<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-22 -081 01:00:00.000"
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" >
2026.03.22 (081) 01:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608103220100001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.400" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.159" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.742" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.750" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.750" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="317.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="317.500" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.325" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="370.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.750" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.750" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="304.226" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="272.101" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.632" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="46.162" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.472" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.651" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="48.050" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.780" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="27">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
317.500 317.500 320.000 322.500 322.500 325.000 327.500 330.000 330.000 335.000 335.000 337.500 340.000 342.500 345.000 347.500 350.000 352.500 357.500 360.000 360.000 365.000 367.500 370.000 374.372 379.288 384.856
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 57 0 0 0 0 0 0 93 0 96 96 93 0 0 0 96 96 0 93 93 90 0 90 90 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="573">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.77834 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.55667 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 217.335 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 304.226 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0
</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 0.35250106 0.35164472 0.35064512 0.34943143 0.34800863 0.34645483 0.34463128 0.34261858 0.34042498 0.33799088 0.3353968 0.33252093 0.32951206 0.32619202 0.32264903 0.3189061 0.31487095 0.3105801 0.3060176 0.30112568 0.29603976 0.29055312 0.28467247 0.2785122 0.27195677 0.26496488 0.25757384 0.24961808 0.24123535 0.23217484 0.22246583 0.21215436 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 0.2 0.2 0.20190823 0.2062125 0.2105168 0.21482107 0.21912536 0.22342964 0.22773391 0.2320382 0.23634247 0.24064676 0.24495104 0.24925533 0.2535596 0.25786388 0.26216817 0.26647246 0.27077672 0.275081 0.2793853 0.28368956 0.28799385 0.29229814 0.2966024 0.3009067 0.30521098 0.30951527 0.31381953 0.31812382 0.3224281 0.32673237 0.33103666 0.33534095 0.33964524 0.3439495 0.3482538 0.35255808 0.354 0.36975032 0.3921526 0.41381556 0.43523708 0.45671132 0.47844264 0.50059307 0.52328336 0.54662466 0.5707072 0.5956172 0.6214365 0.64823174 0.67606497 0.7049935 0.735054 0.76629406 0.79873013 0.83236927 0.867214 0.90324295 0.9404166 0.9786927 1.0180128 1.0583025 1.0994786 1.141462 1.1841698 1.2274984 1.2713721 1.3157158 1.3604317 1.405472 1.4507504 1.4962277 1.5418351 1.5875406 1.6332974 1.6790851 1.7248547 1.7706083 1.8162994 1.8619237 1.9074656 1.9529059 1.9982381 2.043455 2.0885377 2.1334882 2.1782894 2.2229366 2.2674158 2.311718 2.3558314 2.3997421 2.4434469 2.4869132 2.5301323 2.5730774 2.615732 2.6580591 2.7000322 2.7416122 2.7827663 2.8234437 2.863578 2.903137 2.9420302 2.980192 3.017544 3.0539827 3.089405 3.1236987 3.1567438 3.1883905 3.2184968 3.2468956 3.2734299 3.297915 3.3201745 3.3400285 3.3573017 3.3718307 3.3834672 3.3920867 3.3975914 3.399918 3.4 3.3996468 3.3981614 3.3955448 3.3918295 3.3870478 3.3812318 3.3744142 3.3666272 3.3579032 3.3482745 3.337773 3.3264308 3.314279 3.3013492 3.2876718 3.2732775 3.258196 3.2424574 3.2260904 3.2091236 3.191585 3.1735024 3.1549025 3.1358116 3.1162555 3.0962598 3.0758486 3.0550463 3.033876 3.0123608 2.9905226 2.968383 2.9459631 2.923283 2.900363 2.8772216 2.8538775 2.830349 2.8066533 2.782807 2.7588267 2.7347279 2.7105258 2.6862347 2.6618693 2.6374426 2.612968 2.5884576 2.563924 2.5393786 2.5148325 2.4902964 2.4657803 2.4412942 2.4168477 2.3924494 2.3681078 2.3438315 2.3196282 2.295505 2.2714694 2.2475278 2.223687 2.1999526 2.1763308 