<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-30 -089 03:10:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.30 (089) 03:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608903300310001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.775" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.503" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.224" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.075" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.075" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.525" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="272.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="272.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.625" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="300.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.075" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.075" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="272.062" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="252.714" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.156" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.823" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.114" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.660" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="27.730" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.120" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="29">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.675 3.7 3.725 3.75 3.775
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
272.500 272.500 272.500 273.125 273.750 274.375 275.000 277.500 277.500 280.000 282.500 282.500 285.000 285.000 285.000 290.000 290.000 292.500 295.000 297.500 295.000 297.500 300.000 303.893 308.861 315.419 324.476 337.799 359.329
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 0 90 0 0 0 93 93 93 0 90 90 90 90 99 99 81 81 0 78 84 81 81 0 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-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 -10.9375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="410">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.14433 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.28867 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.433 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 272.062 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0
</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 0.35321164 0.35265058 0.35186794 0.35086685 0.3497987 0.34844553 0.34695965 0.3453451 0.3434644 0.3413979 0.3392231 0.3367418 0.33417124 0.3313214 0.32827562 0.32504994 0.321539 0.31782994 0.31388885 0.3097459 0.30527142 0.30056813 0.29560846 0.29023984 0.2846439 0.2787337 0.27239043 0.26570985 0.2586191 0.25109136 0.24305843 0.23443833 0.22532429 0.21558037 0.20514274 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 0.2 0.20294918 0.20709518 0.21124116 0.21538715 0.21953313 0.22367913 0.22782512 0.2319711 0.2361171 0.24026307 0.24440907 0.24855506 0.25270104 0.25684702 0.26099303 0.265139 0.269285 0.273431 0.27757698 0.28172296 0.28586897 0.29001495 0.29416093 0.29830694 0.30245292 0.3065989 0.31074488 0.3148909 0.31903687 0.32318285 0.32732886 0.33147484 0.33562082 0.33976683 0.3439128 0.3480588 0.3522048 0.354 0.37276602 0.40846336 0.44736916 0.48930982 0.53412485 0.5816542 0.6318 0.6844856 0.73969525 0.79741544 0.8576841 0.92053884 0.9860465 1.0542532 1.125234 1.1990329 1.2756995 1.3552709 1.4377365 1.52308 1.6112518 1.7021123 1.7955467 1.8913388 1.9892067 2.088829 2.189815 2.291695 2.3940208 2.4961994 2.5976665 2.6978557 2.7961588 2.8920176 2.9848483 3.0741649 3.1594806 3.2403653 3.3164456 3.387381 3.452903 3.512785 3.5668156 3.61484 3.6567326 3.692388 3.7217288 3.7446969 3.7612486 3.7713506 3.774993 3.775 