<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-06 -096 20:35:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 45% PACIFIC flags: F2o cusp not found, Multiple candidates for F2x cusp, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.06 (096) 20:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609604062035001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="8.950" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.021" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="35.986" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="5.350" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="5.350" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="14.150" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="222.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="222.500" 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="88" Val="8.950" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="252.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="1.917" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="5.350" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="5.350" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="207.029" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="182.467" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="8.442" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="32.296" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="7.806" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.679" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="46.140" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.000" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="145">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05 6.075 6.1 6.125 6.15 6.175 6.2 6.225 6.25 6.275 6.3 6.325 6.35 6.375 6.4 6.425 6.45 6.475 6.5 6.525 6.55 6.575 6.6 6.625 6.65 6.675 6.7 6.725 6.75 6.775 6.8 6.825 6.85 6.875 6.9 6.925 6.95 6.975 7.0 7.025 7.05 7.075 7.1 7.125 7.15 7.175 7.2 7.225 7.25 7.275 7.3 7.325 7.35 7.375 7.4 7.425 7.45 7.475 7.5 7.525 7.55 7.575 7.6 7.625 7.65 7.675 7.7 7.725 7.75 7.775 7.8 7.825 7.85 7.875 7.9 7.925 7.95 7.975 8.0 8.025 8.05 8.075 8.1 8.125 8.15 8.175 8.2 8.225 8.25 8.275 8.3 8.325 8.35 8.375 8.4 8.425 8.45 8.475 8.5 8.525 8.55 8.575 8.6 8.625 8.65 8.675 8.7 8.725 8.75 8.775 8.8 8.825 8.85 8.875 8.9 8.925 8.95
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
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</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
81 105 105 105 102 90 0 0 0 0 0 105 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 96 96 69 69 0 0 0 0 0 0 57 0 0 0 0 33 0 33 33 0 0 0 0 0 0 0 0 0 0 0 0 27 0 0 0 0 0 54 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 39 51 54 54 0 0 0 0 0 33 0 0 0 0 0 42 42 69 0 0 0 0 0 0 0 0 42 42 0 42 0 0 33 0 0 0 0 27 0 30 30 0 0 0 30 0 0 0 0 51 0 30 30 30 0 30 0 0 0 48 48
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="426">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
89.784 90.0 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 119.07267 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 128.14534 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 137.218 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 207.029 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0
</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="1.917" PeakHeight="110.0" Num="3" Error="0.0">
-28.935 10.939 -2.22
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="1.917" EndFrequency="8.95" PeakHeight="207.029" Num="5" zHalfNm="182.467" Error="0.873">
-55.456 -25.051 14.819 -4.249 0.126
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
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<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6489.073" A="-1.12008186E13" B="3.45704269E9" C="-266743.47" Error="2.8E-4"/>
<QuasiParabolic ID="2" StartDistance="6489.073" EndDistance="6498.145" A="0.0" B="120656.32" C="-15.440358" Error="0.00847"/>
<QuasiParabolic ID="3" StartDistance="6498.145" EndDistance="6506.0" A="-5.4135284E12" B="1.6626569E9" C="-127659.25" Error="0.00978"/>
<QuasiParabolic ID="4" StartDistance="6506.0" EndDistance="6508.0" A="1.17362515E14" B="-3.6079747E10" C="2772925.2" Error="0.00921"/>
<QuasiParabolic ID="5" StartDistance="6508.0" EndDistance="6513.0" A="6.8448802E13" B="-2.10478756E10" C="1618048.6" Error="0.00334"/>
<QuasiParabolic ID="6" StartDistance="6513.0" EndDistance="6550.0" A="7.9616273E12" B="-2.47358566E9" C="192109.06" Error="0.00984"/>
<QuasiParabolic ID="7" StartDistance="6550.0" EndDistance="6575.0" A="4.140723E13" B="-1.26859837E10" C="971681.5" Error="0.0194"/>
<QuasiParabolic ID="8" StartDistance="6575.0" EndDistance="6576.0" A="9.0922652E14" B="-2.76661436E11" C="2.104586E7" Error="0.0"/>
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</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="27.218" Depth="0.141"/>
<TopsideChapman PeakHeight="207.029" PeakDensity="993827.56" PeakScaleHeight="16.679" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