2.152827 2.129446 2.1061933 2.083073 2.0600896 2.0372472 2.0145497 1.9920008 1.9696038 1.9473618 1.9252777 1.9033544 1.8815943 1.8599998 1.838573 1.817316 1.7962306 1.7753184 1.7545809 1.7340194 1.7136353 1.6934295 1.6734029 1.6535563 1.6338906 1.6144061 1.5951034 1.5759828 1.5570446 1.538289 1.5197158 1.5013251 1.4831169 1.4650909 1.4472468 1.4295844 1.412103 1.3948025 1.3776819 1.3607409 1.3439789 1.327395 1.3109884 1.2947584 1.2787043 1.2628249 1.2471193 1.2315867 1.216226 1.2010361 1.186016 1.1711645 1.1564806 1.141963 1.1276106 1.1134222 1.0993965 1.0855322 1.0718282 1.0582833 1.044896 1.0316651 1.0185893 1.0056671 0.9928974 0.9802787 0.96780974 0.9554891 0.94331545 0.9312874 0.9194037 0.90766275 0.8960634 0.8846041 0.8732836 0.8621005 0.85105336 0.84014094 0.8293617 0.8187144 0.8081976 0.79781 0.7875503 0.77741694 0.7674088 0.75752443 0.7477625 0.7381217 0.7286007 0.7191982 0.7099129 0.7007435 0.69168866 0.6827472 0.6739177 0.66519904 0.65658987 0.648089 0.6396951 0.6314071 0.6232236 0.61514354 0.60716563 0.5992887 0.5915116 0.5838331 0.57625204 0.56876737 0.5613778 0.55408233 0.54687977 0.53976905 0.532749 0.5258186 0.51897675 0.51222235 0.5055544 0.49897182 0.49247357 0.48605862 0.479726 0.47347462 0.46730354 0.46121177 0.45519832 0.44926226 0.4434026 0.43761837 0.4319087 0.42627263 0.42070928 0.41521767 0.40979698 0.4044463 0.39916474 0.39395148 0.3888056 0.3837263 0.37871274 0.37376407 0.3688795 0.36405823 0.3592994 0.3546023 0.3499661 0.34539005 0.34087336 0.33641532 0.33201516 0.32767215 0.32338557 0.31915468 0.3149788 0.3108572 0.30678922 0.30277413 0.29881132 0.29490003 0.2910397 0.28722963 0.28346914 0.27975768 0.27609456 0.27247915 0.26891088 0.2653891 0.26191327 0.25848275 0.25509697 0.2517554 0.24845737 0.24520239 0.2419899 0.23881935 0.23569018 0.23260185 0.22955388 0.22654569 0.22357681 0.22064671 0.2177549 0.21490087 0.21208413 0.20930421 0.20656064 0.20385292 0.2011806 0.19854324 0.19594036 0.19337152 0.19083628 0.1883342 0.18586485 0.18342781 0.18102266 0.17864896 0.17630635 0.17399439 0.17171268 0.16946085 0.16723849 0.16504522 0.16288067 0.16074446 0.15863623 0.1565556 0.1545022 0.15247571 0.15047576 0.14850199 0.1465541 0.1446317 0.1427345 0.14086215 0.13901433 0.13719071 0.135391 0.13361487 0.13186201 0.13013212 0.1284249 0.12674005 0.12507729 0.12343632 0.12181686 0.12021862 0.11864134 0.11708473 0.11554852 0.114032455 0.11253627 0.111059695 0.10960248 0.10816437 0.10674512 0.10534447 0.10396219 0.102598034 0.101251766 0.099923156 0.098611966 0.09731797 0.09604095 0.094780676 0.09353693 0.09230949 0.09109815 0.0899027 0.08872293 0.087558635 0.086409606 0.08527565 0.08415657 0.08305217 0.08196226 0.08088665 0.07982514 0.07877756 0.07774372 0.07672344 0.07571655 0.074722864 0.07374222 0.07277444 0.07181936 0.0708768 0.06994662 0.06902863 0.06812269 0.06722864 0.06634632 0.06547557 0.06461625 0.0637682 0.062931284 0.062105343 0.06129024 0.060485836 0.059691988 0.058908552 0.058135398 0.05737239 0.056619395 0.055876277 0.055142913 0.054419175 0.053704932 0.05300006 0.05230444 0.051617946 0.05094046 0.05027187

</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="3.4" PeakHeight="304.226" Num="5" zHalfNm="272.101" Error="1.702">
-83.416 -6.349 4.304 -2.482 1.052
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6515.778" A="-1.18763201E11" B="3.6655308E7" C="-2828.2166" Error="0.00174"/>
<QuasiParabolic ID="2" StartDistance="6515.778" EndDistance="6551.557" A="0.0" B="1155.8441" C="-0.13735247" Error="0.0232"/>
<QuasiParabolic ID="3" StartDistance="6551.557" EndDistance="6585.0" A="1.8747906E10" B="-5808897.0" C="449.90182" Error="0.0232"/>
<QuasiParabolic ID="4" StartDistance="6585.0" EndDistance="6590.0" A="3.04386723E12" B="-9.2459987E8" C="70213.836" Error="0.0341"/>
<QuasiParabolic ID="5" StartDistance="6590.0" EndDistance="6597.0" A="7.5758017E11" B="-2.3073432E8" C="17568.496" Error="0.00641"/>
<QuasiParabolic ID="6" StartDistance="6597.0" EndDistance="6655.0" A="3.94957396E12" B="-1.19844506E9" C="90913.25" Error="0.0334"/>
<QuasiParabolic ID="7" StartDistance="6655.0" EndDistance="6668.0" A="-9.6762593E12" B="2.89647104E9" C="-216743.84" Error="0.00466"/>
<QuasiParabolic ID="8" StartDistance="6668.0" EndDistance="6674.226" A="-2.0823243E13" B="6.2398976E9" C="-467450.72" Error="2.99E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="107.335" Depth="0.154"/>
<TopsideChapman PeakHeight="304.226" PeakDensity="143424.31" PeakScaleHeight="23.651" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
