<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-20 -079 04:30:00.000"
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" >
2026.03.20 (079) 04:30:00</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">
FF202607903200430001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.625" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.367" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.206" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.675" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.675" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.950" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="252.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="252.500" 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="0.250" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.425" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="312.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.675" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.675" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="276.744" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="248.434" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.930" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="40.466" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.496" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="21.802" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="36.980" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.970" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="39">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
252.500 255.000 257.500 257.500 258.750 260.000 262.500 262.500 265.000 265.833 266.667 267.500 270.000 272.500 273.750 275.000 277.500 278.750 280.000 282.500 285.000 287.500 288.750 290.000 293.750 297.500 300.000 302.500 307.500 310.000 312.500 322.500 327.500 332.500 335.000 342.931 352.262 363.401 376.929
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 0 63 63 0 51 51 57 75 0 0 63 93 90 0 93 78 0 84 0 0 93 0 93 0 90 90 93 90 90 90 81 69 66 63 69 75 75 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="522">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.25 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 176.5 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 209.75 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 276.744 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0
</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 0.35354906 0.35306174 0.352277 0.35134757 0.35012823 0.34869877 0.34706512 0.34523398 0.343142 0.34080055 0.3382224 0.33542153 0.33234677 0.3290187 0.32545936 0.32156938 0.31744388 0.31299958 0.30822688 0.30312735 0.29771414 0.29194102 0.28570086 0.27913103 0.27213752 0.26456448 0.256557 0.2479685 0.23874018 0.22879031 0.21807829 0.20660281 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 0.20231579 0.20694737 0.21157895 0.21621053 0.22084211 0.22547369 0.23010527 0.23473684 0.23936842 0.244 0.24863158 0.25326315 0.25789472 0.2625263 0.26715788 0.27178946 0.27642104 0.28105262 0.2856842 0.29031578 0.29494736 0.29957893 0.3042105 0.3088421 0.31347367 0.31810525 0.32273683 0.3273684 0.332 0.33663157 0.34126315 0.34589472 0.3505263 0.354 0.35919702 0.3815094 0.40634188 0.43368545 0.4634263 0.49536836 0.529274 0.56489664 0.60204124 0.64055705 0.6803695 0.72141445 0.7636927 0.8072436 0.8521202 0.8983976 0.94617015 0.9955378 1.0466136 1.0995399 1.1544336 1.2114516 1.2707168 1.3323796 1.3965726 1.4634057 1.5330005 1.6053822 1.680591 1.7585471 1.8391165 1.9220668 2.0070367 2.0935564 2.181046 2.2688475 2.3562868 2.4426377 2.527252 2.6095462 2.6890335 2.7653408 2.8382077 2.9074793 2.9730499 3.0349064 3.093082 3.1476407 3.198679 3.2462838 3.290572 3.3316612 3.3696535 3.4046655 3.436793 3.4661314 3.4927678 3.5167825 3.538249 3.5572312 3.5737846 3.5879607 3.5997999 3.6093361 3.6166003 3.6216102 3.6243834 3.625 3.6249514 3.6238394 3.6212919 3.6173525 3.6120653 3.605474 3.5976229 3.5885563 3.5783179 3.5669518 3.5545013 3.54101 3.5265198 3.5110736 3.4947128 3.4774785 3.4594111 3.4405503 3.420935 3.4006033 3.379593 3.3579402 3.3356807 3.3128495 3.2894804 3.2656066 3.2412605 3.2164729 3.1912746 3.165695 3.1397626 3.1135051 3.0869493 3.0601213 3.033046 3.0057476 2.9782493 2.950574 2.9227428 2.8947768 2.8666961 2.83852 2.8102667 2.7819543 2.7536 2.7252192 2.6968284 2.668442 2.6400747 2.6117396 2.58345 2.5552185 