<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-27 -147 23:45:00.000"
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" >
2026.05.27 (147) 23:45:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202614705272345001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.225" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.290" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.611" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="307.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="307.500" 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="2.950" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="307.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="292.913" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="262.758" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.017" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="43.224" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.261" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.765" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="43.410" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.060" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="12">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
307.500 311.872 316.713 322.104 328.144 334.957 342.701 351.583 361.872 373.931 388.261 405.569
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 66 0 0 0 0 90 90 90 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="544">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.45467 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 180.90933 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 216.364 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 292.913 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0
</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 0.35057107 0.349358 0.34793586 0.3463106 0.34448886 0.3424076 0.3401477 0.3377184 0.3350622 0.3321275 0.3289985 0.32562867 0.32204017 0.3181966 0.3140701 0.3096978 0.30506456 0.300114 0.29478568 0.28918555 0.28330663 0.27692032 0.2701973 0.26303363 0.2554314 0.24728452 0.23864955 0.22932686 0.21933167 0.20864639 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 0.20039381 0.2047374 0.20908096 0.21342455 0.21776812 0.22211169 0.22645527 0.23079884 0.23514241 0.239486 0.24382956 0.24817315 0.25251672 0.2568603 0.26120386 0.26554745 0.26989102 0.2742346 0.27857816 0.28292173 0.2872653 0.2916089 0.29595247 0.30029604 0.3046396 0.30898318 0.31332678 0.31767035 0.3220139 0.32635748 0.33070105 0.33504465 0.33938822 0.3437318 0.34807536 0.35241893 0.354 0.36756954 0.38971335 0.41283473 0.4369181 0.4619492 0.48792553 0.5148375 0.5426841 0.5714622 0.6011716 0.6318145 0.6633954 0.69591576 0.72937876 0.7637937 0.79916584 0.83549637 0.87279594 0.9110566 0.9502925 0.99049455 1.0316567 1.0737927 1.1168753 1.1609125 1.2058802 1.251763 1.2985376 1.3461877 1.3946731 1.443967 1.494026 1.5447975 1.5962399 1.6483067 1.7009104 1.754015 1.8075137 1.8613595 1.9154485 1.9697101 2.0240314 2.0783293 2.1325083 2.1864526 2.240079 2.2932503 2.3458831 2.3978567 2.4490736 2.4994159 2.5487838 2.5970628 2.6441658 2.6899867 2.7344296 2.7774115 2.8188264 2.8586035 2.8966541 2.9329076 2.9672978 2.9997542 3.0302129 3.0586212 3.0849276 3.109084 3.131041 3.1507688 3.168228 3.183391 3.1962314 3.20673 3.2148647 3.2206264 3.2240033 3.225 3.2249954 3.2242892 3.222404 3.219374 3.215233 3.2100163 3.2037573 3.1964912 3.1882522 3.1790748 3.1689928 3.1580405 3.1462512 3.1336584 3.1202946 3.1061926 3.0913842 3.075901 3.0597737 3.0430331 3.0257087 3.0078294 2.9894247 2.9705217 2.951148 2.9313307 2.9110951 2.890467 2.8694706 2.8481305 2.8264697 2.8045108 2.782276 2.7597861 2.7370622 2.714124 2.6909912 2.667682 2.6442146 2.6206067 2.5968747 2.5730352 2.5491035 2.5250945 2.5010228 2.4769025 2.4527466 2.4285681 2.404379 2.3801913 2.3560162 2.3318644 2.3077462 2.2836716 2.2596498 2.2356896 2.2118 2.1879888 2.1642637 2.1406322 2.1171012 2.093677 2.0703664 2.047175 2.0241082 2.0011716 1.97837 1.955708 1.9331902 1.9108206 1.888603 1.866541 1.844638 1.8228971 1.8013211 1.7799128 1.7586745 1.7376086 1.716717 1.6960018 1.6754644 1.6551065 1.6349295 1.6149346 1.5951227 1.5754949 1.5560519 1.5367943 1.5177227 1.4988375 1.4801388 