<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-23 -082 07:05:00.000"
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" >
2026.03.23 (082) 07:05:00</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">
FF202608203230705001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.950" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.522" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.391" 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="3.325" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="250.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="250.000" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.725" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="278.583" 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="260.548" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="238.682" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.090" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="31.245" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.775" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.722" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="30.000" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.490" 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" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
250.000 250.833 251.667 252.500 255.000 256.250 257.500 258.750 260.000 261.250 262.500 267.500 270.000 272.500 275.000 278.583 282.624 287.214 292.476 298.566 305.699 314.167 324.383 336.950 352.788
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
51 0 0 81 78 0 69 0 0 0 66 66 66 66 66 0 66 51 54 45 39 0 0 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 7.8125 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="416">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.66667 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 175.33333 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 260.548 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0
</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 0.35298675 0.35220242 0.35119912 0.34998095 0.3485529 0.34684834 0.3448765 0.3427189 0.34031472 0.33767694 0.33475268 0.3315615 0.3281247 0.32440233 0.3203629 0.31604326 0.3114253 0.3064471 0.3011715 0.2954905 0.2894757 0.282966 0.27603868 0.26865014 0.2607728 0.25231564 0.24324727 0.23349129 0.22299255 0.211631 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 0.20314285 0.20785715 0.21257143 0.21728571 0.222 0.22671428 0.23142858 0.23614286 0.24085714 0.24557143 0.2502857 0.255 0.25971428 0.2644286 0.26914287 0.27385715 0.27857143 0.2832857 0.288 0.2927143 0.29742858 0.30214286 0.30685714 0.31157142 0.3162857 0.321 0.3257143 0.33042857 0.33514285 0.33985713 0.34457144 0.34928572 0.354 0.3817877 0.41171247 0.44362214 0.4773823 0.512876 0.550031 0.5888214 0.62923664 0.67131495 0.7150991 0.76067626 0.80813843 0.8575703 0.909086 0.9627902 1.0188032 1.0772231 1.1381477 1.2016383 1.2677194 1.3363984 1.4075917 1.481163 1.5569066 1.6344731 1.7134818 1.7934057 1.8736875 1.9537178 2.0328293 2.1104312 2.1859381 2.2588513 2.3287508 2.395316 2.4582868 2.5175 2.5728428 2.624269 2.6717548 2.7153156 2.754986 2.7908192 2.822871 2.8512003 2.875864 2.8969138 2.9144042 2.9283738 2.9388623 2.9458926 2.9494855 2.95 2.9497907 2.9478674 2.943997 2.938258 2.9307303 2.9214933 2.9106264 2.898209 2.884319 2.8690338 2.8524299 2.8345819 2.8155632 2.795446 2.7742996 2.7521932 2.7291925 2.7053618 2.680764 2.6554587 2.6295042 2.6029568 2.57587 2.548296 2.5202844 2.4918823 2.463136 2.4340882 2.404781 2.3752537 2.3455439 2.3156874 2.285718 2.255668 2.2255676 2.1954455 2.1653292 2.1352441 2.1052144 2.0752623 2.0454094 2.0156755 1.9860791 1.9566376 1.9273671 