<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-27 -147 21:20:00.000"
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="20.0">
<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) 21:20:00</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">
FF202614705272120001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.765" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.602" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.050" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="207.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="207.500" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.450" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="260.847" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.579" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="231.066" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="204.915" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.307" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="37.299" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.320" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.584" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.890" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.990" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="68">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 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 4.625 4.65 4.675
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
207.500 207.500 207.500 210.000 210.000 210.000 210.000 210.000 212.500 212.500 212.500 212.500 213.333 214.167 215.000 215.000 215.000 215.000 217.500 217.500 217.500 217.500 217.500 220.000 220.000 220.000 220.000 220.000 222.500 222.500 222.500 225.000 225.000 225.000 225.000 227.500 230.000 230.000 227.500 230.000 232.500 232.500 235.000 235.000 235.000 237.500 240.000 241.250 242.500 245.000 247.500 248.561 249.739 251.054 252.530 254.200 256.104 258.296 260.847 263.850 267.440 271.806 277.232 284.156 293.296 305.923 324.498 354.521
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 69 69 69 69 75 75 84 81 72 69 66 0 0 66 72 72 84 81 72 75 75 72 60 57 54 54 81 81 66 60 45 48 63 66 93 87 78 84 69 72 81 78 78 72 72 69 0 72 0 63 63 60 69 66 66 69 45 42 69 66 36 33 60 57 0 0 66
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="476">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.192 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 132.75 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 155.5 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 178.25 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 231.066 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.2501046 0.30390343 0.34741616 0.38347393 0.41410843 0.44056717 0.46365055 0.48388106 0.5016346 0.5171771 0.5307122 0.54238623 0.5523174 0.5605938 0.56728154 0.57243556 0.5760904 0.578274 0.579 0.57862866 0.5775735 0.57578486 0.57327753 0.5700172 0.5659795 0.5612049 0.5556889 0.5493364 0.54220253 0.5341623 0.5252491 0.5153478 0.5044515 0.49250042 0.47942847 0.46508637 0.44934264 0.4320456 0.41296187 0.39182335 0.36818305 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.345 0.35014287 0.36042857 0.37071428 0.381 0.39128572 0.40157142 0.41185713 0.42214286 0.43242857 0.44271427 0.453 0.4632857 0.47357142 0.48385715 0.49414286 0.50442857 0.5147143 0.525 0.5352857 0.54557145 0.5558571 0.56614286 0.5764286 0.579 0.6087578 0.65417546 0.70608 0.76369613 0.825795 0.8911588 0.9589419 1.0287144 1.1003898 1.1741337 1.2502424 1.3291514 1.4113733 1.497538 1.5883974 1.6848184 1.7878089 1.8985633 2.0184352 2.14888 2.2913058 2.446579 2.6143157 2.7917519 2.9732776 3.1514058 3.3194206 3.4732306 3.6114957 3.7348268 3.844573 3.9423702 4.0297456 4.108 4.178304 4.2415886 4.298635 4.3500915 4.3964953 4.4383035 4.475887 4.5095687 4.539613 4.5662413 4.5896473 4.6099854 4.62739 4.6419716 4.653817 4.6629953 4.669563 4.6735544 4.6749945 4.675 4.674069 4.671049 4.6660023 4.658996 4.6500974 4.6393743 4.6268945 4.612725 4.596933 4.5795846 4.560747 4.540485 4.5188622 4.495943 4.4717894 4.446463 4.420024 4.3925304 4.3640413 4.334612 4.3042974 4.273152 4.2412267 4.2085733 4.1752405 4.141276 4.1067266 4.0716367 4.0360494 4.0000076 3.963551 3.926719 3.8895493 3.852078 3.81434 3.7763693 3.7381976 3.6998558 3.6613739 3.62278 3.5841017 3.5453644 3.5065935 3.4678123 3.4290435 3.3903086 3.3516285 3.3130221 3.2745085 3.2361047 3.1978278 3.1596932 3.121716 3.0839105 3.0462897 3.008866 2.9716516 2.934657 2.8978932 2.8613694 2.825095 2.7890782 2.7533271 