<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-24 -083 03:20:00.000"
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="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: F2x 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" >
2026.03.24 (083) 03:20:00</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">
FF202608303240320001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.389" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.013" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.550" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="305.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="305.000" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.175" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="328.333" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="281.046" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="257.880" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.098" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="33.205" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.983" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.286" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="33.820" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.940" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="11">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225 3.25
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
305.000 308.333 311.667 315.000 317.500 320.000 324.167 328.333 332.500 337.799 343.907
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
93 0 0 93 93 93 0 0 90 93 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="451">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.05566 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.11133 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.167 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 281.046 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0
</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 0.34972504 0.34844565 0.34695974 0.34527344 0.34339368 0.3413282 0.33908543 0.33667454 0.33403847 0.33119148 0.3281487 0.32486364 0.32135794 0.3176544 0.31371918 0.30947137 0.30500805 0.30026525 0.2952226 0.28996864 0.28430167 0.27833304 0.27194554 0.26523578 0.25806877 0.25049827 0.24236134 0.23375669 0.2245593 0.214726 0.20417045 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 0.20369321 0.20784913 0.21200503 0.21616095 0.22031686 0.22447276 0.22862868 0.23278458 0.23694049 0.2410964 0.24525231 0.24940823 0.25356412 0.25772005 0.26187596 0.26603186 0.27018777 0.27434367 0.2784996 0.2826555 0.2868114 0.29096732 0.29512322 0.29927915 0.30343506 0.30759096 0.31174687 0.31590277 0.32005867 0.3242146 0.3283705 0.33252642 0.33668232 0.34083822 0.34499416 0.34915006 0.35330597 0.354 0.3786522 0.40836856 0.43866083 0.46987423 0.50225234 0.5359986 0.5712819 0.60824734 0.6470104 0.68767214 0.73030853 0.77495563 0.82165354 0.87037903 0.9211043 0.97376883 1.0282729 1.0845228 1.1423887 1.2017312 1.262411 1.3242805 1.3871846 1.450983 1.5155473 1.5807322 1.6464092 1.7124629 1.7787752 1.8452358 1.9117379 1.9781753 2.0444484 2.1104598 2.1760995 2.241252 2.3058226 2.3696887 2.4327273 2.494806 2.5557761 2.61551 2.6738317 2.7305818 2.7855623 2.8385854 2.8894472 2.9379163 2.9837744 3.0267859 3.066704 3.1032872 3.136294 3.165484 3.1906493 3.2115836 3.2281094 3.2400835 3.2474022 3.249995 3.25 3.2490444 3.2460408 3.241065 3.2341962 3.225514 3.2150974 3.2030256 3.1893773 3.1742303 3.1576617 3.1397471 3.120561 3.1001763 3.0786648 3.0560958 3.032538 3.0080566 2.9827168 2.9565802 2.9297075 2.9021566 2.873984 2.845244 2.8159883 2.7862673 2.756129 2.7256193 2.6947827 2.6636612 2.632295 2.6007223 2.56898 2.5371027 2.5051234 2.4730735 2.4409826 2.408879 2.376789 2.3447382 2.3127496 2.2808459 2.2490478 2.2173748 2.1858456 2.1544774 2.123286 2.0922863 2.0614927 2.0309176 2.0005734 1.9704709 