<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-01 -032 05:00:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 65% PACIFIC flags: Multiple candidates for F2x cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.02.01 (032) 05:00:00</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">
FF202603202010500001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="6.125" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.591" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="21.992" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="4.275" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="4.275" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.425" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="262.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="262.500" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="6.000" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="298.515" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="4.275" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="4.275" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="265.946" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="248.995" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.252" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="24.696" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.526" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.669" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.740" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.950" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="75">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
262.500 262.500 262.500 262.500 263.750 265.000 264.375 263.750 263.125 262.500 262.500 262.500 262.500 265.000 265.000 265.000 265.000 265.833 266.667 267.500 267.500 267.500 270.000 270.000 270.000 270.000 270.000 272.500 272.500 273.750 275.000 275.000 275.000 275.000 275.000 275.000 275.000 277.500 277.500 277.500 277.500 277.500 280.000 280.000 280.000 280.000 280.000 282.500 282.500 282.500 282.500 282.500 285.000 285.000 285.000 287.500 287.500 287.500 290.000 290.000 292.500 292.500 292.500 292.992 293.559 294.220 295.002 295.939 297.084 298.515 300.353 302.802 306.226 311.352 319.870
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
84 84 84 84 0 69 0 0 0 75 84 84 99 99 87 0 84 0 0 81 81 84 87 87 102 102 90 87 84 0 78 84 63 63 99 93 93 99 90 87 84 84 99 99 60 66 102 96 63 63 60 57 93 96 93 96 60 60 93 93 48 54 93 90 78 0 90 96 96 99 99 96 0 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 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -4.6875 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="393">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.41434 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 180.82866 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 216.243 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 265.946 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0
</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 0.35057107 0.349358 0.34793586 0.34623837 0.3444175 0.34240782 0.3401479 0.33765018 0.3349953 0.33206204 0.3289346 0.32556644 0.3219797 0.31813806 0.3140136 0.30958778 0.30490568 0.2999626 0.29464236 0.28905067 0.2830937 0.2767237 0.27001786 0.26280412 0.25516826 0.24700616 0.23833022 0.22893482 0.21896023 0.20825806 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 0.20074505 0.20509356 0.2094421 0.21379061 0.21813913 0.22248766 0.22683617 0.2311847 0.23553322 0.23988174 0.24423027 0.24857879 0.2529273 0.25727582 0.26162437 0.26597288 0.2703214 0.27466992 0.27901843 0.28336695 0.2877155 0.292064 0.29641253 0.30076104 0.30510956 0.30945808 0.31380662 0.31815514 0.32250366 0.32685217 0.3312007 0.33554924 0.33989775 0.34424627 0.34859478 0.3529433 0.354 0.39274573 0.4438922 0.49676034 0.55249655 0.6119323 0.67573935 0.7445245 0.8188245 0.8990819 0.9857207 