<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-14 -073 07:50:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 60% PACIFIC flags: 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" >
2026.03.14 (073) 07:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202607303140750001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.650" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.699" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.501" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.100" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="227.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="227.500" 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="0.175" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.450" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="265.683" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="250.633" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="223.245" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.862" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.877" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.458" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="21.344" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="30.750" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.490" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="67">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 227.500 227.500 227.500 228.750 230.000 231.250 232.500 240.000 237.500 238.750 240.000 241.250 242.500 242.500 242.500 242.500 242.500 242.500 240.000 239.167 238.333 237.500 242.500 247.500 248.750 250.000 245.000 247.500 250.000 252.500 252.500 252.500 252.500 252.500 252.500 242.500 245.833 249.167 252.500 250.000 250.000 250.000 250.000 250.000 250.000 250.000 251.136 251.772 252.477 253.263 254.147 255.147 256.286 257.598 259.124 260.922 263.070 265.683 268.930 273.072 278.541 286.095 297.205 315.158 349.088 437.429
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 75 78 75 0 75 0 75 0 0 57 48 45 0 0 72 78 81 81 69 69 66 72 69 69 66 69 66 63 69 72 60 57 57 60 78 72 0 66 96 87 87 90 105 108 108 108 93 96 114 111 108 111 111 108 0 108 105 102 90 84 87 90 72 66 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
</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" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 137.41667 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 164.83333 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 192.25 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 250.633 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0
</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 0.353812 0.35339895 0.35261247 0.35145745 0.35001534 0.348294 0.34623033 0.34376696 0.34099412 0.3378617 0.33439493 0.33055604 0.32631677 0.32166007 0.316581 0.31108782 0.3051483 0.29865354 0.2916688 0.28410435 0.27593207 0.26707086 0.25740978 0.24700987 0.23557876 0.22317484 0.20959583 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 0.20093617 0.20655319 0.21217021 0.21778724 0.22340426 0.22902128 0.2346383 0.24025533 0.24587233 0.25148937 0.2571064 0.26272342 0.26834044 0.27395746 0.27957445 0.28519148 0.2908085 0.29642552 0.30204254 0.30765957 0.3132766 0.3188936 0.32451063 0.33012766 0.33574468 0.3413617 0.34697872 0.35259575 0.354 0.3701849 0.39417258 0.42102152 0.4507315 0.48319477 0.5181917 0.5555198 0.59498227 0.6364471 0.6798782 0.7253006 0.7728176 0.8226028 0.87489176 0.92997175 0.9882231 1.0500602 1.1160445 1.1867822 1.2630061 1.3456126 1.4355223 1.5337844 1.6413292 1.7586876 1.8854946 2.0199542 2.1584692 2.2962291 2.4285367 2.5521443 2.665488 2.7683618 2.86132 2.9452353 3.0210714 3.0897262 3.152015 3.2086096 3.2601197 3.3070462 3.3498106 3.3887727 3.42424 3.4564734 3.485696 3.5121057 3.5358524 3.557088 3.575921 3.5924625 3.6067944 3.618988 3.6291034 3.637192 3.6432881 3.6474223 3.649613 3.65 3.649895 3.6485574 3.6457183 3.6414244 3.6357229 3.628661 3.6202857 3.6106453 3.599786 3.5877554 3.5745997 3.5603652 3.5450978 3.5288422 3.511643 3.493544 3.4745884 3.454818 3.4342747 3.4129987 3.3910298 3.3684068 3.3451676 3.3213487 3.2969863 3.2721152 3.2467692 3.2209816 3.194784 3.1682074 3.1412818 3.1140366 3.0864992 3.058697 3.030656 3.0024016 2.973958 2.9453483 2.9165952 2.88772 2.858744 2.8296862 2.8005664 2.7714026 2.7422123 2.713012 2.6838179 2.6546452 2.6255083 2.596421 2.5673969 2.5384479 2.5095863 2.4808233 2.4521697 2.4236352 2.3952303 2.3669631 2.3388426 2.310877 2.2830737 2.2554395 2.2279818 2.2007062 2.1736188 2.146725 2.12003 2.0935383 2.0672543 2.0411823 2.0153255 1.9896878 1.9642719 1.9390808 1.9141171 1.8893828 1.8648803 1.8406112 1.8165771 1.7927793 1.769219 1.7458973 1.7228147 1.699972 1.6773696 1.6550076 1.6328863 1.6110057 1.5893654 1.5679653 1.5468048 1.5258836 1.5052009 1.4847559 1.4645478 1.4445757 1.4248385 1.4053352 1.3860645 