<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-14 -104 04:15:00.000"
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="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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.14 (104) 04:15:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610404140415001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.050" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.625" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.680" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.350" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.350" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.425" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.850" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="278.468" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.350" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.350" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="249.114" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="223.824" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.416" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="36.008" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.650" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.480" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="31.500" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.390" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="69">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 227.500 230.000 230.000 230.000 230.000 230.000 230.000 232.500 232.500 232.500 232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 237.500 237.500 237.500 237.500 237.500 237.500 240.000 240.000 240.000 240.000 242.500 242.500 242.500 242.500 245.000 245.000 245.000 245.000 247.500 247.500 250.000 250.000 250.000 252.500 252.500 255.000 255.000 255.000 257.500 257.500 260.000 260.000 262.500 262.500 265.000 267.500 268.765 270.197 271.829 273.708 275.894 278.468 281.545 285.288 289.939 295.873 303.708 314.531 330.452 356.187
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 78 78 72 72 72 75 75 75 72 75 75 78 75 75 75 78 78 78 51 51 60 57 0 69 72 72 84 84 81 78 78 78 102 105 90 90 81 81 81 84 96 96 96 93 84 84 84 84 81 81 81 78 75 72 63 60 60 60 81 81 0 0 0 0 81 81 84 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 7.8125 -1.5625 -1.5625 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="466">
<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 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 192.25 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 249.114 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0
</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 0.37696746 0.41039193 0.44674024 0.48566705 0.5268859 0.57018834 0.61547405 0.6627449 0.71205276 0.76353335 0.8173667 0.87375873 0.9329837 0.9953373 1.0611513 1.1308148 1.2047454 1.283392 1.3672311 1.4567577 1.5523977 1.6545336 1.7633303 1.8786652 2.0000277 2.1263366 2.2560465 2.3871112 2.5173287 2.6445992 2.767177 2.883801 2.993755 3.096662 3.1924963 3.2814052 3.3636994 3.439706 3.5097814 3.5742917 3.6335812 3.6879463 3.7376945 3.7830706 3.824306 3.8616161 3.8951616 3.9251153 3.9516106 3.9747667 3.9946816 4.0114455 4.025127 4.0357842 4.0434604 4.048186 4.049981 4.05 4.0491896 4.046368 4.0415897 4.034923 4.0264378 4.0162024 4.0042863 3.990758 3.975686 3.9591386 3.9411824 3.9218836 3.9013078 3.8795187 3.85658 3.832553 3.807498 3.7814744 3.75454 3.7267506 3.698161 3.6688242 3.638792 3.6081145 3.57684 3.545015 3.5126853 3.4798942 3.446684 3.4130952 3.379167 3.3449368 3.3104408 3.2757134 3.2407877 3.2056956 3.1704676 3.1351323 3.0997179 3.0642502 3.028755 2.9932556 2.9577754 2.9223356 2.8869572 2.851659 2.81646 2.7813773 2.7464273 2.7116258 2.6769872 2.6425252 2.6082528 2.574182 2.5403242 2.5066898 2.473289 2.4401307 2.4072235 2.3745754 2.3421934 2.3100846 2.2782547 2.2467098 2.2154548 2.1844943 2.1538327 2.1234734 2.09342 2.0636756 2.0342426 2.0051231 1.9763192 1.9478322 1.9196635 1.8918142 1.8642848 1.8370757 1.8101872 1.7836192 1.7573713 1.7314433 1.7058343 1.6805435 1.6555699 1.6309123 1.6065694 1.5825397 1.5588216 1.5354133 1.512313 1.4895186 1.4670284 1.4448398 1.422951 1.4013593 1.3800625 