<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-02 -153 23:10:00.000"
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: 75% PACIFIC flags: Multiple candidates for F2o cusp, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.02 (153) 23:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="73.46457" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202615306022310001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.025" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.528" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.202" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.275" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.275" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.350" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.800" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="288.557" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.275" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.275" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="261.374" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="239.461" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.206" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="31.428" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.422" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.679" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="30.210" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.410" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="31">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
247.500 248.750 250.000 251.250 252.500 255.000 255.000 255.000 257.500 262.500 262.500 267.500 270.000 271.250 272.500 275.000 277.500 280.000 281.741 283.713 285.963 288.557 291.579 295.144 299.413 304.618 311.105 319.413 330.435 345.759 368.517
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
84 0 0 0 84 90 81 81 81 78 78 72 72 69 72 69 72 72 69 0 0 54 84 81 84 78 0 90 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 -10.9375 -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="434">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.08333 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.16667 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 206.25 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 261.374 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0
</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 0.35354906 0.35298675 0.3521277 0.3511249 0.34983355 0.34833378 0.34655926 0.3445913 0.34229675 0.3398302 0.33706498 0.33401984 0.33071515 0.327109 0.32322994 0.31904808 0.31454307 0.3097052 0.30453598 0.29904887 0.29310012 0.2867813 0.2800439 0.2727352 0.26502842 0.25670934 0.24776544 0.23820302 0.22786881 0.21668318 0.20459439 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 0.204 0.2088 0.2136 0.2184 0.2232 0.228 0.2328 0.2376 0.2424 0.2472 0.252 0.2568 0.2616 0.2664 0.2712 0.276 0.2808 0.2856 0.2904 0.2952 0.3 0.3048 0.3096 0.3144 0.3192 0.324 0.3288 0.3336 0.3384 0.3432 0.348 0.3528 0.354 0.3793048 0.4151715 0.45330864 0.49359754 0.5359511 0.5803654 0.62684906 0.67546 0.7262696 0.77938527 0.83493894 0.8930465 0.95385903 1.0175209 1.0841769 1.1539998 1.2271264 1.3036841 1.3837838 1.4675107 1.5549054 1.6459284 1.7405126 1.8384824 1.9395574 2.0433905 2.149492 2.2573245 2.3662264 2.4754934 2.584372 2.6921291 2.7980697 2.9015245 3.0018961 3.0986707 3.1914506 3.279873 3.3636677 3.442661 3.5167153 3.5857265 3.6496441 3.7084653 3.762184 3.8108122 3.854378 3.8929095 3.9264562 3.9550438 3.9787068 3.9974797 4.0113845 4.020441 4.024662 4.025 4.024451 4.021341 4.015579 4.0072756 3.9965382 3.983477 3.9682014 3.9508195 3.9314387 3.9101653 3.8871036 3.8623562 3.8360238 3.8082044 3.778994 3.7484858 3.7167706 3.683936 3.6500673 3.6152465 3.5795531 3.5430632 3.5058506 3.4679856 3.4295359 3.390566 3.3511384 3.3113115 3.2711422 