2.5270562 2.498975 2.470985 2.4430966 2.4153194 2.3876624 2.3601341 2.332743 2.3054962 2.2784014 2.251465 2.2246938 2.1980937 2.17167 2.1454282 2.119373 2.0935092 2.067841 2.0423725 2.0171068 1.9920474 1.9671975 1.94256 1.9181372 1.8939314 1.8699448 1.8461791 1.822636 1.7993169 1.776223 1.7533554 1.7307149 1.7083021 1.6861178 1.6641622 1.6424356 1.620938 1.5996693 1.5786296 1.5578184 1.5372354 1.5168802 1.4967519 1.47685 1.4571738 1.4377223 1.4184946 1.3994896 1.3807064 1.3621435 1.3438001 1.3256744 1.3077655 1.2900718 1.272592 1.2553244 1.2382675 1.22142 1.2047801 1.1883461 1.1721165 1.1560895 1.1402636 1.1246367 1.1092072 1.0939733 1.0789334 1.0640854 1.0494276 1.0349582 1.0206754 1.0065773 0.9926619 0.9789275 0.9653722 0.9519941 0.9387914 0.9257621 0.91290444 0.9002165 0.88769644 0.8753424 0.86315256 0.85112494 0.83925784 0.82754934 0.8159976 0.80460083 0.79335725 0.782265 0.7713223 0.76052743 0.7498785 0.73937386 0.7290117 0.7187903 0.708708 0.69876295 0.6889535 0.6792781 0.6697349 0.66032237 0.65103877 0.64188254 0.6328521 0.6239457 0.61516196 0.60649914 0.59795576 0.5895303 0.5812212 0.57302696 0.5649461 0.55697715 0.5491186 0.541369 0.53372705 0.5261912 0.51876 0.5114323 0.5042065 0.4970813 0.4900554 0.48312747 0.47629622 0.4695603 0.46291846 0.45636946 0.449912 0.4435449 0.4372669 0.43107677 0.4249734 0.41895553 0.41302207 0.40717185 0.4014037 0.39571652 0.39010924 0.38458073 0.37912992 0.37375572 0.36845714 0.3632331 0.35808256 0.35300454 0.34799805 0.34306207 0.33819565 0.3333978 0.3286676 0.3240041 0.31940642 0.3148736 0.31040475 0.30599898 0.3016554 0.29737318 0.29315147 0.28898937 0.28488612 0.28084084 0.27685276 0.2729211 0.269045 0.26522374 0.26145655 0.25774267 0.25408134 0.25047183 0.24691343 0.24340542 0.23994707 0.2365377 0.23317663 0.22986317 0.22659665 0.22337644 0.22020185 0.21707226 0.21398702 0.21094553 0.20794716 0.20499133 0.20207739 0.19920479 0.19637293 0.19358124 0.19082916 0.18811612 0.18544158 0.18280499 0.18020582 0.17764354 0.17511763 0.17262757 0.17017286 0.167753 0.1653675 0.16301587 0.16069762 0.15841231 0.15615945 0.15393858 0.15174925 0.14959103 0.14746346 0.1453661 0.14329855 0.14126037 0.13925116 0.13727048 0.13531795 0.13339317 0.13149573 0.12962526 0.12778138 0.1259637 0.124171846 0.12240546 0.120664194 0.11894767 0.11725554 0.11558747 0.113943115 0.11232213 0.11072419 0.10914897 0.107596144 0.10606539 0.10455641 0.10306888 0.1016025 0.10015698 0.098732 0.09732729 0.09594256 0.09457751 0.09323188 0.091905385 0.090597756 0.08930872 0.08803802 0.08678538 0.08555057 0.08433332 0.08313338 0.08195051 0.080784455 0.079634994 0.07850188 0.07738489 0.076283775 0.07519833 0.07412833 0.07307354 0.07203376 0.07100877 0.06999837 0.06900233 0.06802046 0.067052566 0.06609844 0.06515788 0.06423071 0.063316725 0.062415745 0.061527584 0.060652055 0.059788983 0.05893819 0.058099505 0.057272747 0.056457754 0.055654358 0.05486239 0.05408169 0.0533121 0.052553456 0.051805608 0.051068403 0.050341684

</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="3.625" PeakHeight="276.744" Num="5" zHalfNm="248.434" Error="2.371">
-70.979 7.39 -5.175 2.623 -0.853
</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="6513.25" A="-1.37420415E11" B="4.2413708E7" C="-3272.5374" Error="0.00164"/>
<QuasiParabolic ID="2" StartDistance="6513.25" EndDistance="6546.5" A="0.0" B="596.9914" C="-0.051630203" Error="0.0109"/>
<QuasiParabolic ID="3" StartDistance="6546.5" EndDistance="6579.0" A="3.41010227E10" B="-1.0502759E7" C="808.67206" Error="0.0109"/>
<QuasiParabolic ID="4" StartDistance="6579.0" EndDistance="6580.0" A="8.6245801E12" B="-2.62198758E9" C="199279.92" Error="2.37E-10"/>
<QuasiParabolic ID="5" StartDistance="6580.0" EndDistance="6591.0" A="3.92240903E12" B="-1.19275622E9" C="90675.72" Error="0.0123"/>
<QuasiParabolic ID="6" StartDistance="6591.0" EndDistance="6602.0" A="7.3181561E12" B="-2.22317542E9" C="168844.39" Error="0.0177"/>
<QuasiParabolic ID="7" StartDistance="6602.0" EndDistance="6619.0" A="1.79802661E13" B="-5.4531395E9" C="413464.5" Error="0.0154"/>
<QuasiParabolic ID="8" StartDistance="6619.0" EndDistance="6646.744" A="-1.60270542E13" B="4.822528E9" C="-362760.56" Error="0.00628"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="99.75" Depth="0.154"/>
<TopsideChapman PeakHeight="276.744" PeakDensity="163035.05" PeakScaleHeight="21.802" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
