<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-13 -133 01:25:00.000"
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: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, Trace overlaps while constructing baseline</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.13 (133) 01:25:00</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">
FF202613305130125001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.350" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.408" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.417" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.750" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="285.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="285.000" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.100" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="295.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="284.551" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="260.118" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.433" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="35.036" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.107" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="18.465" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="35.150" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.080" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="17">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225 3.25 3.275 3.3 3.325 3.35
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
285.000 285.000 287.500 287.500 290.000 292.500 295.000 302.500 307.500 317.500 352.500 353.434 354.743 356.711 360.000 366.617 386.776
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 66 72 90 90 102 102 99 99 96 78 87 87 105 102 99 90
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="474">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.99 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 183.98 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 220.97 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 284.551 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0
</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 0.35257575 0.35179353 0.35086703 0.34972522 0.34844583 0.34688744 0.3452737 0.34339392 0.34132844 0.33908567 0.33660686 0.3339721 0.3311265 0.32808524 0.3248018 0.3212369 0.31753704 0.31354836 0.30930695 0.30485034 0.30006346 0.29503098 0.28969476 0.28404504 0.2780125 0.27165115 0.2648289 0.25764325 0.25001568 0.24185881 0.23323362 0.22395156 0.2140809 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 0.20008327 0.20424655 0.20840985 0.21257313 0.21673642 0.2208997 0.225063 0.22922628 0.23338957 0.23755285 0.24171615 0.24587943 0.2500427 0.254206 0.2583693 0.26253256 0.26669586 0.27085915 0.27502245 0.2791857 0.283349 0.2875123 0.2916756 0.29583886 0.30000216 0.30416545 0.30832875 0.312492 0.3166553 0.3208186 0.3249819 0.32914516 0.33330846 0.33747175 0.34163505 0.3457983 0.3499616 0.354 0.35488003 0.38408354 0.41329646 0.44284344 0.47293037 0.5037376 0.53539306 0.56801164 0.60170084 0.6365442 0.672633 0.7100445 0.7488567 0.7891324 0.8309337 0.8743349 0.9193824 0.9661136 1.0145836 1.064812 1.1168194 1.1706163 1.2262017 1.2835451 1.3426195 1.4033822 1.4657586 1.529651 1.594967 1.6615815 1.7293388 1.798111 1.8676945 1.9379127 2.0085645 2.079427 2.1503074 2.2209496 2.2911537 2.3606598 2.4292717 2.4967499 2.5628762 2.627433 2.6902122 2.7510405 2.8097153 2.8660555 2.9199026 2.9711053 3.0195193 3.0650148 3.1074653 3.1467676 3.1828208 3.215529 3.2448215 3.2706282 3.2928789 3.3115346 3.326546 3.3378823 3.3455172 3.3494341 3.35 3.3498075 3.3480186 3.3444057 3.3390355 3.3319752 3.3232915 3.3130517 3.3013227 3.288171 3.2736623 3.257862 3.240834 3.2226417 3.2033472 3.1830113 3.1616936 3.1394522 3.1163442 3.0924246 3.067747 3.0423641 3.0163262 2.9896822 2.9624798 2.9347644 2.9065804 2.8779702 2.848975 2.8196337 