<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-17 -076 06:40:00.000"
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" >
2026.03.17 (076) 06:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202607603170640001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.600" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.399" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.636" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="4.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="4.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.025" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="272.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="272.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.225" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="292.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="4.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="4.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="282.912" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="257.818" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.308" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="36.155" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.122" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.035" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="35.440" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.210" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="25">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
272.500 273.750 275.000 277.500 280.000 282.500 285.000 290.000 292.500 292.500 297.500 300.000 302.500 305.757 309.392 313.474 318.092 323.358 329.419 336.469 344.774 354.699 366.771 381.770 400.909
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 0 87 90 93 69 72 93 96 99 99 84 75 90 93 84 81 54 54 60 63 63 60 87 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="500">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.07266 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 180.14534 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 215.218 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 282.912 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0
</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 0.3524263 0.35157037 0.35049725 0.34928474 0.34779045 0.3460946 0.34427556 0.3421269 0.3398715 0.33737865 0.33459488 0.3316703 0.32842356 0.32500604 0.32131323 0.3173741 0.3131617 0.30865845 0.30390996 0.29881084 0.2933589 0.28766072 0.28153986 0.2749705 0.26805183 0.26070836 0.252853 0.24441409 0.23543584 0.22581556 0.21550447 0.20439091 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 0.20375274 0.20814362 0.2125345 0.2169254 0.22131628 0.22570716 0.23009804 0.23448893 0.23887981 0.2432707 0.24766158 0.25205246 0.25644335 0.26083422 0.2652251 0.269616 0.27400687 0.27839777 0.28278863 0.28717953 0.29157043 0.2959613 0.3003522 0.30474308 0.30913395 0.31352484 0.3179157 0.3223066 0.3266975 0.33108836 0.33547926 0.33987013 0.34426102 0.34865192 0.35304278 0.354 0.3748458 0.40325323 0.43357486 0.4657794 0.49982065 0.53565407 0.5732751 0.61265236 0.65379685 0.6967146 0.74143624 0.78799325 0.83643144 0.88680255 0.9391554 0.9935491 1.0500581 1.1087421 1.1696725 1.2329024 1.298499 1.366533 1.4370505 1.5100842 1.585663 1.6638203 1.744532 1.8277744 1.9135181 2.001652 2.0920882 2.184677 2.2792282 2.3755493 2.4733543 2.5723755 2.672309 2.7727878 2.8734384 2.9739192 3.0738125 3.1727388 3.2703273 3.3661938 3.459987 3.5513988 3.640121 3.725862 3.808386 3.8874798 3.9629438 4.034624 4.1023717 4.166071 4.225622 4.280943 4.331964 4.378638 4.420913 4.458755 4.492152 4.5210695 4.545494 4.5654182 4.580835 4.591737 4.5981197 4.6 4.5999904 4.59855 4.5947194 4.5885816 4.58022 4.5697193 4.5571637 4.542637 4.526222 4.508003 4.4880624 4.46648 4.4433365 4.418711 4.3926816 4.3653226 4.3367095 4.306915 4.276009 4.244062 4.21114 4.177309 4.142632 4.107171 4.070985 4.034131 3.9966657 3.9586418 3.9201114 3.881124 3.8417273 3.8019671 3.7618878 3.7215314 3.6809382 3.640147 3.5991948 3.5581164 3.516946 3.4757156 3.4344554 3.3931944 3.3519602 3.3107789 3.2696753 3.2286725 3.187793 3.1470575 