<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-21 -080 23:10:00.000"
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" >
2026.03.21 (080) 23:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608003212310001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.975" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.608" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.950" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.375" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.375" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.400" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="232.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="232.500" 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="4.850" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="292.459" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.375" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.375" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="250.659" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="229.190" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="7.568" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="30.819" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.118" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.403" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.160" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.560" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="65">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 232.500 232.500 232.500 232.500 232.500 235.000 237.500 237.500 235.000 235.833 236.667 237.500 240.000 240.625 241.250 241.875 242.500 242.500 242.500 242.500 242.500 245.000 245.000 245.000 250.000 250.000 250.000 250.000 250.000 250.000 252.500 252.500 255.000 255.000 255.000 255.000 255.000 257.500 260.000 262.500 265.000 265.000 265.000 267.500 267.500 270.000 270.000 272.500 275.000 277.500 278.344 279.298 280.386 281.639 283.096 284.812 286.864 289.359 292.459 296.415 301.639 308.854 319.468 336.624
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 0 0 0 57 60 66 0 60 60 0 0 0 0 0 0 0 0 0 0 84 87 90 93 99 90 0 0 0 99 90 84 84 81 75 78 78 66 0 75 81 0 54 54 57 63 84 87 57 54 78 0 81 81 72 75 90 87 81 78 72 66 96 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 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -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="430">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 138.58333 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.16667 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 195.75 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 250.659 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0
</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="0.354" PeakHeight="110.0" Num="3" Error="0.0">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="4.975" PeakHeight="250.659" Num="5" zHalfNm="229.19" Error="1.17">
-57.414 4.344 -2.992 1.717 -0.564
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6508.583" A="-1.85709953E11" B="5.7317888E7" C="-4422.5513" Error="0.00149"/>
<QuasiParabolic ID="2" StartDistance="6508.583" EndDistance="6537.167" A="0.0" B="2330.3047" C="-0.31801546" Error="0.0386"/>
<QuasiParabolic ID="3" StartDistance="6537.167" EndDistance="6559.0" A="9.2693606E9" B="-2954118.0" C="235.02867" Error="0.0386"/>
<QuasiParabolic ID="4" StartDistance="6559.0" EndDistance="6565.0" A="2.86370202E11" B="-8.744896E7" C="6676.1665" Error="0.00855"/>
<QuasiParabolic ID="5" StartDistance="6565.0" EndDistance="6577.0" A="9.3177973E12" B="-2.83883571E9" C="216225.81" Error="0.0343"/>
<QuasiParabolic ID="6" StartDistance="6577.0" EndDistance="6587.0" A="2.49568617E13" B="-7.594519E9" C="577764.75" Error="0.032"/>
<QuasiParabolic ID="7" StartDistance="6587.0" EndDistance="6601.0" A="4.8403795E13" B="-1.47136727E10" C="1118159.0" Error="0.0346"/>
<QuasiParabolic ID="8" StartDistance="6601.0" EndDistance="6620.659" A="-5.344024E13" B="1.61434798E10" C="-1219150.0" Error="0.0135"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="85.75" Depth="0.154"/>
<TopsideChapman PeakHeight="250.659" PeakDensity="307079.72" PeakScaleHeight="16.403" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