1.9406203 1.911031 1.8817116 1.8526697 1.8239126 1.7954466 1.7672776 1.7394106 1.7118503 1.6846006 1.657665 1.6310467 1.6047479 1.5787711 1.5531178 1.5277894 1.5027866 1.4781103 1.4537606 1.4297376 1.4060408 1.3826697 1.3596236 1.3369013 1.3145015 1.2924229 1.2706637 1.249222 1.228096 1.2072835 1.186782 1.1665894 1.1467029 1.12712 1.107838 1.0888541 1.0701653 1.0517687 1.0336611 1.0158397 0.99830127 0.98104244 0.9640602 0.94735116 0.930912 0.9147396 0.8988305 0.8831813 0.86778873 0.85264945 0.83776003 0.82311714 0.8087174 0.79455745 0.780634 0.76694363 0.75348306 0.7402489 0.727238 0.714447 0.7018727 0.68951184 0.6773612 0.6654176 0.6536779 0.642139 0.63079774 0.61965114 0.6086961 0.5979296 0.5873487 0.5769505 0.566732 0.55669034 0.5468227 0.53712636 0.5275984 0.5182361 0.50903684 0.4999979 0.49111664 0.48239046 0.4738168 0.46539313 0.45711693 0.44898576 0.44099718 0.43314883 0.4254383 0.4178633 0.41042155 0.40311077 0.39592874 0.38887325 0.38194218 0.37513342 0.36844483 0.36187437 0.35542002 0.3490798 0.3428517 0.33673382 0.33072424 0.3248211 0.31902257 0.31332684 0.30773208 0.3022366 0.29683858 0.29153642 0.28632843 0.28121293 0.2761883 0.27125302 0.26640546 0.2616441 0.25696746 0.252374 0.24786231 0.24343093 0.23907846 0.2348035 0.23060468 0.22648068 0.22243017 0.21845186 0.21454446 0.21070674 0.20693745 0.20323539 0.19959939 0.19602823 0.19252081 0.18907599 0.18569267 0.18236972 0.17910612 0.17590079 0.1727527 0.16966082 0.16662419 0.1636418 0.16071269 0.15783592 0.15501055 0.15223569 0.14951041 0.14683384 0.14420512 0.1416234 0.13908783 0.1365976 0.13415189 0.13174993 0.12939091 0.1270741 0.12479871 0.12256402 0.12036931 0.118213855 0.116096966 0.11401795 0.11197613 0.109970845 0.10800143 0.10606727 0.10416772 0.10230216 0.100469984 0.0986706 0.09690343 0.095167875 0.0934634 0.091789424 0.09014541 0.08853083 0.086945154 0.08538786 0.08385845 0.082356416 0.080881275 0.07943255 0.078009754 0.076612435 0.07524014 0.073892415 0.07256882 0.07126892 0.069992304 0.06873854 0.06750724 0.06629798 0.06511038 0.06394404 0.06279859 0.061673656 0.060568865 0.059483863 0.058418293 0.057371803 0.056344055 0.055334717 0.054343455 0.053369947 0.052413873 0.05147493 0.050552797

</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="3.25" PeakHeight="281.046" Num="5" zHalfNm="257.88" Error="0.697">
-58.921 -1.745 1.143 -0.662 0.306
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6517.056" A="-1.10762009E11" B="3.4185804E7" C="-2637.6682" Error="0.00178"/>
<QuasiParabolic ID="2" StartDistance="6517.056" EndDistance="6554.111" A="0.0" B="39.743454" C="0.033936106" Error="8.62E-4"/>
<QuasiParabolic ID="3" StartDistance="6554.111" EndDistance="6555.0" A="-4.66031E12" B="1.42185408E9" C="-108451.39" Error="0.0"/>
<QuasiParabolic ID="4" StartDistance="6555.0" EndDistance="6590.0" A="4.9771078E10" B="-1.5241533E7" C="1166.8916" Error="0.04"/>
<QuasiParabolic ID="5" StartDistance="6590.0" EndDistance="6592.0" A="7.7103481E12" B="-2.34015104E9" C="177563.67" Error="0.0279"/>
<QuasiParabolic ID="6" StartDistance="6592.0" EndDistance="6594.0" A="3.48235104E12" B="-1.05738502E9" C="80266.484" Error="0.0104"/>
<QuasiParabolic ID="7" StartDistance="6594.0" EndDistance="6604.0" A="4.2942443E12" B="-1.30363712E9" C="98938.92" Error="0.0335"/>
<QuasiParabolic ID="8" StartDistance="6604.0" EndDistance="6629.0" A="9.5907951E12" B="-2.90768026E9" C="220383.75" Error="0.0148"/>
<QuasiParabolic ID="9" StartDistance="6629.0" EndDistance="6642.0" A="-4.37745877E12" B="1.30660646E9" C="-97483.72" Error="0.00583"/>
<QuasiParabolic ID="10" StartDistance="6642.0" EndDistance="6651.046" A="-2.81000878E13" B="8.4498253E9" C="-635214.7" Error="0.00218"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="111.167" Depth="0.154"/>
<TopsideChapman PeakHeight="281.046" PeakDensity="131048.39" PeakScaleHeight="17.286" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
