<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-09 -129 21:35:00.000"
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" >
2026.05.09 (129) 21:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" 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">
FF202612905092135001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.025" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.974" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.997" 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="4.550" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="197.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="197.500" 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="0.175" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.800" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="233.507" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.512" 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="213.424" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="193.124" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.955" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.959" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.345" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.978" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="21.920" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="5.120" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="44">
<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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
197.500 197.500 197.500 197.500 197.500 197.500 200.000 200.000 200.000 200.000 200.000 202.500 202.500 202.500 202.500 205.000 207.500 207.500 207.500 207.500 210.000 210.000 210.000 212.500 212.500 215.000 217.500 217.500 220.000 222.500 225.000 225.000 227.461 230.270 233.507 237.279 241.728 247.056 253.552 261.648 272.016 285.770 304.892 333.286
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
51 54 57 57 57 78 78 81 81 81 81 84 84 84 78 102 93 87 93 81 78 72 72 72 72 72 66 57 54 75 75 51 48 45 45 33 33 60 60 87 84 54 48 0
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="377">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.566 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 130.41667 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 150.83333 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 171.25 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 213.424 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.2222898 0.2686224 0.30688038 0.33879262 0.36596197 0.38943556 0.40990287 0.42783716 0.44356632 0.4573291 0.46930838 0.47963732 0.48841932 0.49573505 0.50164676 0.5062003 0.50943005 0.51135844 0.512 0.51163965 0.5107208 0.5090125 0.50669324 0.50371003 0.50002253 0.49560586 0.4905247 0.48464417 0.47800544 0.4706101 0.46231836 0.45319188 0.44304764 0.43195567 0.41978046 0.40635666 0.39159653 0.37537557 0.35733014 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.348 0.34933877 0.35737142 0.36540407 0.37343675 0.3814694 0.38950205 0.3975347 0.40556735 0.4136 0.42163265 0.4296653 0.43769795 0.44573063 0.45376328 0.46179593 0.46982858 0.47786123 0.48589388 0.49392653 0.5019592 0.5099918 0.512 0.55260515 0.610504 0.6711496 0.7335968 0.7975681 0.8632016 0.93088967 1.0011181 1.0744934 1.151761 1.2337787 1.3215793 1.4164565 1.5199448 1.6340438 1.7610598 1.903696 2.0643086 2.2434564 2.4371436 2.6349957 2.8238478 2.9942627 3.143315 3.2721586 3.3834145 3.4798052 3.5636773 3.6369417 3.7010813 3.7573183 3.806569 3.849598 3.8869877 3.919229 3.9466982 3.9697099 3.9885032 4.003272 4.0141587 4.0212693 4.0246696 4.025 4.024493 4.021255 4.01513 4.006242 3.9947152 3.980674 3.964243 3.9455445 3.924701 3.9018323 3.8770568 3.85049 3.8222454 3.792433 3.7611609 3.728533 3.694651 3.6596122 3.6235113 3.5864396 3.5484843 3.5097299 3.4702566 3.430142 3.3894594 3.3482797 3.30667 3.2646937 3.2224119 3.1798818 3.1371584 3.0942929 3.051334 3.0083277 2.9653175 2.922344 2.879445 2.836657 2.794013 2.7515447 2.7092807 2.6672487 2.6254737 