2.7899842 2.7600632 2.729905 2.6995425 2.669008 2.6383317 2.6075425 2.5766678 2.545734 2.5147657 2.4837873 2.4528205 2.421887 2.3910065 2.3601987 2.329481 2.2988706 2.2683833 2.2380342 2.2078373 2.1778057 2.1479518 2.1182873 2.0888226 2.059568 2.0305321 2.0017245 1.9731522 1.9448229 1.9167434 1.8889195 1.861357 1.8340609 1.8070357 1.7802855 1.753814 1.7276244 1.7017195 1.6761018 1.6507732 1.6257355 1.6009903 1.5765384 1.5523808 1.528518 1.5049502 1.4816775 1.4586997 1.4360163 1.4136268 1.3915304 1.3697261 1.3482126 1.3269888 1.3060533 1.2854042 1.2650402 1.2449591 1.2251592 1.2056384 1.1863946 1.1674255 1.148729 1.1303025 1.1121438 1.0942502 1.0766194 1.0592486 1.0421354 1.0252768 1.0086703 0.9923132 0.9762027 0.960336 0.9447103 0.92932284 0.9141707 0.8992511 0.8845612 0.8700981 0.85585904 0.8418411 0.8280415 0.81445736 0.8010859 0.78792423 0.7749696 0.76221913 0.74967015 0.7373199 0.7251655 0.71320426 0.7014336 0.6898506 0.67845285 0.66723746 0.65620196 0.64534366 0.63465995 0.62414837 0.61380637 0.6036314 0.59362096 0.5837726 0.5740839 0.56455255 0.5551761 0.5459521 0.53687835 0.5279525 0.5191724 0.5105356 0.50204 0.49368346 0.48546377 0.47737882 0.46942648 0.46160468 0.4539114 0.44634458 0.43890226 0.43158245 0.42438322 0.41730267 0.4103389 0.40349007 0.39675432 0.39012986 0.3836149 0.3772077 0.3709065 0.36470962 0.35861537 0.35262212 0.3467282 0.340932 0.33523202 0.3296266 0.32411423 0.31869343 0.31336272 0.30812055 0.30296558 0.29789633 0.29291138 0.2880094 0.28318903 0.2784489 0.2737877 0.2692042 0.26469702 0.26026496 0.25590682 0.25162134 0.2474073 0.24326357 0.23918898 0.23518237 0.23124266 0.2273687 0.22355942 0.21981376 0.21613066 0.2125091 0.20894802 0.20544647 0.20200342 0.19861792 0.19528902 0.19201578 0.18879727 0.18563257 0.18252082 0.1794611 0.17645259 0.1734944 0.1705857 0.16772568 0.16491352 0.16214843 0.15942962 0.15675634 0.15412779 0.15154326 0.149002 0.1465033 0.14404644 0.14163074 0.13925548 0.13692002 0.13462368 0.1323658 0.13014574 0.12796287 0.1258166 0.123706274 0.12163131 0.11959112 0.117585115 0.11561274 0.11367341 0.111766584 0.10989172 0.10804829 0.10623575 0.1044536 0.10270132 0.10097842 0.0992844 0.09761879 0.09598109 0.094370864 0.09278762 0.09123094 0.089700356 0.088195436 0.08671575 0.08526088 0.08383041 0.082423925 0.08104102 0.07968132 0.07834442 0.077029936 0.075737506 0.07446675 0.07321731 0.07198882 0.07078094 0.06959332 0.06842562 0.067277506 0.06614865 0.06503873 0.06394743 0.06287444 0.061819445 0.06078215 0.059762254 0.058759466 0.057773504 0.05680408 0.055850923 0.05491375 0.053992305 0.053086318 0.05219553 0.051319685 0.050458536

</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="3.35" PeakHeight="284.551" Num="5" zHalfNm="260.118" Error="2.878">
-62.988 -0.547 -0.612 0.531 0.035
</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="6516.99" A="-1.11142273E11" B="3.4303172E7" C="-2646.7244" Error="0.00189"/>
<QuasiParabolic ID="2" StartDistance="6516.99" EndDistance="6553.98" A="0.0" B="-2604.4375" C="0.4396826" Error="0.0575"/>
<QuasiParabolic ID="3" StartDistance="6553.98" EndDistance="6589.0" A="6.2187094E10" B="-1.9021148E7" C="1454.5326" Error="0.0575"/>
<QuasiParabolic ID="4" StartDistance="6589.0" EndDistance="6591.0" A="3.99512332E12" B="-1.2128096E9" C="92044.04" Error="0.0169"/>
<QuasiParabolic ID="5" StartDistance="6591.0" EndDistance="6603.0" A="3.5335496E12" B="-1.07274784E9" C="81418.805" Error="0.0659"/>
<QuasiParabolic ID="6" StartDistance="6603.0" EndDistance="6638.0" A="8.8074543E12" B="-2.67017472E9" C="202381.02" Error="0.0459"/>
<QuasiParabolic ID="7" StartDistance="6638.0" EndDistance="6654.551" A="-2.20553617E13" B="6.6286546E9" C="-498043.03" Error="0.0107"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="110.97" Depth="0.154"/>
<TopsideChapman PeakHeight="284.551" PeakDensity="139236.97" PeakScaleHeight="18.465" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
