<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-02 -033 02:55:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 40% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2, Trace overlaps while constructing baseline</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.02.02 (033) 02:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.15" 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">
FF202603302020255001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.500" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.451" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.981" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.350" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.350" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="290.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="290.000" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.375" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="318.715" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="4.325" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="4.325" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="287.421" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="268.789" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.987" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.970" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.291" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.604" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.050" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.330" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="87">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 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 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
292.500 300.000 307.500 315.000 322.500 325.000 327.500 330.000 331.250 332.500 331.083 329.667 328.250 326.833 325.417 324.000 322.583 321.167 319.750 318.333 316.917 315.500 314.083 312.667 311.250 309.833 308.417 307.000 305.583 304.167 302.750 301.333 299.917 298.500 297.083 295.667 294.250 292.833 291.417 290.000 291.250 292.500 290.000 290.000 290.000 290.000 290.000 290.000 290.000 290.000 290.000 290.000 295.000 300.000 292.500 296.500 300.500 304.500 308.500 312.500 315.000 317.500 297.500 292.500 292.500 300.000 297.500 296.250 295.000 295.000 290.000 293.750 297.500 302.500 303.750 305.261 306.928 308.775 310.833 313.142 315.748 318.715 322.123 326.076 330.719 336.248 342.945
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 78 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 96 60 66 0 0 0 60 0 0 0 63 63 60 99 0 0 93 0 0 0 57 0 60 0 57
</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 -4.6875 -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 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="425">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.69533 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.39067 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 217.086 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 287.421 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21213934 0.23390245 0.2526677 0.26895854 0.28319094 0.29565945 0.30659118 0.31614733 0.32445762 0.331616 0.33769703 0.34275886 0.34684667 0.3499937 0.352225 0.3535571 0.354 0.3538872 0.35362422 0.35313663 0.35250106 0.35164472 0.35064512 0.34943143 0.34800863 0.34638256 0.3445599 0.34254822 0.3403557 0.33792278 0.33532998 0.33245555 0.32938346 0.32606673 0.3225273 0.3187282 0.31464112 0.31035888 0.30575162 0.30087197 0.2957003 0.2901396 0.28437382 0.2781529 0.27155113 0.2644589 0.25699955 0.24906747 0.24053816 0.2314725 0.22172955 0.21124674 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.20262884 0.20694312 0.21125741 0.2155717 0.219886 0.2242003 0.22851458 0.23282887 0.23714316 0.24145745 0.24577174 0.250086 0.2544003 0.25871462 0.2630289 0.2673432 0.27165747 0.27597177 0.28028604 0.28460035 0.28891462 0.29322892 0.2975432 0.3018575 0.30617177 0.31048608 0.31480035 0.31911466 0.32342896 0.32774323 0.33205754 0.3363718 0.3406861 0.3450004 0.3493147 0.35362896 0.354 0.376575 0.40355104 0.43317488 0.4657336 0.5014822 0.54065704 0.58342206 0.62985075 0.6799188 0.73345304 