1.461627 1.4433022 1.4251642 1.407213 1.3894483 1.3718698 1.3544773 1.3372703 1.320248 1.3034102 1.286756 1.2702848 1.2539958 1.2378881 1.2219609 1.2062131 1.190644 1.1752524 1.1600373 1.1449976 1.1301322 1.1154398 1.1009192 1.0865694 1.072389 1.0583767 1.0445312 1.0308512 1.0173355 1.0039825 0.9907911 0.97775966 0.96488684 0.9521713 0.9396116 0.92720634 0.914954 0.9028532 0.8909024 0.87910026 0.8674453 0.855936 0.84457093 0.83334863 0.8222677 0.81132656 0.8005238 0.78985804 0.7793277 0.7689314 0.75866765 0.7485351 0.7385322 0.72865754 0.7189098 0.7092874 0.6997891 0.69041336 0.68115884 0.67202413 0.6630079 0.6541087 0.64532524 0.6366561 0.62810004 0.6196556 0.61132157 0.60309654 0.5949793 0.5869684 0.57906276 0.57126105 0.56356186 0.5559641 0.5484665 0.54106784 0.53376687 0.5265624 0.51945317 0.5124381 0.505516 0.4986857 0.491946 0.48529583 0.47873405 0.47225952 0.46587116 0.45956787 0.4533486 0.44721225 0.44115776 0.43518412 0.42929026 0.4234752 0.41773787 0.41207734 0.40649256 0.40098262 0.39554647 0.3901832 0.3848919 0.37967157 0.37452134 0.3694403 0.36442748 0.35948205 0.35460314 0.34978986 0.3450413 0.3403567 0.3357352 0.33117592 0.32667807 0.32224086 0.3178635 0.31354514 0.30928507 0.30508247 0.3009366 0.29684675 0.2928121 0.28883198 0.2849056 0.28103232 0.2772114 0.27344215 0.2697239 0.26605594 0.26243758 0.25886822 0.2553472 0.25187382 0.24844748 0.24506755 0.2417334 0.23844443 0.23520005 0.23199962 0.22884257 0.22572835 0.22265634 0.219626 0.21663675 0.21368806 0.21077938 0.20791017 0.20507988 0.20228803 0.19953406 0.19681749 0.1941378 0.1914945 0.18888709 0.1863151 0.18377805 0.18127546 0.17880687 0.17637183 0.17396986 0.17160055 0.16926344 0.1669581 0.16468409 0.16244099 0.16022839 0.15804587 0.15589303 0.15376946 0.15167478 0.14960858 0.14757049 0.14556012 0.1435771 0.14162105 0.1396916 0.13778843 0.13591114 0.13405938 0.13223283 0.13043115 0.12865397 0.12690099 0.12517186 0.12346626 0.12178388 0.1201244 0.118487515 0.116872914 0.115280285 0.113709345 0.112159796 0.11063134 0.10912369 0.10763658 0.106169716 0.10472282 0.10329563 0.10188788 0.1004993 0.09912963 0.09777861 0.096446 0.09513153 0.093834974 0.09255607 0.09129459 0.09005029 0.08882294 0.08761231 0.086418174 0.085240304 0.084078476 0.08293248 0.0818021 0.08068711 0.07958732 0.07850251 0.07743248 0.076377034 0.075335965 0.07430907 0.07329618 0.07229709 0.071311615 0.07033956 0.06938076 0.06843502 0.06750216 0.066582024 0.065674424 0.06477919 0.06389616 0.063025154 0.062166028 0.061318602 0.06048273 0.059658248 0.058845002 0.05804284 0.05725161 0.05647116 0.055701353 0.054942034 0.054193065 0.053454302 0.05272561 0.05200685 0.051297884 0.05059858

</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="3.225" PeakHeight="292.913" Num="5" zHalfNm="262.758" Error="1.135">
-76.541 -0.027 -0.225 0.349 -0.105
</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="6515.455" A="-1.20934883E11" B="3.732558E7" C="-2879.935" Error="0.00171"/>
<QuasiParabolic ID="2" StartDistance="6515.455" EndDistance="6550.909" A="0.0" B="-771.7569" C="0.1584823" Error="0.0168"/>
<QuasiParabolic ID="3" StartDistance="6550.909" EndDistance="6583.0" A="4.6171312E10" B="-1.4161933E7" C="1085.9749" Error="0.0168"/>
<QuasiParabolic ID="4" StartDistance="6583.0" EndDistance="6585.0" A="-3.07462111E11" B="9.3276448E7" C="-7074.3154" Error="1.9E-4"/>
<QuasiParabolic ID="5" StartDistance="6585.0" EndDistance="6587.0" A="5.1929615E12" B="-1.57731546E9" C="119773.97" Error="0.0141"/>
<QuasiParabolic ID="6" StartDistance="6587.0" EndDistance="6602.0" A="2.50641541E12" B="-7.6160384E8" C="57855.676" Error="0.0121"/>
<QuasiParabolic ID="7" StartDistance="6602.0" EndDistance="6638.0" A="5.8341584E12" B="-1.76970522E9" C="134203.86" Error="0.0168"/>
<QuasiParabolic ID="8" StartDistance="6638.0" EndDistance="6652.0" A="-7.3438729E12" B="2.20077722E9" C="-164868.34" Error="0.00335"/>
<QuasiParabolic ID="9" StartDistance="6652.0" EndDistance="6662.913" A="-1.47068939E13" B="4.4145536E9" C="-331267.66" Error="8.16E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="106.364" Depth="0.154"/>
<TopsideChapman PeakHeight="292.913" PeakDensity="129040.016" PeakScaleHeight="22.765" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