3.1064856 3.066096 3.025906 2.985932 2.9461894 2.9066923 2.8674543 2.8284876 2.789804 2.7514143 2.7133286 2.6755557 2.6381044 2.6009822 2.5641966 2.5277536 2.4916594 2.455919 2.4205375 2.3855188 2.3508666 2.3165843 2.2826746 2.2491398 2.215982 2.1832025 2.1508029 2.1187837 2.0871456 2.0558887 2.0250132 1.9945184 1.964404 1.9346691 1.9053127 1.8763334 1.8477297 1.8195001 1.7916425 1.7641554 1.7370362 1.7102828 1.6838926 1.6578634 1.6321923 1.6068765 1.5819132 1.5572996 1.5330325 1.5091089 1.4855255 1.4622792 1.4393667 1.4167848 1.3945298 1.3725985 1.3509874 1.3296932 1.3087121 1.2880409 1.2676758 1.2476133 1.22785 1.2083821 1.1892062 1.1703187 1.1517161 1.1333947 1.1153511 1.0975816 1.0800828 1.0628511 1.0458829 1.0291749 1.0127237 0.9965256 0.9805773 0.9648754 0.94941646 0.93419725 0.91921437 0.9044645 0.8899444 0.87565076 0.86158043 0.8477302 0.834097 0.8206776 0.80746895 0.7944679 0.7816716 0.76907694 0.75668097 0.7444807 0.7324734 0.72065604 0.7090258 0.69758004 0.68631583 0.6752305 0.6643214 0.6535858 0.6430211 0.6326247 0.622394 0.61232656 0.60241985 0.59267133 0.5830787 0.57363945 0.56435126 0.5552118 0.54621875 0.5373699 0.5286629 0.52009565 0.51166594 0.5033716 0.49521053 0.48718065 0.4792799 0.4715063 0.46385777 0.45633242 0.44892824 0.4416434 0.43447593 0.42742404 0.42048588 0.4136597 0.40694362 0.400336 0.39383507 0.38743913 0.38114652 0.3749556 0.36886474 0.3628724 0.35697693 0.35117683 0.34547058 0.33985665 0.3343336 0.32889995 0.3235543 0.3182952 0.3131213 0.3080312 0.30302358 0.2980971 0.2932505 0.28848246 0.2837917 0.279177 0.27463716 0.27017096 0.26577717 0.2614547 0.25720236 0.253019 0.24890354 0.2448549 0.24087195 0.23695368 0.23309901 0.22930694 0.22557645 0.22190654 0.21829623 0.21474457 0.2112506 0.2078134 0.20443203 0.2011056 0.19783323 0.19461402 0.19144714 0.18833174 0.18526696 0.18225199 0.17928603 0.1763683 0.17349799 0.17067435 0.16789661 0.16516404 0.16247591 0.15983148 0.15723006 0.15467094 0.15215343 0.14967689 0.14724061 0.14484395 0.14248629 0.14016697 0.13788538 0.1356409 0.13343294 0.13126089 0.12912418 0.12702224 0.124954484 0.12292037 0.12091936 0.11895091 0.11701448 0.11510957 0.11323565 0.11139222 0.109578796 0.10779487 0.106039986 0.10431366 0.10261542 0.100944825 0.09930141 0.09768475 0.09609439 0.09452993 0.09299092 0.09147696 0.08998764 0.08852257 0.087081335 0.085663565 0.08426887 0.08289687 0.081547216 0.08021952 0.07891344 0.07762863 0.07636472 0.07512139 0.07389829 0.07269511 0.07151152 0.07034719 0.06920182 0.06807509 0.066966705 0.06587636 0.064803764 0.063748635 0.06271068 0.061689626 0.06068519 0.05969711 0.058725115 0.057768945 0.05682834 0.05590305 0.05499282 0.054097414 0.053216584 0.052350096 0.051497713 0.05065921

</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="4.6" PeakHeight="282.912" Num="5" zHalfNm="257.818" Error="1.756">
-68.116 1.291 -1.573 0.982 -0.278
</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="6515.073" A="-1.23571708E11" B="3.8139416E7" C="-2942.731" Error="0.00171"/>
<QuasiParabolic ID="2" StartDistance="6515.073" EndDistance="6550.145" A="0.0" B="36.857994" C="0.03437295" Error="7.57E-4"/>
<QuasiParabolic ID="3" StartDistance="6550.145" EndDistance="6551.0" A="1.13031428E13" B="-3.45098522E9" C="263406.88" Error="0.0824"/>
<QuasiParabolic ID="4" StartDistance="6551.0" EndDistance="6560.0" A="-2.94900498E11" B="8.9861256E7" C="-6845.5044" Error="0.0774"/>
<QuasiParabolic ID="5" StartDistance="6560.0" EndDistance="6585.0" A="1.35473357E11" B="-4.1350288E7" C="3155.376" Error="0.0692"/>
<QuasiParabolic ID="6" StartDistance="6585.0" EndDistance="6603.0" A="5.9131948E12" B="-1.79616307E9" C="136398.56" Error="0.08"/>
<QuasiParabolic ID="7" StartDistance="6603.0" EndDistance="6634.0" A="1.89353721E13" B="-5.7404846E9" C="435075.03" Error="0.0346"/>
<QuasiParabolic ID="8" StartDistance="6634.0" EndDistance="6652.912" A="-3.7224029E13" B="1.11902966E10" C="-840986.25" Error="0.0123"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="105.218" Depth="0.154"/>
<TopsideChapman PeakHeight="282.912" PeakDensity="262531.03" PeakScaleHeight="19.035" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
