<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-08 -098 11:20:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: F2o cusp not found, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.08 (098) 11:20:00</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">
FF202609804081120001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="5.550" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.112" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="22.824" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="5.275" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="5.275" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.750" 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="88" Val="5.550" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="243.721" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="2.415" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="5.275" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="5.275" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="173.969" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="144.847" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.314" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="36.846" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.640" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.588" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="45.130" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.560" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="12">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 233.750 235.000 235.410 235.883 236.436 237.092 237.880 238.846 240.057 241.622 243.721
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 0 0 0 0 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 -9.375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="433">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
89.658 90.0 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 116.211 117.0 118.0 119.0 120.0 121.0 122.0 122.422 123.0 124.0 125.0 126.0 127.0 128.0 128.633 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 173.969 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0
</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="2.415" PeakHeight="110.0" Num="3" Error="0.0">
-29.618 11.875 -2.599
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="2.415" EndFrequency="5.55" PeakHeight="173.969" Num="5" zHalfNm="144.847" Error="2.199">
-41.895 -5.965 3.969 -2.172 0.727
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.853" EndDistance="6480.001" A="-2.51774506E13" B="7.770818E9" C="-599594.3" Error="0.00883"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6486.211" A="-2.75929755E13" B="8.5163505E9" C="-657119.94" Error="1.74E-4"/>
<QuasiParabolic ID="2" StartDistance="6486.211" EndDistance="6492.422" A="0.0" B="-173291.11" C="31.946527" Error="0.00475"/>
<QuasiParabolic ID="3" StartDistance="6492.422" EndDistance="6498.0" A="1.27082588E13" B="-3.91700582E9" C="301835.16" Error="0.00702"/>
<QuasiParabolic ID="4" StartDistance="6498.0" EndDistance="6499.0" A="2.48428894E14" B="-7.6468756E10" C="5884457.0" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6499.0" EndDistance="6514.0" A="2.00286719E13" B="-6.1809505E9" C="476870.56" Error="0.0084"/>
<QuasiParabolic ID="6" StartDistance="6514.0" EndDistance="6540.0" A="-1.07154569E13" B="3.25845018E9" C="-247676.66" Error="0.00717"/>
<QuasiParabolic ID="7" StartDistance="6540.0" EndDistance="6543.969" A="-9.9462022E13" B="3.03980708E10" C="-2322571.2" Error="5.65E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="18.633" Depth="0.128"/>
<TopsideChapman PeakHeight="173.969" PeakDensity="382165.0" PeakScaleHeight="20.588" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