2.5839791 2.5427864 2.5019155 2.461385 2.4212112 2.38141 2.3419948 2.3029788 2.2643728 2.2261877 2.1884322 2.1511147 2.1142423 2.077821 2.0418563 2.0063527 1.9713137 1.9367427 1.9026417 1.8690125 1.8358562 1.8031733 1.770964 1.7392275 1.7079632 1.6771697 1.6468451 1.6169873 1.5875943 1.5586628 1.5301901 1.502173 1.4746077 1.4474907 1.420818 1.3945854 1.3687887 1.3434235 1.3184851 1.293969 1.2698704 1.2461842 1.2229056 1.2000296 1.177551 1.1554648 1.1337657 1.1124483 1.0915078 1.0709386 1.0507355 1.0308932 1.0114065 0.9922701 0.97347873 0.9550271 0.9369101 0.91912246 0.9016591 0.8845147 0.8676843 0.85116285 0.8349453 0.81902665 0.803402 0.78806645 0.77301514 0.7582434 0.7437463 0.7295193 0.7155578 0.70185715 0.68841285 0.6752205 0.6622756 0.64957386 0.63711107 0.62488294 0.6128853 0.60111403 0.58956516 0.5782346 0.56711847 0.55621296 0.54551417 0.5350184 0.5247219 0.51462114 0.50471246 0.4949924 0.48545742 0.47610414 0.46692923 0.4579294 0.4491014 0.440442 0.43194813 0.42361665 0.4154446 0.40742898 0.39956683 0.39185533 0.38429162 0.37687293 0.36959654 0.36245978 0.35546002 0.34859467 0.3418612 0.33525708 0.3287799 0.32242727 0.31619683 0.31008622 0.30409318 0.2982155 0.292451 0.28679746 0.28125283 0.275815 0.27048197 0.2652517 0.26012227 0.25509173 0.25015816 0.24531977 0.2405747 0.23592117 0.23135744 0.22688177 0.2224925 0.21818794 0.21396649 0.20982656 0.20576656 0.20178497 0.19788028 0.19405103 0.19029574 0.18661302 0.18300146 0.17945968 0.17598635 0.17258015 0.1692398 0.16596402 0.16275156 0.15960121 0.15651177 0.15348206 0.15051095 0.1475973 0.14473999 0.14193794 0.1391901 0.1364954 0.13385282 0.13126136 0.12872005 0.1262279 0.12378395 0.1213873 0.119037025 0.11673222 0.11447202 0.11225555 0.11008197 0.107950464 0.1058602 0.10381039 0.10180026 0.09982903 0.09789596 0.0960003 0.09414133 0.09231834 0.09053065 0.08877756 0.0870584 0.08537252 0.08371928 0.08209805 0.0805082 0.07894913 0.07742024 0.075920954 0.0744507 0.0730089 0.07159503 0.07020852 0.06884886 0.06751553 0.06620801 0.06492581 0.06366844 0.062435407 0.061226256 0.060040515 0.058877736 0.05773747 0.056619287 0.055522755 0.054447457 0.05339298 0.052358925 0.05134489 0.050350495

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.512" PeakHeight="110.0" Num="3" Error="0.0">
-22.496 4.483 -0.421
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.512" EndFrequency="4.025" PeakHeight="213.424" Num="5" zHalfNm="193.124" Error="2.081">
-47.348 9.357 -6.678 3.166 -0.671
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.001" EndDistance="6480.001" A="-1.1487795E12" B="3.54561568E8" C="-27357.883" Error="0.013"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6500.417" A="-5.9962347E11" B="1.85068976E8" C="-14279.752" Error="0.00137"/>
<QuasiParabolic ID="2" StartDistance="6500.417" EndDistance="6520.833" A="0.0" B="345.21097" C="0.06816431" Error="0.00137"/>
<QuasiParabolic ID="3" StartDistance="6520.833" EndDistance="6521.0" A="3.37379747E14" B="-1.03475847E11" C="7934123.5" Error="0.0819"/>
<QuasiParabolic ID="4" StartDistance="6521.0" EndDistance="6523.0" A="-1.01454971E13" B="3.11064602E9" C="-238433.66" Error="0.0768"/>
<QuasiParabolic ID="5" StartDistance="6523.0" EndDistance="6540.0" A="5.8646325E11" B="-1.79852464E8" C="13789.119" Error="0.0788"/>
<QuasiParabolic ID="6" StartDistance="6540.0" EndDistance="6552.0" A="1.43957961E13" B="-4.4028902E9" C="336651.3" Error="0.056"/>
<QuasiParabolic ID="7" StartDistance="6552.0" EndDistance="6556.0" A="3.9042465E13" B="-1.19262935E10" C="910781.6" Error="0.0015"/>
<QuasiParabolic ID="8" StartDistance="6556.0" EndDistance="6560.0" A="1.31514348E14" B="-4.0136143E10" C="3062234.2" Error="0.0337"/>
<QuasiParabolic ID="9" StartDistance="6560.0" EndDistance="6583.424" A="-3.7154445E13" B="1.12872714E10" C="-857233.1" Error="0.0532"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="61.25" Depth="0.164"/>
<TopsideChapman PeakHeight="213.424" PeakDensity="201000.31" PeakScaleHeight="15.978" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
