057557806 0.0567065 0.055867784 0.05504147 0.054227374 0.05342532 0.052635126 0.05185662 0.051089622 0.05033397

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.674" PeakHeight="110.0" Num="3" Error="0.0">
-24.425 5.977 -0.711
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.674" EndFrequency="3.675" PeakHeight="248.532" Num="5" zHalfNm="220.336" Error="1.956">
-60.154 1.879 -0.449 -0.74 0.664
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.001" EndDistance="6480.001" A="-1.99072966E12" B="6.1442272E8" C="-47408.707" Error="0.00536"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6505.0" A="-8.9113094E11" B="2.75040416E8" C="-21221.799" Error="0.00652"/>
<QuasiParabolic ID="2" StartDistance="6505.0" EndDistance="6506.577" A="-3.12310156E12" B="9.612727E8" C="-73968.33" Error="0.00725"/>
<QuasiParabolic ID="3" StartDistance="6506.577" EndDistance="6533.155" A="0.0" B="-1790.1304" C="0.37222636" Error="0.00899"/>
<QuasiParabolic ID="4" StartDistance="6533.155" EndDistance="6559.0" A="3.6603383E11" B="-1.1240168E8" C="8629.095" Error="0.00899"/>
<QuasiParabolic ID="5" StartDistance="6559.0" EndDistance="6560.0" A="3.46246401E13" B="-1.05586913E10" C="804961.56" Error="0.0"/>
<QuasiParabolic ID="6" StartDistance="6560.0" EndDistance="6569.0" A="4.7874226E12" B="-1.4619785E9" C="111614.57" Error="0.01"/>
<QuasiParabolic ID="7" StartDistance="6569.0" EndDistance="6577.0" A="1.5612289E13" B="-4.7577211E9" C="362470.3" Error="0.00472"/>
<QuasiParabolic ID="8" StartDistance="6577.0" EndDistance="6586.0" A="1.34344711E13" B="-4.09546854E9" C="312124.2" Error="0.0087"/>
<QuasiParabolic ID="9" StartDistance="6586.0" EndDistance="6606.0" A="-3.59061704E12" B="1.07461606E9" C="-80381.46" Error="0.00912"/>
<QuasiParabolic ID="10" StartDistance="6606.0" EndDistance="6618.532" A="-2.17378948E13" B="6.5687962E9" C="-496229.2" Error="0.00312"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="79.732" Depth="0.362"/>
<TopsideChapman PeakHeight="248.532" PeakDensity="167563.58" PeakScaleHeight="20.97" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
