<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-21 -141 00:50:00.000"
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" >
2026.05.21 (141) 00:50:00</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">
FF202614105210050001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.225" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.643" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.750" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.050" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.050" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.550" 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="3.050" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="272.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.050" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.050" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="265.460" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="247.526" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.653" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.717" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.760" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.561" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.890" 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="8">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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" >
272.500 278.750 286.155 294.897 305.372 318.154 334.099 354.546
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 0 90 93 87 84 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="379">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.606 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 183.212 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 219.818 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 265.46 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0
</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 0.35321164 0.35257575 0.35179353 0.3507929 0.34965166 0.34829983 0.346743 0.34505916 0.34311134 0.3410499 0.3387427 0.33627 0.33350867 0.3306077 0.3275147 0.3241214 0.3205153 0.3167198 0.31264487 0.30832717 0.30369893 0.29881272 0.29365015 0.2881171 0.2823086 0.27615958 0.2695774 0.26261288 0.25524488 0.24734119 0.23897326 0.22995308 0.22038798 0.21015418 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 0.2 0.2 0.20331508 0.20752205 0.211729 0.21593596 0.22014293 0.22434989 0.22855684 0.23276381 0.23697077 0.24117774 0.2453847 0.24959165 0.2537986 0.25800556 0.26221254 0.2664195 0.27062646 0.2748334 0.27904037 0.28324732 0.2874543 0.29166126 0.29586822 0.30007517 0.30428213 0.3084891 0.31269607 0.31690302 0.32110998 0.32531694 0.3295239 0.33373088 0.33793783 0.3421448 0.34635174 0.3505587 0.354 0.36027002 0.39673156 0.43648896 0.47932547 0.52506506 0.5735445 0.62463284 0.6782583 0.7343821 0.7929935 0.85409427 0.9176937 0.98382944 1.0525153 1.1237535 1.1975453 1.2738347 1.3526125 1.4337524 1.5171294 1.6025803 1.6898705 1.7787186 1.8688133 1.9597623 2.0511184 2.1424158 2.2331378 2.3227346 2.4106812 2.4963925 2.5793526 2.6590142 2.7348752 2.8064914 2.8734415 2.9353354 2.9918575 3.0427222 3.0876741 3.126515 3.159077 3.1852264 3.2048583 3.2178967 3.2242942 3.225 3.2245047 3.2210352 3.2143877 3.2047238 3.1922076 3.1770015 3.159267 3.1391635 3.1168482 3.092475 3.0661929 3.0381482 3.0084817 2.9773302 2.9448247 2.9110916 2.8762517 2.8404205 2.8037083 2.76622 2.7280552 2.6893084 2.6500685 2.6104195 2.5704412 2.5302074 2.4897883 2.449249 2.4086506 2.36805 2.3275 2.28705 2.2467449 2.206627 2.1667345 2.1271036 2.0877662 2.0487523 2.010089 1.9718008 1.9339098 1.8964359 1.8593969 1.8228089 1.7866855 1.7510391 1.7158806 1.6812189 1.6470618 1.6134156 1.5802855 1.5476758 1.5155892 1.4840279 1.4529929 1.4224846 1.3925025 1.3630455 1.3341116 1.3056985 1.2778033 1.2504224 1.223552 1.1971879 1.1713252 1.1459591 1.1210842 1.0966951 1.0727859 1.0493505 1.0263828 1.0038766 0.9818253 0.96022236 0.93906105 0.9183347 0.8980365 0.8781595 0.85869694 0.83964175 0.82098716 0.80272615 0.78485185 0.76735747 0.75023603 0.7334808 0.71708494 0.7010419 0.68534476 0.66998714 0.6549625 0.6402642 0.625886 0.6118216 0.59806466 0.58460915 0.5714489 0.558578 0.54599047 0.5336806 0.5216426 0.5098709 0.49835992 0.48710424 0.47609848 0.4653374 0.45481583 0.44452867 0.43447092 0.42463773 0.41502425 0.40562576 0.39643764 0.38745537 0.37867445 0.3700905 0.3616993 0.3534966 0.34547833 0.33764037 0.32997882 0.32248983 0.31516954 0.30801424 0.30102035 0.29418424 0.28750244 0.28097156 0.27458817 0.26834908 0.26225102 0.25629088 0.25046557 0.24477209 0.23920749 0.23376888 0.22845347 0.22325848 0.21818121 0.21321902 0.20836933 0.20362963 0.19899741 0.19447029 0.19004588 0.18572189 0.18149604 0.17736612 0.17332996 0.16938548 0.16553058 0.16176324 0.15808147 0.15448338 0.15096703 0.1475306 0.14417228 0.14089029 0.13768291 0.13454846 0.13148527 0.12849173 0.12556627 0.122707345 0.119913444 0.1171831 0.11451486 0.11190732 0.1093591 0.106868856 0.10443528 0.10205708 0.09973299 0.09746179 0.09524228 0.09307328 0.09095365 0.08888226 0.08685802 0.08487986 0.082946725 0.0810576 0.07921148 0.07740738 0.07564437 0.07392148 0.07223783 0.0705925 0.06898464 0.06741339 0.065877914 0.064377405 0.062911056 0.061478104 0.060077783 0.058709346 0.057372075 0.056065254 0.054788195 0.05354022 0.052320663 0.051128883

</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="265.46" Num="5" zHalfNm="247.526" Error="0.891">
-45.636 0.001 -0.175 0.291 -0.123
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="7" 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="6516.606" A="-1.13481023E11" B="3.5025008E7" C="-2702.4216" Error="0.00174"/>
<QuasiParabolic ID="2" StartDistance="6516.606" EndDistance="6553.212" A="0.0" B="-2056.2402" C="0.35557693" Error="0.045"/>
<QuasiParabolic ID="3" StartDistance="6553.212" EndDistance="6589.0" A="6.1810217E10" B="-1.891519E7" C="1447.14" Error="0.045"/>
<QuasiParabolic ID="4" StartDistance="6589.0" EndDistance="6602.0" A="9.0076013E12" B="-2.73428685E9" C="207500.53" Error="0.055"/>
<QuasiParabolic ID="5" StartDistance="6602.0" EndDistance="6623.0" A="1.62996295E13" B="-4.9433226E9" C="374801.03" Error="0.0379"/>
<QuasiParabolic ID="6" StartDistance="6623.0" EndDistance="6635.46" A="-3.7375653E13" B="1.12654295E10" C="-848870.44" Error="0.0111"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="109.818" Depth="0.154"/>
<TopsideChapman PeakHeight="265.46" PeakDensity="129040.016" PeakScaleHeight="13.561" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
