<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-08 -128 03:05:00.000"
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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.08 (128) 03:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612805080305001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.575" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.454" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="8.893" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="2.800" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.575" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="329.552" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="274.650" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="253.223" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.797" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="30.419" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.576" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.884" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="31.150" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.930" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="24">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
272.500 274.286 276.071 277.857 279.643 281.429 283.214 285.000 286.875 288.750 290.625 292.500 295.000 297.500 300.000 302.500 305.000 307.500 310.000 313.333 316.667 320.458 324.722 329.552
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
60 0 0 0 0 0 0 72 0 0 0 45 48 45 0 57 57 72 75 0 0 60 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 -10.9375 -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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="412">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.549 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 185.098 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 222.647 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 274.65 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0
</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 0.35369936 0.35321155 0.35265046 0.35186782 0.3509409 0.34987223 0.3485916 0.34710422 0.34548807 0.3436766 0.3416772 0.33949807 0.33714813 0.3345699 0.33184302 0.32884952 0.3256723 0.32226664 0.31865478 0.31480196 0.31073794 0.3063852 0.30178797 0.29696697 0.29180613 0.28629237 0.2805199 0.27442586 0.26792085 0.26105583 0.25375178 0.24595672 0.23765399 0.22886561 0.21942227 0.20936973 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 0.2 0.20369938 0.20780069 0.211902 0.2160033 0.2201046 0.22420591 0.22830723 0.23240854 0.23650984 0.24061115 0.24471246 0.24881376 0.25291508 0.2570164 0.2611177 0.265219 0.2693203 0.27342162 0.27752292 0.28162423 0.28572553 0.28982684 0.29392815 0.29802945 0.30213076 0.30623206 0.31033337 0.31443468 0.31853598 0.3226373 0.3267386 0.3308399 0.33494124 0.33904254 0.34314385 0.34724516 0.35134646 0.354 0.3651667 0.39585975 0.42622626 0.45705488 0.4888268 0.5219008 0.5565493 0.59300005 0.6314312 0.6719791 0.71472275 0.7596855 0.8068162 0.8560283 0.90715605 0.959976 1.0142529 1.0697184 1.1261182 1.1832014 1.2407435 1.2985431 1.3564293 1.4142472 1.4718809 1.52922 1.5861797 1.6426699 1.6986359 1.7539971 1.8086797 1.8626317 1.9157746 1.9680309 2.019294 2.0694752 2.1184494 2.1660926 2.212252 2.256743 2.2994 2.3399813 2.3782666 2.4139893 2.4468813 2.4766433 2.5029855 2.5256174 2.5442624 2.558667 2.5686328 2.574009 2.575 2.5748785 2.573216 2.569667 2.5643127 2.5572333 2.5485103 2.5382245 2.526456 2.5132847 2.4987886 2.4830453 2.46613 2.4481173 2.4290788 2.409085 2.3882043 2.366503 2.344045 2.3208919 2.2971034 2.2727368 2.2478473 2.2224872 2.1967075 2.170556 2.144079 2.1173203 2.0903218 2.0631227 2.035761 2.0082722 1.9806899 1.953046 1.9253705 1.8976915 1.8700356 1.8424278 1.8148915 1.7874483 1.7601187 1.7329218 1.705875 1.678995 1.6522969 1.6257945 1.599501 1.5734283 1.547587 1.5219873 1.4966382 1.4715478 1.4467237 1.4221722 1.3978995 1.3739107 1.3502103 1.3268024 1.3036903 1.2808771 1.2583649 1.2361559 1.2142513 1.1926522 1.1713593 1.150373 1.129693 1.1093193 1.0892509 1.0694872 1.0500268 1.0308684 1.0120103 0.99345094 0.97518796 0.9572194 0.93954295 0.9221561 0.90505624 0.8882407 0.8717066 0.85545117 0.8394713 0.82376397 0.808326 0.7931543 0.7782455 0.7635964 0.7492036 0.73506385 0.72117364 0.70752966 0.69412845 0.68096656 0.66804063 0.6553471 0.64288265 0.6306438 0.61862713 0.6068292 0.59524673 0.58387625 0.5727144 0.56175786 0.55100334 0.54044753 0.5300872 0.5199191 0.50994 0.5001468 0.4905363 0.48110545 0.47185114 0.46277037 0.45386013 0.44511747 0.43653947 0.42812324 0.4198659 0.4117647 0.40381685 0.39601958 0.38837025 0.38086617 0.37350473 0.3662834 0.35919955 0.35225075 0.34543455 0.33874846 0.33219016 0.32575727 0.3194475 0.31325853 0.3071882 0.30123425 0.29539457 0.28966698 0.28404942 0.27853984 0.27313623 0.26783657 0.26263893 0.2575414 0.25254205 0.24763909 0.24283066 0.23811501 0.23349036 0.22895499 0.22450721 0.22014536 0.2158678 0.21167293 0.20755917 0.20352499 0.19956887 0.1956893 0.19188485 0.18815404 0.18449551 0.18090783 0.17738968 0.17393972 0.17055662 0.16723911 0.16398594 0.16079587 0.15766767 0.15460017 0.1515922 0.14864258 0.14575024 0.14291404 0.14013292 0.1374058 0.13473164 0.1321094 0.12953813 0.1270168 0.12454446 0.12212016 0.119742975 0.11741199 0.11512632 0.11288507 0.1106874 0.10853245 0.10641941 0.10434745 0.10231579 0.10032363 0.09837023 0.096454814 0.094576664 0.092735045 0.090929255 0.089158595 0.087422386 0.08571996 0.084050655 0.08241384 0.08080887 0.07923514 0.07769203 0.07617895 0.07469533 0.07324058 0.07181415 0.07041548 0.06904404 0.0676993 0.06638073 0.06508783 0.06382011 0.06257706 0.061358217 0.0601631 0.058991253 0.057842225 0.056715567 0.055610847 0.05452764 0.053465523 0.052424088 0.051402934 0.050401665

</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="2.575" PeakHeight="274.65" Num="5" zHalfNm="253.223" Error="1.034">
-51.064 -1.774 1.319 -0.898 0.414
</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="6517.549" A="-1.07882201E11" B="3.3296974E7" C="-2569.0857" Error="0.00177"/>
<QuasiParabolic ID="2" StartDistance="6517.549" EndDistance="6555.098" A="0.0" B="3029.1304" C="-0.42472547" Error="0.0656"/>
<QuasiParabolic ID="3" StartDistance="6555.098" EndDistance="6585.0" A="-8.2354647E9" B="2410643.0" C="-176.05429" Error="0.0656"/>
<QuasiParabolic ID="4" StartDistance="6585.0" EndDistance="6592.0" A="3.99135965E11" B="-1.21316448E8" C="9218.562" Error="0.0306"/>
<QuasiParabolic ID="5" StartDistance="6592.0" EndDistance="6610.0" A="5.6441192E12" B="-1.71263411E9" C="129919.234" Error="0.0719"/>
<QuasiParabolic ID="6" StartDistance="6610.0" EndDistance="6633.0" A="5.4152706E12" B="-1.6433911E9" C="124681.484" Error="0.0495"/>
<QuasiParabolic ID="7" StartDistance="6633.0" EndDistance="6644.65" A="-1.99828491E13" B="6.0147185E9" C="-452591.94" Error="0.00998"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="112.647" Depth="0.154"/>
<TopsideChapman PeakHeight="274.65" PeakDensity="82265.82" PeakScaleHeight="15.884" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