1.0789807 1.1790757 1.2860339 1.3997979 1.5201522 1.6468039 1.7794018 1.9174563 2.0605304 2.2081354 2.3597631 2.5149724 2.673258 2.8342159 2.9973843 3.1623647 3.3287463 3.496088 3.6640053 3.832012 3.9996755 4.166495 4.3318753 4.495302 4.6560936 4.8135276 4.9668155 5.115141 5.2575526 5.3930383 5.520542 5.638932 5.747025 5.843641 5.9276505 5.9979343 6.0535336 6.0936112 6.117553 6.125 6.124989 6.120932 6.109814 6.0920124 6.067907 6.037877 6.0023 5.9615474 5.9159846 5.86597 5.811851 5.7539644 5.6926374 5.628183 5.5609026 5.491084 5.419003 5.3449206 5.269086 5.1917324 5.113084 5.0333476 4.952721 4.8713884 4.789521 4.707281 4.6248174 4.5422688 4.4597645 4.377424 4.295356 4.213662 4.1324353 4.0517592 3.9717119 3.892363 3.8137758 3.7360072 3.6591084 3.5831254 3.5080981 3.4340625 3.3610494 3.2890859 3.218195 3.1483958 3.0797043 3.0121336 2.9456935 2.8803916 2.8162322 2.7532184 2.6913507 2.6306276 2.571046 2.5126016 2.455288 2.399098 2.3440228 2.290053 2.2371778 2.1853862 2.1346657 2.0850036 2.0363863 1.9888 1.9422302 1.8966622 1.8520807 1.8084706 1.765816 1.7241012 1.6833104 1.6434274 1.6044363 1.5663208 1.5290649 1.4926527 1.4570677 1.4222944 1.3883168 1.355119 1.3226855 1.291001 1.2600498 1.2298172 1.2002877 1.171447 1.1432803 1.1157731 1.0889114 1.0626812 1.0370687 1.0120604 0.98764294 0.96380323 0.94052845 0.91780597 0.8956234 0.8739684 0.8528293 0.83219415 0.8120516 0.7923902 0.7731991 0.75446737 0.73618436 0.7183398 0.7009234 0.6839252 0.66733557 0.6511448 0.6353436 0.61992294 0.6048737 0.59018725 0.57585496 0.5618685 0.5482197 0.5349005 0.5219031 0.5092198 0.4968433 0.48476616 0.4729812 0.46148154 0.45026034 0.4393109 0.42862675 0.41820154 0.40802902 0.39810315 0.388418 0.3789678 0.36974686 0.36074972 0.35197097 0.34340534 0.33504766 0.32689297 0.31893635 0.31117302 0.3035983 0.29620764 0.2889966 0.28196084 0.2750961 0.26839823 0.26186323 0.2554871 0.24926607 0.24319632 0.23727421 0.23149617 0.22585867 0.22035833 0.21499181 0.20975587 0.20464735 0.19966313 0.19480021 0.19005565 0.18542658 0.18091017 0.17650369 0.1722045 0.16800994 0.16391751 0.15992472 0.15602912 0.15222839 0.14852019 0.14490227 0.14137247 0.1379286 0.13456862 0.13129044 0.1280921 0.12497165 0.121927194 0.11895688 0.11605891 0.11323152 0.11047299 0.107781656 0.10515587 0.10259403 0.1000946 0.09765605 0.0952769 0.09295569 0.09069104 0.088481545 0.08632587 0.084222704 0.08217078 0.08016883 0.07821565 0.07631006 0.07445088 0.072637 0.0708673 0.06914072 0.06745619 0.065812714 0.06420927 0.062644884 0.06111861 0.059629522 0.05817671 0.056759294 0.055376407 0.054027215 0.052710887 0.051426634 0.050173666

</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="6.125" PeakHeight="265.946" Num="5" zHalfNm="248.995" Error="0.488">
-49.174 -1.353 1.115 -0.608 0.317
</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="6515.414" A="-1.21209602E11" B="3.7410372E7" C="-2886.4775" Error="0.00171"/>
<QuasiParabolic ID="2" StartDistance="6515.414" EndDistance="6550.829" A="0.0" B="2496.3337" C="-0.34310788" Error="0.0509"/>
<QuasiParabolic ID="3" StartDistance="6550.829" EndDistance="6585.0" A="6.816937E9" B="-2180700.2" C="174.07368" Error="0.0509"/>
<QuasiParabolic ID="4" StartDistance="6585.0" EndDistance="6592.0" A="1.18710338E13" B="-3.60558746E9" C="273781.25" Error="0.0595"/>
<QuasiParabolic ID="5" StartDistance="6592.0" EndDistance="6600.0" A="2.46575918E13" B="-7.4850048E9" C="568033.2" Error="0.0534"/>
<QuasiParabolic ID="6" StartDistance="6600.0" EndDistance="6626.0" A="5.391053E13" B="-1.63495311E10" C="1239588.1" Error="0.0483"/>
<QuasiParabolic ID="7" StartDistance="6626.0" EndDistance="6635.946" A="-1.70446599E14" B="5.1370701E10" C="-3870601.2" Error="0.00999"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="106.243" Depth="0.154"/>
<TopsideChapman PeakHeight="265.946" PeakDensity="465454.4" PeakScaleHeight="12.669" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