3.2306843 3.1899886 3.1491034 3.1080751 3.0669472 3.0257607 2.9845548 2.943366 2.902229 2.8611765 2.820239 2.779445 2.7388213 2.6983933 2.658184 2.6182156 2.578508 2.5390797 2.4999487 2.4611306 2.42264 2.384491 2.3466952 2.3092644 2.2722085 2.2355368 2.1992576 2.163378 2.127905 2.0928438 2.0582 2.023977 1.9901794 1.9568095 1.9238698 1.8913623 1.8592882 1.8276482 1.7964427 1.7656717 1.7353348 1.7054307 1.6759588 1.646917 1.6183038 1.590117 1.5623541 1.5350126 1.5080897 1.4815822 1.4554869 1.4298004 1.4045192 1.3796395 1.3551576 1.3310694 1.3073707 1.2840576 1.2611258 1.2385708 1.2163885 1.1945741 1.1731235 1.1520319 1.1312947 1.1109076 1.0908657 1.0711645 1.0517994 1.0327656 1.0140587 0.99567384 0.9776065 0.959852 0.9424058 0.9252634 0.90842015 0.8918715 0.87561303 0.8596403 0.8439488 0.8285341 0.8133919 0.798518 0.7839079 0.76955754 0.7554626 0.741619 0.7280226 0.71466935 0.7015552 0.6886763 0.6760286 0.6636084 0.65141165 0.63943475 0.6276739 0.61612546 0.60478586 0.5936514 0.5827187 0.5719842 0.5614444 0.55109614 0.54093593 0.5309605 0.52116674 0.5115514 0.5021113 0.49284345 0.48374477 0.4748123 0.46604306 0.4574342 0.44898286 0.44068623 0.43254158 0.42454618 0.41669735 0.40899253 0.4014291 0.39400446 0.38671625 0.3795619 0.37253907 0.36564538 0.35887846 0.35223606 0.34571594 0.33931583 0.33303362 0.3268671 0.32081425 0.31487295 0.3090412 0.30331698 0.29769838 0.29218343 0.28677022 0.28145698 0.2762418 0.27112293 0.26609862 0.2611671 0.2563267 0.25157577 0.24691263 0.24233569 0.23784336 0.23343411 0.2291064 0.22485872 0.22068962 0.21659766 0.21258141 0.20863947 0.20477049 0.20097312 0.19724606 0.19358797 0.18999763 0.18647376 0.18301515 0.1796206 0.1762889 0.17301893 0.16980954 0.16665958 0.16356799 0.16053368 0.15755561 0.1546327 0.15176398 0.14894842 0.14618503 0.14347287 0.14081098 0.13819844 0.13563432 0.13311774 0.13064781 0.12822367 0.1258445 0.12350942 0.121217646 0.118968375 0.116760805 0.11459418 0.112467736 0.110380724 0.10833242 0.10632211 0.10434908 0.10241265 0.10051214 0.09864688 0.09681621 0.09501951 0.09325614 0.09152548 0.08982693 0.08815988 0.086523764 0.084918 0.08334203 0.0817953 0.080277264 0.07878739 0.077325165 0.075890064 0.07448159 0.073099256 0.07174257 0.07041106 0.069104254 0.0678217 0.066562936 0.06532753 0.06411506 0.062925085 0.06175719 0.060610965 0.059486017 0.058381937 0.05729835 0.056234874 0.055191133 0.05416676 0.053161398 0.05217469 0.0512063 0.05025588

</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="4.025" PeakHeight="261.374" Num="5" zHalfNm="239.461" Error="1.621">
-56.884 3.066 -2.243 1.204 -0.267
</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="6512.083" A="-1.47549225E11" B="4.5539884E7" C="-3513.7546" Error="0.00163"/>
<QuasiParabolic ID="2" StartDistance="6512.083" EndDistance="6544.167" A="0.0" B="1426.293" C="-0.17899632" Error="0.0262"/>
<QuasiParabolic ID="3" StartDistance="6544.167" EndDistance="6575.0" A="2.33980887E10" B="-7246755.0" C="561.049" Error="0.0262"/>
<QuasiParabolic ID="4" StartDistance="6575.0" EndDistance="6578.0" A="9.0653967E12" B="-2.75766451E9" C="209718.3" Error="0.0248"/>
<QuasiParabolic ID="5" StartDistance="6578.0" EndDistance="6580.0" A="2.76132423E12" B="-8.4095059E8" C="64027.055" Error="0.00167"/>
<QuasiParabolic ID="6" StartDistance="6580.0" EndDistance="6591.0" A="8.1651219E12" B="-2.48344218E9" C="188836.44" Error="0.0336"/>
<QuasiParabolic ID="7" StartDistance="6591.0" EndDistance="6613.0" A="2.33461399E13" B="-7.0900321E9" C="538297.06" Error="0.0343"/>
<QuasiParabolic ID="8" StartDistance="6613.0" EndDistance="6631.374" A="-3.50272367E13" B="1.0564096E10" C="-796507.75" Error="0.0131"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="96.25" Depth="0.154"/>
<TopsideChapman PeakHeight="261.374" PeakDensity="201000.31" PeakScaleHeight="16.679" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
