<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 04:40:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 50% PACIFIC flags: F2o cusp not found, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.07 (127) 04:40:00</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">
FF202612705070440001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.900" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.209" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="9.306" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.675" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.675" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.225" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="331.540" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="331.540" 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="2.800" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="352.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.675" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.675" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="301.386" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="269.466" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.777" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="45.590" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.079" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.962" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="46.110" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.030" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="10">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
331.540 335.000 337.500 342.500 347.500 352.500 362.500 375.000 392.500 425.453
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="563">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.32567 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.65134 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.977 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 301.386 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0
</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 0.350941 0.34979865 0.3485186 0.34703198 0.34541664 0.34353504 0.3415376 0.33936062 0.33694494 0.33437055 0.33151647 0.3285304 0.3252983 0.32190278 0.3182421 0.31434497 0.31018546 0.30580062 0.30112535 0.29613823 0.2909276 0.28537783 0.27949977 0.27332765 0.2667038 0.25970122 0.25226772 0.24438162 0.23593004 0.22691245 0.21731964 0.20706993 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 0.20143855 0.2055644 0.20969024 0.21381609 0.21794194 0.22206779 0.22619362 0.23031947 0.23444532 0.23857117 0.24269702 0.24682286 0.25094873 0.25507456 0.2592004 0.26332626 0.2674521 0.27157795 0.2757038 0.27982965 0.28395548 0.28808135 0.29220718 0.29633304 0.30045888 0.30458474 0.30871058 0.3128364 0.31696227 0.3210881 0.32521397 0.3293398 0.33346567 0.3375915 0.34171736 0.3458432 0.34996906 0.354 0.35446134 0.37467366 0.3952216 0.41619477 0.43766978 0.45971054 0.4823779 0.5057108 0.5297593 0.5545608 0.5801496 0.6065566 0.6338091 0.66193074 0.6909328 0.72084 0.751664 0.78339595 0.816048 0.84961146 0.8840813 0.91944045 0.95567536 0.9927604 1.030666 1.0693728 1.1088283 1.1490188 1.1898837 1.2313932 1.2734993 1.3161497 1.359301 1.402893 1.4468849 1.4912193 1.535851 1.5807183 1.6257606 1.6709372 1.7161813 1.7614397 1.8066617 1.851781 1.8967496 1.9415038 1.9859945 2.0301495 2.0739233 2.1172466 2.1600592 2.2023087 2.2439237 2.2848384 2.3250036 2.364345 2.4028013 2.4403095 2.476798 2.512205 2.5464659 2.5795074 2.611275 2.6416998 2.6707122 2.6982536 2.724266 2.7486837 2.771454 2.79252 2.8118265 2.8293276 2.844979 2.8587377 2.8705695 2.8804383 2.8883207 2.8941925 2.8980389 2.8998477 2.9 2.899815 2.8987331 2.8967068 2.8937624 2.889926 2.8852243 2.879684 2.8733318 2.866194 2.858297 2.8496673 2.840331 2.8303142 2.8196423 2.8083408 2.7964346 2.7839487 2.7709072 2.7573345 2.7432537 2.7286882 2.713661 2.698194 2.6823094 2.6660283 2.6493716 2.63236 2.6150134 2.5973508 2.5793915 2.561154 2.5426562 2.5239155 2.5049489 2.485773 2.4664037 2.4468565 2.4271464 2.4072883 2.3872957 2.367183 2.3469625 2.3266475 2.3062503 2.2857826 2.2652557 2.244681 2.2240686 2.203429 2.1827722 2.1621072 2.1414433 2.1207893 2.1001532 2.079543 2.0589669 2.0384316 2.0179446 1.997512 1.9771404 1.9568362 1.9366049 1.9164519 1.8963828 1.8764023 1.8565153 1.8367262 1.8170393 1.7974584 1.7779877 1.7586305 1.7393903 1.72027 1.701273 1.6824019 1.6636592 1.6450474 1.6265689 1.6082256 