0.79020196 0.84979665 0.9118747 0.9760207 1.0418757 1.109102 1.177425 1.2466307 1.3165456 1.3870348 1.4580151 1.5294048 1.6011695 1.6732731 1.7457219 1.8185035 1.8916296 1.9651062 2.0389476 2.1132007 2.1878502 2.2629516 2.3385236 2.4145865 2.4911852 2.5683384 2.6460965 2.7244813 2.8035085 2.8832479 2.9637237 3.0449753 3.1270144 3.2099144 3.2936926 3.378412 3.4640868 3.5507753 3.6385016 3.7273216 3.817273 3.9083855 4.000697 4.0942206 4.1889887 4.28499 4.3822117 4.4806085 4.580065 4.680416 4.7813883 4.8825746 4.983306 5.0825667 5.1788487 5.269839 5.35223 5.421389 5.4716725 5.497455 5.5 5.499036 5.4929404 5.481468 5.464894 5.443493 5.4175396 5.387308 5.353067 5.3150816 5.2736106 5.228908 5.1812196 5.1307836 5.0778303 5.022582 4.9652514 4.9060435 4.845153 4.7827663 4.7190614 4.6542063 4.5883603 4.521674 4.4542913 4.386345 4.317961 4.2492585 4.1803474 4.1113315 4.042307 3.9733634 3.9045844 3.8360467 3.7678216 3.699975 3.632567 3.5656526 3.499283 3.433504 3.3683572 3.3038805 3.2401078 3.1770697 3.1147928 3.0533016 2.992617 2.932757 2.8737373 2.8155713 2.7582703 2.701843 2.6462965 2.5916364 2.5378659 2.4849873 2.433001 2.3819067 2.3317027 2.2823856 2.2339518 2.1863966 2.1397138 2.093897 2.0489397 2.0048335 1.96157 1.9191407 1.877536 1.8367463 1.7967618 1.7575716 1.7191653 1.6815321 1.644661 1.6085404 1.5731591 1.5385058 1.5045686 1.471336 1.4387964 1.4069381 1.3757493 1.3452185 1.3153341 1.2860843 1.2574576 1.2294427 1.2020283 1.1752028 1.1489555 1.1232748 1.0981501 1.0735706 1.0495255 1.0260042 1.0029963 0.9804915 0.95847976 0.936951 0.9158953 0.8953031 0.87516475 0.8554709 0.8362123 0.8173798 0.79896456 0.78095776 0.7633508 0.7461351 0.72930247 0.71284467 0.69675374 0.6810217 0.6656409 0.6506038 0.6359028 0.62153083 0.60748065 0.59374523 0.5803178 0.5671915 0.55435985 0.5418163 0.5295546 0.5175685 0.505852 0.49439907 0.48320392 0.47226086 0.4615643 0.45110878 0.44088897 0.4308996 0.42113551 0.41159177 0.40226343 0.3931457 0.38423386 0.37552333 0.36700958 0.35868824 0.350555 0.34260562 0.33483604 0.32724214 0.31982005 0.3125659 0.30547586 0.2985463 0.29177365 0.28515428 0.2786848 0.27236184 0.26618207 0.2601423 0.25423932 0.2484701 0.2428316 0.23732087 0.23193504 0.22667128 0.22152683 0.216499 0.21158515 0.20678273 0.20208918 0.19750206 0.19301897 0.18863757 0.18435551 0.1801706 0.1760806 0.17208338 0.16817683 0.16435891 0.16062762 0.15698098 0.15341707 0.14993402 0.14653003 0.14320326 0.13995199 0.13677451 0.13366912 0.13063422 0.1276682 0.124769494 0.121936575 0.11916796 0.116462186 0.113817826 0.11123349 0.108707815 0.106239475 0.10382716 0.10146961 0.09916558 0.09691386 0.09471325 0.0925626 0.09046077 0.08840667 0.08639919 0.084437296 0.08251993 0.08064611 0.07881483 0.07702513 0.075276054 0.0735667 0.07189616 0.07026354 0.06866799 0.06710867 0.06558476 0.064095445 0.06263995 0.0612175 0.059827354 0.05846877 0.057141036 0.05584345 0.054575328 0.053336 0.052124813 0.050941132

</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="5.5" PeakHeight="287.421" Num="5" zHalfNm="268.789" Error="2.479">
-61.819 -14.899 9.892 -4.08 0.571
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6515.695" A="-1.19314653E11" B="3.6825512E7" C="-2841.3494" Error="0.00171"/>
<QuasiParabolic ID="2" StartDistance="6515.695" EndDistance="6551.391" A="0.0" B="2145.8523" C="-0.2892979" Error="0.0439"/>
<QuasiParabolic ID="3" StartDistance="6551.391" EndDistance="6587.0" A="2.63933338E10" B="-8147471.5" C="628.7308" Error="0.0492"/>
<QuasiParabolic ID="4" StartDistance="6587.0" EndDistance="6592.0" A="7.2043379E12" B="-2.18757504E9" C="166062.73" Error="0.0713"/>
<QuasiParabolic ID="5" StartDistance="6592.0" EndDistance="6607.0" A="8.7400105E12" B="-2.65349504E9" C="201402.53" Error="0.0493"/>
<QuasiParabolic ID="6" StartDistance="6607.0" EndDistance="6654.0" A="1.60749595E13" B="-4.8738519E9" C="369433.2" Error="0.068"/>
<QuasiParabolic ID="7" StartDistance="6654.0" EndDistance="6657.421" A="-2.73119739E14" B="8.2049712E10" C="-6162244.5" Error="0.00146"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="107.086" Depth="0.154"/>
<TopsideChapman PeakHeight="287.421" PeakDensity="375310.2" PeakScaleHeight="13.604" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