1.3670251 1.3482158 1.3296351 1.3112816 1.2931538 1.27525 1.2575687 1.2401084 1.2228671 1.2058432 1.189035 1.1724408 1.1560584 1.1398863 1.1239225 1.1081649 1.0926119 1.0772614 1.0621115 1.0471603 1.0324056 1.0178456 1.0034783 0.9893016 0.97531366 0.96151227 0.9478956 0.93446153 0.9212081 0.9081333 0.8952351 0.88251156 0.86996067 0.8575804 0.8453688 0.8333239 0.82144374 0.8097263 0.79816973 0.7867721 0.77553135 0.7644457 0.7535132 0.74273205 0.73210025 0.72161597 0.71127737 0.7010827 0.69103 0.6811176 0.6713436 0.6617063 0.652204 0.6428348 0.633597 0.62448907 0.6155091 0.60665554 0.59792674 0.58932096 0.58083665 0.57247216 0.564226 0.5560964 0.54808193 0.54018104 0.5323922 0.52471393 0.5171446 0.50968295 0.5023273 0.49507642 0.48792872 0.48088285 0.47393742 0.46709105 0.4603424 0.4536901 0.44713286 0.4406693 0.43429822 0.42801824 0.42182818 0.41572675 0.40971273 0.40378493 0.3979421 0.39218307 0.38650668 0.3809118 0.37539724 0.3699619 0.36460465 0.35932443 0.35412014 0.34899068 0.34393504 0.33895215 0.334041 0.32920057 0.32442987 0.31972793 0.31509373 0.3105263 0.30602476 0.30158815 0.29721552 0.292906 0.28865865 0.2844726 0.28034702 0.276281 0.27227372 0.26832432 0.26443195 0.26059586 0.2568152 0.2530892 0.24941705 0.245798 0.24223131 0.2387162 0.23525195 0.23183781 0.22847307 0.22515702 0.22188897 0.21866824 0.21549413 0.21236597 0.20928311 0.2062449 0.20325069 0.20029984 0.19739176 0.1945258 0.19170137 0.18891786 0.18617469 0.18347128 0.18080705 0.17818144 0.1755939 0.17304386 0.1705308 0.16805418 0.16561346 0.16320814 0.16083771 0.15850165 0.15619949 0.15393071 0.15169485 0.14949141 0.14731994 0.14517999 0.14307109 0.14099278 0.13894461 0.13692619 0.13493705 0.13297677 0.13104495 0.12914117 0.12726502 0.1254161 0.12359402 0.12179839 0.12002883 0.118284956 0.1165664 0.11487279 0.11320377 0.11155898 0.10993808 0.10834071 0.10676654 0.10521522 0.10368644 0.10217985 0.10069513 0.09923199 0.09779009 0.09636913 0.09496881 0.09358882 0.09222888 0.090888694 0.089567974 0.08826643 0.0869838 0.085719794 0.084474154 0.0832466 0.08203688 0.08084474 0.079669915 0.078512155 0.07737121 0.07624684 0.075138815 0.07404688 0.07297081 0.07191037 0.07086533 0.069835484 0.068820596 0.06782046 0.066834845 0.06586356 0.06490637 0.0639631 0.063033536 0.062117476 0.061214726 0.060325094 0.059448387 0.058584422 0.057733007 0.056893963 0.056067113 0.05525228 0.054449283 0.053657956 0.052878127 0.05210963 0.0513523 0.050605975

</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="3.65" PeakHeight="250.633" Num="5" zHalfNm="223.245" Error="2.24">
-65.512 13.727 -9.554 4.038 -1.082
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="16" 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="6507.417" A="-2.01785164E11" B="6.2279372E7" C="-4805.382" Error="0.00146"/>
<QuasiParabolic ID="2" StartDistance="6507.417" EndDistance="6534.833" A="0.0" B="-80.114815" C="0.052324805" Error="0.00163"/>
<QuasiParabolic ID="3" StartDistance="6534.833" EndDistance="6536.0" A="1.66226756E12" B="-5.08790368E8" C="38932.945" Error="0.00224"/>
<QuasiParabolic ID="4" StartDistance="6536.0" EndDistance="6537.0" A="-1.53270328E12" B="4.68862912E8" C="-35856.934" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6537.0" EndDistance="6539.0" A="4.98725978E11" B="-1.52654368E8" C="11681.487" Error="0.00916"/>
<QuasiParabolic ID="6" StartDistance="6539.0" EndDistance="6560.0" A="4.4126548E10" B="-1.3611887E7" C="1049.7018" Error="0.00971"/>
<QuasiParabolic ID="7" StartDistance="6560.0" EndDistance="6561.0" A="-7.6939965E11" B="2.344144E8" C="-17854.74" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6561.0" EndDistance="6565.0" A="5.339166E12" B="-1.62766925E9" C="124050.734" Error="0.00974"/>
<QuasiParabolic ID="9" StartDistance="6565.0" EndDistance="6566.0" A="6.4495544E11" B="-1.97597568E8" C="15134.384" Error="0.0"/>
<QuasiParabolic ID="10" StartDistance="6566.0" EndDistance="6574.0" A="5.3041221E12" B="-1.61677722E9" C="123204.72" Error="0.0063"/>
<QuasiParabolic ID="11" StartDistance="6574.0" EndDistance="6579.0" A="1.08947225E13" B="-3.31759872E9" C="252564.42" Error="0.00218"/>
<QuasiParabolic ID="12" StartDistance="6579.0" EndDistance="6583.0" A="2.15213807E13" B="-6.5480765E9" C="498078.8" Error="8.41E-4"/>
<QuasiParabolic ID="13" StartDistance="6583.0" EndDistance="6591.0" A="5.014139E13" B="-1.52432036E10" C="1158501.6" Error="0.00848"/>
<QuasiParabolic ID="14" StartDistance="6591.0" EndDistance="6606.0" A="-2.70935806E13" B="8.1932918E9" C="-619414.9" Error="0.00393"/>
<QuasiParabolic ID="15" StartDistance="6606.0" EndDistance="6620.633" A="-1.40881334E13" B="4.25582669E9" C="-321393.0" Error="0.00171"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="82.25" Depth="0.154"/>
<TopsideChapman PeakHeight="250.633" PeakDensity="165291.56" PeakScaleHeight="21.344" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