1.5900197 1.5719527 1.5540266 1.5362426 1.5186023 1.5011069 1.4837575 1.4665551 1.4495007 1.432595 1.4158387 1.3992324 1.3827767 1.3664719 1.3503183 1.3343161 1.3184657 1.3027668 1.2872196 1.2718242 1.2565801 1.2414874 1.2265457 1.2117548 1.1971141 1.1826234 1.1682822 1.1540898 1.1400459 1.1261497 1.1124005 1.0987979 1.085341 1.072029 1.0588611 1.0458368 1.0329549 1.0202147 1.0076152 0.9951555 0.9828348 0.9706521 0.9586063 0.9466965 0.93492174 0.9232809 0.91177297 0.9003969 0.88915163 0.87803614 0.8670493 0.85618997 0.8454572 0.8348497 0.82436657 0.8140065 0.8037685 0.7936514 0.78365415 0.77377546 0.76401436 0.7543697 0.74484026 0.735425 0.7261228 0.7169325 0.7078529 0.69888306 0.6900217 0.68126774 0.6726201 0.66407776 0.6556394 0.6473041 0.63907075 0.6309382 0.6229053 0.61497116 0.6071346 0.5993945 0.5917499 0.58419967 0.5767428 0.5693783 0.56210506 0.5549221 0.5478284 0.54082286 0.5339046 0.5270726 0.5203258 0.5136633 0.5070841 0.50058717 0.49417168 0.48783657 0.481581 0.47540396 0.46930456 0.4632819 0.45733503 0.45146307 0.44566518 0.4399404 0.4342879 0.42870682 0.42319632 0.4177555 0.41238356 0.40707967 0.40184298 0.3966727 0.391568 0.38652813 0.38155228 0.37663966 0.3717895 0.36700103 0.36227348 0.35760617 0.3529983 0.34844914 0.343958 0.33952412 0.33514684 0.33082545 0.32655922 0.3223475 0.31818962 0.31408486 0.31003264 0.30603224 0.30208302 0.29818437 0.29433563 0.29053622 0.28678548 0.2830828 0.27942762 0.2758193 0.27225727 0.26874092 0.26526973 0.2618431 0.25846043 0.25512123 0.25182495 0.248571 0.24535887 0.24218802 0.23905796 0.23596814 0.23291807 0.22990723 0.22693513 0.22400129 0.22110522 0.21824642 0.21542442 0.21263878 0.20988901 0.20717467 0.2044953 0.20185046 0.1992397 0.19666259 0.19411871 0.19160761 0.1891289 0.18668216 0.18426698 0.18188295 0.17952968 0.17720677 0.17491382 0.17265049 0.17041636 0.16821106 0.16603422 0.16388549 0.1617645 0.15967092 0.15760435 0.15556449 0.15355095 0.15156344 0.1496016 0.1476651 0.14575362 0.14386684 0.14200445 0.14016612 0.13835154 0.13656043 0.13479245 0.13304733 0.13132477 0.12962449 0.12794617 0.12628956 0.124654375 0.123040326 0.12144715 0.11987458 0.11832234 0.11679019 0.11527784 0.113785066 0.112311594 0.11085718 0.10942158 0.108004555 0.10660586 0.105225265 0.103862524 0.102517426 0.101189725 0.099879205 0.09858564 0.09730882 0.09604852 0.09480453 0.09357664 0.09236464 0.09116833 0.089987494 0.08882195 0.08767149 0.08653592 0.08541506 0.08430869 0.08321665 0.082138754 0.081074804 0.08002463 0.07898805 0.077964894 0.076954976 0.07595814 0.07497421 0.07400302 0.0730444 0.072098196 0.07116424 0.070242375 0.06933245 0.06843431 0.0675478 0.066672765 0.06580906 0.064956546 0.06411507 0.063284494 0.062464666 0.061655458 0.06085673 0.060068347 0.059290174 0.05852208 0.05776393 0.0570156 0.056276962 0.055547893 0.054828264 0.054117955 0.05341685 0.05272482 0.052041758 0.05136754 0.050702054 0.050045192

</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="2.9" PeakHeight="301.386" Num="5" zHalfNm="269.466" Error="0.53">
-78.833 -0.857 0.317 -0.211 0.175
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6517.326" A="-1.09172154E11" B="3.3695108E7" C="-2599.806" Error="0.00177"/>
<QuasiParabolic ID="2" StartDistance="6517.326" EndDistance="6554.651" A="0.0" B="-113.27382" C="0.05741668" Error="0.00338"/>
<QuasiParabolic ID="3" StartDistance="6554.651" EndDistance="6591.0" A="3.25132636E10" B="-9990372.0" C="767.43976" Error="0.00549"/>
<QuasiParabolic ID="4" StartDistance="6591.0" EndDistance="6594.0" A="5.4177741E12" B="-1.64411597E9" C="124733.88" Error="0.015"/>
<QuasiParabolic ID="5" StartDistance="6594.0" EndDistance="6595.0" A="-3.86956054E12" B="1.17278861E9" C="-88862.164" Error="0.0"/>
<QuasiParabolic ID="6" StartDistance="6595.0" EndDistance="6607.0" A="2.00881458E12" B="-6.0988762E8" C="46291.453" Error="0.00575"/>
<QuasiParabolic ID="7" StartDistance="6607.0" EndDistance="6633.0" A="4.37470731E12" B="-1.32606515E9" C="100489.85" Error="0.0171"/>
<QuasiParabolic ID="8" StartDistance="6633.0" EndDistance="6654.0" A="1.42500744E12" B="-4.36663776E8" C="33446.17" Error="0.018"/>
<QuasiParabolic ID="9" StartDistance="6654.0" EndDistance="6671.386" A="-1.06570763E13" B="3.19486106E9" C="-239436.67" Error="0.00637"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="111.977" Depth="0.154"/>
<TopsideChapman PeakHeight="301.386" PeakDensity="104342.43" PeakScaleHeight="23.962" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