3.773511 3.7687366 3.7608194 3.7499108 3.7361617 3.7197227 3.700744 3.679373 3.655756 3.6300359 3.6023526 3.5728428 3.541639 3.5088704 3.4746609 3.4391313 3.402397 3.3645694 3.325755 3.2860558 3.2455697 3.204389 3.1626027 3.1202943 3.0775437 3.034426 2.9910128 2.9473708 2.9035635 2.8596504 2.8156872 2.7717261 2.7278159 2.6840022 2.6403275 2.596831 2.55355 2.5105174 2.467765 2.4253216 2.3832135 2.3414648 2.3000977 2.2591321 2.2185864 2.178477 2.1388183 2.0996237 2.0609045 2.0226712 1.9849324 1.9476961 1.9109685 1.8747551 1.8390604 1.8038876 1.7692394 1.7351176 1.701523 1.6684558 1.6359159 1.6039021 1.5724127 1.541446 1.5109991 1.4810691 1.4516526 1.4227458 1.3943448 1.3664448 1.3390415 1.3121297 1.2857045 1.2597603 1.2342917 1.2092929 1.1847582 1.1606815 1.1370568 1.1138781 1.091139 1.0688332 1.0469546 1.0254966 1.004453 0.9838172 0.96358293 0.94374377 0.9242933 0.90522516 0.8865329 0.8682104 0.85025114 0.832649 0.81539774 0.79849124 0.7819234 0.7656881 0.7497795 0.7341916 0.7189185 0.7039545 0.68929386 0.67493093 0.6608601 0.64707595 0.633573 0.6203459 0.6073894 0.5946983 0.5822675 0.570092 0.5581668 0.54648703 0.5350479 0.5238446 0.5128726 0.5021273 0.49160415 0.48129883 0.47120696 0.46132427 0.45164657 0.4421698 0.43288985 0.4238028 0.4149047 0.40619186 0.39766037 0.38930666 0.38112706 0.37311804 0.36527613 0.35759792 0.35008004 0.34271926 0.33551228 0.32845598 0.3215473 0.31478316 0.30816057 0.30167666 0.29532853 0.2891134 0.2830285 0.27707115 0.2712387 0.2655286 0.25993824 0.25446516 0.24910697 0.24386124 0.23872565 0.23369789 0.22877572 0.22395696 0.21923943 0.21462104 0.2100997 0.2056734 0.20134015 0.19709802 0.19294508 0.18887947 0.1848994 0.18100303 0.17718865 0.17345451 0.16979896 0.16622032 0.162717 0.15928742 0.15593004 0.15264334 0.14942582 0.14627606 0.14319262 0.14017409 0.13721915 0.13432644 0.13149464 0.1287225 0.12600875 0.12335217 0.12075155 0.11820572 0.11571352 0.11327384 0.11088555 0.10854759 0.1062589 0.104018435 0.101825185 0.09967816 0.09757637 0.09551889 0.09350477 0.091533095 0.089602984 0.087713555 0.085863955 0.08405334 0.08228089 0.080545805 0.0788473 0.07718459 0.07555694 0.073963605 0.072403856 0.07087699 0.06938232 0.06791916 0.06648684 0.06508473 0.06371218 0.062368568 0.061053287 0.059765738 0.058505334 0.05727151 0.0560637 0.05488136 0.053723946 0.052590944 0.051481828 0.0503961

</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="3.775" PeakHeight="272.062" Num="5" zHalfNm="252.714" Error="0.675">
-50.803 0.445 -0.592 0.513 -0.192
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6517.144" A="-1.10237041E11" B="3.402378E7" C="-2625.1663" Error="0.00177"/>
<QuasiParabolic ID="2" StartDistance="6517.144" EndDistance="6554.289" A="0.0" B="486.83783" C="-0.03466373" Error="0.00965"/>
<QuasiParabolic ID="3" StartDistance="6554.289" EndDistance="6589.0" A="2.79694029E10" B="-8610075.0" C="662.6182" Error="0.00965"/>
<QuasiParabolic ID="4" StartDistance="6589.0" EndDistance="6590.0" A="-8.8619195E11" B="2.68870976E8" C="-20393.768" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6590.0" EndDistance="6598.0" A="7.6850649E12" B="-2.33242086E9" C="176972.84" Error="0.0356"/>
<QuasiParabolic ID="6" StartDistance="6598.0" EndDistance="6606.0" A="1.03639836E13" B="-3.14446054E9" C="238509.64" Error="0.0214"/>
<QuasiParabolic ID="7" StartDistance="6606.0" EndDistance="6628.0" A="2.0650855E13" B="-6.2588631E9" C="474234.94" Error="0.0377"/>
<QuasiParabolic ID="8" StartDistance="6628.0" EndDistance="6642.062" A="-4.2991113E13" B="1.2945111E10" C="-974465.56" Error="0.0118"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="111.433" Depth="0.154"/>
<TopsideChapman PeakHeight="272.062" PeakDensity="176806.77" PeakScaleHeight="14.66" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
