<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-20 -051 08:25:00.000"
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: Multiple candidates for F2x cusp, F2 cusps do not match, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.02.20 (051) 08:25:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.16" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.95" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="85.88234" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202605102200825001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.650" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.466" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.651" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.100" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.100" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.725" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="247.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="247.500" 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="3.550" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="313.475" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.489" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.100" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.100" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="264.705" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="237.739" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.567" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.345" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.430" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.887" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="40.220" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.790" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="63">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
247.500 247.500 247.500 250.000 252.500 252.500 252.500 252.500 252.500 255.000 255.000 255.000 255.000 257.500 257.500 257.500 257.500 257.500 262.500 262.500 262.500 263.750 265.000 266.250 267.500 268.750 270.000 270.000 272.500 273.750 275.000 272.500 272.500 275.000 275.000 277.500 280.000 280.000 280.000 282.500 282.500 282.500 285.000 287.500 287.500 290.000 292.500 292.500 292.500 295.000 296.101 297.337 298.735 300.329 302.165 304.300 306.814 309.820 313.475 318.017 323.813 331.464 342.031
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
45 45 39 57 57 48 54 42 42 42 42 42 39 66 60 51 48 45 48 42 36 0 48 0 48 0 42 36 33 0 18 30 27 54 54 69 75 72 72 81 78 72 78 81 78 75 72 72 66 72 75 75 72 66 66 54 63 54 51 48 48 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 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 -3.125 -3.125 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="483">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.73 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 139.022 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 168.044 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 197.066 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 264.705 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0
</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="0.489" PeakHeight="110.0" Num="3" Error="0.0">
-22.118 4.227 -0.379
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.489" EndFrequency="3.65" PeakHeight="264.705" Num="5" zHalfNm="237.739" Error="0.923">
-65.396 -4.25 3.141 -1.652 0.518
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="18" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.004" EndDistance="6480.001" A="-1.04795315E12" B="3.23442336E8" C="-24956.73" Error="0.0098"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6509.022" A="-4.2109141E11" B="1.2996648E8" C="-10028.039" Error="0.0107"/>
<QuasiParabolic ID="2" StartDistance="6509.022" EndDistance="6538.044" A="0.0" B="-358.23538" C="0.09479245" Error="0.00611"/>
<QuasiParabolic ID="3" StartDistance="6538.044" EndDistance="6539.0" A="-6.3751979E12" B="1.94986816E9" C="-149092.81" Error="7.28E-10"/>
<QuasiParabolic ID="4" StartDistance="6539.0" EndDistance="6540.0" A="6.4534851E12" B="-1.97387648E9" C="150933.55" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6540.0" EndDistance="6541.0" A="-6.0901362E12" B="1.86209344E9" C="-142336.33" Error="6.04E-10"/>
<QuasiParabolic ID="6" StartDistance="6541.0" EndDistance="6542.0" A="6.4576422E12" B="-1.97456102E9" C="150941.03" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6542.0" EndDistance="6543.0" A="-6.093639E12" B="1.86257779E9" C="-142328.52" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6543.0" EndDistance="6544.0" A="6.4618071E12" B="-1.97524774E9" C="150948.69" Error="0.0"/>
<QuasiParabolic ID="9" StartDistance="6544.0" EndDistance="6545.0" A="-6.0971014E12" B="1.86304947E9" C="-142319.75" Error="0.0"/>
<QuasiParabolic ID="10" StartDistance="6545.0" EndDistance="6546.0" A="5.8527381E12" B="-1.78854387E9" C="136640.78" Error="4.01E-10"/>
<QuasiParabolic ID="11" StartDistance="6546.0" EndDistance="6548.0" A="-1.43574329E12" B="4.38306496E8" C="-33451.664" Error="0.0184"/>
<QuasiParabolic ID="12" StartDistance="6548.0" EndDistance="6566.0" A="2.48470913E11" B="-7.6114472E7" C="5829.1064" Error="0.0184"/>
<QuasiParabolic ID="13" StartDistance="6566.0" EndDistance="6568.0" A="1.02033439E13" B="-3.10836326E9" C="236734.44" Error="0.0199"/>
<QuasiParabolic ID="14" StartDistance="6568.0" EndDistance="6575.0" A="3.47329344E12" B="-1.05901792E9" C="80724.586" Error="0.00389"/>
<QuasiParabolic ID="15" StartDistance="6575.0" EndDistance="6606.0" A="7.4254605E12" B="-2.26119782E9" C="172145.12" Error="0.0112"/>
<QuasiParabolic ID="16" StartDistance="6606.0" EndDistance="6625.0" A="1.23289174E11" B="-5.0428568E7" C="4814.7144" Error="0.01"/>
<QuasiParabolic ID="17" StartDistance="6625.0" EndDistance="6634.705" A="-2.99128869E13" B="9.0170962E9" C="-679526.8" Error="0.00311"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="87.066" Depth="0.289"/>
<TopsideChapman PeakHeight="264.705" PeakDensity="165291.56" PeakScaleHeight="19.887" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