1.8982828 1.8693984 1.840727 1.8122804 1.7840697 1.7561048 1.7283952 1.7009491 1.6737741 1.6468773 1.6202649 1.5939423 1.5679145 1.5421859 1.5167603 1.4916409 1.4668306 1.4423317 1.4181458 1.3942746 1.3707192 1.3474802 1.3245579 1.3019526 1.2796638 1.257691 1.2360334 1.2146902 1.1936598 1.172941 1.1525319 1.1324308 1.1126356 1.0931443 1.0739545 1.0550636 1.0364692 1.0181687 1.0001593 0.9824381 0.9650022 0.9478485 0.93097407 0.9143758 0.8980504 0.8819947 0.8662055 0.8506795 0.83541334 0.8204037 0.80564725 0.7911406 0.77688044 0.7628634 0.749086 0.7355449 0.7222369 0.70915836 0.69630617 0.6836769 0.6712672 0.6590738 0.6470935 0.6353229 0.6237589 0.6123982 0.60123765 0.59027416 0.57950443 0.56892556 0.5585343 0.5483278 0.53830296 0.5284568 0.51878643 0.50928885 0.49996135 0.490801 0.48180503 0.47297066 0.46429518 0.45577592 0.4474102 0.4391954 0.43112895 0.42320833 0.41543102 0.4077945 0.40029642 0.39293432 0.38570586 0.37860867 0.3716405 0.3647991 0.35808223 0.35148767 0.34501332 0.338657 0.33241665 0.32629025 0.32027575 0.31437114 0.30857447 0.30288386 0.29729736 0.29181316 0.28642938 0.28114426 0.275956 0.27086288 0.26586318 0.2609552 0.25613737 0.25140795 0.2467654 0.24220815 0.23773465 0.23334338 0.22903286 0.22480161 0.2206482 0.21657123 0.21256928 0.20864101 0.20478506 0.20100014 0.19728492 0.19363816 0.1900586 0.18654501 0.18309619 0.17971094 0.17638811 0.17312658 0.1699252 0.16678287 0.16369851 0.16067107 0.15769951 0.15478277 0.15191989 0.14910986 0.1463517 0.14364447 0.14098723 0.13837907 0.13581908 0.13330637 0.1308401 0.12841937 0.12604336 0.12371127 0.121422276 0.119175576 0.1169704 0.114805974 0.11268157 0.11059642 0.10854982 0.10654106 0.104569435 0.10263426 0.100734875 0.098870605 0.09704081 0.09524485 0.0934821 0.091751955 0.09005381 0.08838707 0.08675116 0.08514551 0.083569564 0.082022764 0.08050458 0.07901449 0.07755195 0.07611648 0.07470756 0.07332471 0.071967445 0.0706353 0.069327794 0.06804448 0.06678492 0.06554866 0.06433528 0.063144356 0.061975464 0.060828205 0.059702177 0.058596987 0.057512254 0.05644759 0.055402633 0.054377016 0.05337038 0.052382372 0.051412653 0.050460882

</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="2.95" PeakHeight="260.548" Num="5" zHalfNm="238.682" Error="1.955">
-53.746 2.724 -2.438 1.214 -0.302
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6512.667" A="-1.42344143E11" B="4.3933376E7" C="-3389.796" Error="0.00162"/>
<QuasiParabolic ID="2" StartDistance="6512.667" EndDistance="6545.333" A="0.0" B="35.926826" C="0.034511082" Error="6.88E-4"/>
<QuasiParabolic ID="3" StartDistance="6545.333" EndDistance="6546.0" A="1.76656807E13" B="-5.397566E9" C="412292.66" Error="0.0835"/>
<QuasiParabolic ID="4" StartDistance="6546.0" EndDistance="6557.0" A="-2.16531337E11" B="6.5987888E7" C="-5027.3784" Error="0.0787"/>
<QuasiParabolic ID="5" StartDistance="6557.0" EndDistance="6577.0" A="1.48649116E11" B="-4.5398556E7" C="3466.3267" Error="0.0369"/>
<QuasiParabolic ID="6" StartDistance="6577.0" EndDistance="6589.0" A="5.1928561E12" B="-1.57929152E9" C="120076.71" Error="0.0426"/>
<QuasiParabolic ID="7" StartDistance="6589.0" EndDistance="6592.0" A="6.8624324E12" B="-2.08606835E9" C="158532.98" Error="9.85E-4"/>
<QuasiParabolic ID="8" StartDistance="6592.0" EndDistance="6612.0" A="1.28103544E13" B="-3.89065626E9" C="295410.12" Error="0.0252"/>
<QuasiParabolic ID="9" StartDistance="6612.0" EndDistance="6630.548" A="-1.86445537E13" B="5.6238351E9" C="-424076.53" Error="0.0107"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="98.0" Depth="0.154"/>
<TopsideChapman PeakHeight="260.548" PeakDensity="107971.46" PeakScaleHeight="16.722" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