1.359058 1.3383435 1.3179163 1.2977738 1.2779132 1.258332 1.2390274 1.2199965 1.2012364 1.1827445 1.1645179 1.1465535 1.1288487 1.1114004 1.0942057 1.0772618 1.0605657 1.0441145 1.027905 1.0119346 0.9962004 0.98069924 0.96542835 0.9503848 0.93556565 0.9209681 0.9065893 0.8924264 0.87847644 0.86473674 0.85120445 0.8378768 0.824751 0.81182444 0.79909426 0.7865578 0.7742124 0.76205546 0.7500843 0.73829633 0.726689 0.71525973 0.704006 0.69292533 0.6820153 0.67127335 0.6606971 0.65028423 0.6400323 0.62993896 0.6200019 0.61021894 0.60058767 0.591106 0.5817716 0.57258236 0.56353617 0.55463076 0.5458642 0.5372343 0.5287391 0.5203765 0.5121446 0.5040414 0.49606487 0.4882132 0.48048452 0.47287688 0.4653885 0.45801756 0.45076227 0.44362086 0.43659157 0.42967275 0.42286265 0.4161596 0.40956202 0.40306824 0.39667666 0.39038575 0.3841939 0.37809962 0.3721014 0.36619776 0.3603872 0.35466832 0.34903967 0.3434999 0.33804756 0.33268133 0.32739985 0.32220185 0.31708598 0.31205097 0.30709556 0.30221853 0.29741862 0.29269466 0.28804544 0.2834698 0.27896658 0.27453467 0.27017292 0.26588023 0.26165554 0.2574978 0.2534059 0.24937885 0.24541561 0.2415152 0.23767662 0.2338989 0.23018107 0.22652219 0.22292136 0.21937762 0.21589011 0.21245793 0.20908019 0.20575605 0.20248467 0.1992652 0.19609684 0.19297875 0.18991017 0.18689032 0.1839184 0.18099368 0.17811538 0.1752828 0.17249522 0.1697519 0.16705216 0.1643953 0.16178064 0.15920752 0.1566753 0.15418328 0.15173087 0.14931743 0.14694233 0.14460498 0.14230478 0.14004113 0.13781346 0.13562119 0.13346377 0.13134065 0.12925127 0.1271951 0.12517162 0.12318031 0.121220656 0.11929216 0.11739432 0.11552666 0.1136887 0.11187995 0.11009997 0.108348295 0.10662448 0.10492806 0.10325863 0.10161574 0.09999899 0.09840794 0.0968422 0.09530136 0.093785025 0.09229281 0.09082432 0.0893792 0.087957054 0.08655754 0.085180275 0.083824925 0.08249113 0.08117855 0.07988685 0.0786157 0.07736477 0.07613374 0.0749223 0.073730126 0.07255691 0.07140237 0.070266195 0.069148086 0.06804778 0.06696496 0.06589938 0.06485075 0.063818805 0.062803276 0.061803903 0.060820434 0.059852608 0.05890018 0.05796291 0.05704055 0.056132864 0.05523962 0.05436059 0.05349555 0.052644268 0.05180653 0.050982125 0.050170835

</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="4.05" PeakHeight="249.114" Num="5" zHalfNm="223.824" Error="0.81">
-62.525 9.796 -6.33 2.867 -0.672
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="14" 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="226.55905" C="0.005197987" Error="0.00331"/>
<QuasiParabolic ID="3" StartDistance="6534.833" EndDistance="6536.0" A="-3.18482678E12" B="9.7453382E8" C="-74550.02" Error="0.00456"/>
<QuasiParabolic ID="4" StartDistance="6536.0" EndDistance="6537.0" A="3.27690302E12" B="-1.00273965E9" C="76710.19" Error="3.41E-10"/>
<QuasiParabolic ID="5" StartDistance="6537.0" EndDistance="6539.0" A="-8.3390589E11" B="2.54965392E8" C="-19488.762" Error="0.0185"/>
<QuasiParabolic ID="6" StartDistance="6539.0" EndDistance="6560.0" A="8.8609849E10" B="-2.7192658E7" C="2086.2537" Error="0.0196"/>
<QuasiParabolic ID="7" StartDistance="6560.0" EndDistance="6561.0" A="-2.01538064E12" B="6.1426784E8" C="-46805.555" Error="6.24E-11"/>
<QuasiParabolic ID="8" StartDistance="6561.0" EndDistance="6564.0" A="8.7972664E12" B="-2.68176845E9" C="204378.44" Error="0.0155"/>
<QuasiParabolic ID="9" StartDistance="6564.0" EndDistance="6567.0" A="3.6852678E12" B="-1.12418202E9" C="85732.305" Error="0.00443"/>
<QuasiParabolic ID="10" StartDistance="6567.0" EndDistance="6576.0" A="7.7624744E12" B="-2.36590771E9" C="180275.14" Error="0.0184"/>
<QuasiParabolic ID="11" StartDistance="6576.0" EndDistance="6580.0" A="2.01350814E13" B="-6.1288658E9" C="466388.16" Error="0.00678"/>
<QuasiParabolic ID="12" StartDistance="6580.0" EndDistance="6592.0" A="3.8685261E13" B="-1.17672192E10" C="894834.44" Error="0.0174"/>
<QuasiParabolic ID="13" StartDistance="6592.0" EndDistance="6619.114" A="-2.42880254E13" B="7.338754E9" C="-554344.4" Error="0.00772"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="82.25" Depth="0.154"/>
<TopsideChapman PeakHeight="249.114" PeakDensity="203504.97" PeakScaleHeight="19.48" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
