<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-17 -137 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" >
2026.05.17 (137) 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">
FF202613705172135001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.125" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.863" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.936" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.550" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="202.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="202.500" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.875" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="242.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.478" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="221.761" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="199.112" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.955" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="32.296" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.565" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.799" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.280" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.360" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="49">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.925 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 4.05 4.075 4.1 4.125
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
202.500 202.500 202.500 202.500 205.000 205.000 205.000 205.000 205.000 205.833 206.667 207.500 207.500 210.000 210.000 210.000 210.000 212.500 212.500 212.500 212.500 217.500 217.500 217.500 217.500 220.000 220.000 222.500 222.500 225.000 225.000 227.500 230.000 232.500 235.000 237.500 240.000 242.500 242.500 247.500 255.000 260.000 262.500 268.129 274.535 281.891 290.424 300.441 312.367
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 63 63 63 0 0 75 75 75 0 0 72 72 69 96 96 84 81 84 87 87 78 72 72 72 72 72 72 72 69 66 66 0 0 0 0 0 78 81 81 78 78 66 63 0 0 0 78 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 -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="415">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.819 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 131.58333 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 153.16667 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.75 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.761 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.478" PeakHeight="110.0" Num="3" Error="0.0">
-21.924 4.103 -0.36
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.478" EndFrequency="4.125" PeakHeight="221.761" Num="5" zHalfNm="199.112" Error="2.04">
-53.341 11.071 -7.173 3.496 -1.064
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="14" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.005" EndDistance="6480.001" A="-1.00146453E12" B="3.09093984E8" C="-23849.615" Error="0.00911"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6501.583" A="-5.15227255E11" B="1.59020768E8" C="-12269.892" Error="0.00259"/>
<QuasiParabolic ID="2" StartDistance="6501.583" EndDistance="6523.167" A="0.0" B="473.68546" C="0.020409137" Error="0.00259"/>
<QuasiParabolic ID="3" StartDistance="6523.167" EndDistance="6524.0" A="-8.4974397E12" B="2.60491238E9" C="-199635.56" Error="3.13E-10"/>
<QuasiParabolic ID="4" StartDistance="6524.0" EndDistance="6526.0" A="2.11944276E12" B="-6.4980333E8" C="49806.152" Error="0.0187"/>
<QuasiParabolic ID="5" StartDistance="6526.0" EndDistance="6543.0" A="2.72119767E10" B="-8604798.0" C="679.6976" Error="0.019"/>
<QuasiParabolic ID="6" StartDistance="6543.0" EndDistance="6544.0" A="1.8839533E12" B="-5.7615526E8" C="44050.51" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6544.0" EndDistance="6550.0" A="1.52593351E13" B="-4.6639857E9" C="356384.75" Error="0.0197"/>
<QuasiParabolic ID="8" StartDistance="6550.0" EndDistance="6551.0" A="1.38472496E12" B="-4.27463712E8" C="32986.117" Error="0.0"/>
<QuasiParabolic ID="9" StartDistance="6551.0" EndDistance="6557.0" A="1.56082886E13" B="-4.7698739E9" C="364417.2" Error="0.004"/>
<QuasiParabolic ID="10" StartDistance="6557.0" EndDistance="6561.0" A="3.6009568E13" B="-1.09926216E10" C="838929.06" Error="0.00177"/>
<QuasiParabolic ID="11" StartDistance="6561.0" EndDistance="6569.0" A="7.5747813E13" B="-2.31060951E10" C="1762071.2" Error="0.0142"/>
<QuasiParabolic ID="12" StartDistance="6569.0" EndDistance="6577.0" A="-7.1098931E13" B="2.16029164E10" C="-1640958.9" Error="0.0105"/>
<QuasiParabolic ID="13" StartDistance="6577.0" EndDistance="6591.761" A="-2.57847061E13" B="7.8233134E9" C="-593399.0" Error="0.0051"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="64.75" Depth="0.173"/>
<TopsideChapman PeakHeight="221.761" PeakDensity="211111.97" PeakScaleHeight="17.799" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