2.7178488 2.6826503 2.6477375 2.6131165 2.5787923 2.5447698 2.5110536 2.4776473 2.4445548 2.4117792 2.379323 2.347189 2.3153794 2.283896 2.25274 2.221913 2.191416 2.1612494 2.1314142 2.10191 2.0727375 2.043896 2.0153854 1.9872051 1.9593544 1.9318323 1.9046378 1.8777697 1.8512267 1.8250072 1.7991097 1.7735326 1.748274 1.7233319 1.6987044 1.6743894 1.6503847 1.626688 1.6032971 1.5802096 1.557423 1.5349349 1.5127425 1.4908435 1.4692353 1.447915 1.42688 1.4061276 1.385655 1.3654594 1.3455381 1.3258882 1.3065069 1.2873913 1.2685386 1.249946 1.2316105 1.2135293 1.1956996 1.1781183 1.1607829 1.1436902 1.1268376 1.1102221 1.093841 1.0776912 1.0617702 1.0460751 1.030603 1.0153513 1.0003171 0.9854978 0.9708905 0.9564927 0.9423016 0.9283145 0.91452885 0.90094197 0.8875513 0.87435424 0.8613482 0.8485307 0.83589923 0.8234512 0.8111843 0.799096 0.7871839 0.7754456 0.7638787 0.7524809 0.7412499 0.7301834 0.7192791 0.7085348 0.6979482 0.68751717 0.67723954 0.6671132 0.6571359 0.6473057 0.63762045 0.6280781 0.61867666 0.60941416 0.60028857 0.5912979 0.5824404 0.573714 0.56511694 0.5566473 0.54830325 0.540083 0.5319848 0.5240069 0.5161475 0.5084049 0.5007775 0.4932635 0.4858614 0.47856945 0.4713861 0.46430978 0.4573389 0.45047197 0.44370744 0.43704382 0.43047962 0.4240134 0.41764373 0.4113692 0.40518838 0.39909995 0.3931025 0.3871947 0.38137525 0.37564284 0.3699962 0.36443403 0.35895512 0.3535582 0.34824213 0.34300566 0.3378476 0.3327668 0.32776216 0.3228325 0.3179767 0.31319374 0.30848247 0.30384183 0.2992708 0.29476833 0.29033342 0.28596503 0.2816622 0.27742392 0.27324927 0.2691373 0.265087 0.26109758 0.25716802 0.25329748 0.24948508 0.24572992 0.24203119 0.23838802 0.23479958 0.23126505 0.22778365 0.22435455 0.220977 0.2176502 0.21437342 0.2111459 0.2079669 0.20483567 0.20175155 0.19871378 0.1957217 0.19277461 0.18987185 0.18701275 0.18419664 0.18142289 0.17869087 0.17599994 0.1733495 0.17073892 0.16816764 0.16563502 0.16314052 0.16068356 0.15826356 0.15587997 0.15353227 0.15121989 0.14894232 0.14669901 0.14448948 0.1423132 0.14016968 0.13805842 0.13597894 0.13393076 0.13191342 0.12992644 0.12796938 0.12604178 0.124143206 0.12227321 0.12043137 0.11861726 0.11683046 0.11507057 0.113337174 0.11162988 0.10994829 0.10829203 0.1066607 0.10505395 0.10347138 0.10191265 0.10037739 0.09886525 0.097375885 0.09590895 0.0944641 0.09304102 0.09163937 0.09025882 0.088899076 0.087559804 0.0862407 0.08494147 0.08366181 0.08240142 0.08116001 0.0799373 0.07873301 0.07754686 0.07637858 0.07522789 0.07409453 0.07297824 0.071878776 0.07079587 0.069729276 0.068678744 0.06764404 0.06662492 0.06562115 0.064632505 0.06365875 0.06269967 0.06175503 0.060824625 0.059908234 0.059005648 0.05811666 0.057241064 0.056378655 0.05552924 0.054692622 0.053868607 0.053057007 0.05225763 0.0514703 0.05069483

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.579" PeakHeight="110.0" Num="3" Error="0.0">
-23.422 5.157 -0.543
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.579" EndFrequency="4.675" PeakHeight="231.066" Num="5" zHalfNm="204.915" Error="1.263">
-60.49 13.417 -8.619 3.994 -1.118
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.036" EndDistance="6480.001" A="-1.47391316E12" B="4.54911456E8" C="-35100.855" Error="0.00536"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6502.75" A="-7.4015585E11" B="2.28443168E8" C="-17626.451" Error="0.00395"/>
<QuasiParabolic ID="2" StartDistance="6502.75" EndDistance="6525.5" A="0.0" B="-2600.0947" C="0.5193408" Error="0.0157"/>
<QuasiParabolic ID="3" StartDistance="6525.5" EndDistance="6547.0" A="2.46719922E11" B="-7.5886016E7" C="5835.296" Error="0.0157"/>
<QuasiParabolic ID="4" StartDistance="6547.0" EndDistance="6562.0" A="1.43390702E13" B="-4.3808655E9" C="334610.25" Error="0.0189"/>
<QuasiParabolic ID="5" StartDistance="6562.0" EndDistance="6565.0" A="3.9697292E13" B="-1.21096745E10" C="923516.8" Error="0.00592"/>
<QuasiParabolic ID="6" StartDistance="6565.0" EndDistance="6574.0" A="7.8294796E13" B="-2.3868244E10" C="1819066.6" Error="0.0169"/>
<QuasiParabolic ID="7" StartDistance="6574.0" EndDistance="6586.0" A="-5.7924861E13" B="1.75736955E10" C="-1332891.1" Error="0.00547"/>
<QuasiParabolic ID="8" StartDistance="6586.0" EndDistance="6601.066" A="-2.3957185E13" B="7.2585805E9" C="-549781.8" Error="0.00292"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="68.25" Depth="0.234"/>
<TopsideChapman PeakHeight="231.066" PeakDensity="271161.6" PeakScaleHeight="20.584" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
