<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-03 -154 00:05:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 60% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.03 (154) 00:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.23" 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">
FF202615406030005001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.075" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.509" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.299" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.200" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.200" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.400" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.750" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="277.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.200" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.200" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="274.798" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="242.596" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.837" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="45.663" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.162" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="25.615" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="33.580" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="5.580" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="36">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.2 3.225 3.25 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 4.05 4.075
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
247.500 247.500 248.750 250.000 251.250 252.500 255.000 255.000 255.000 257.500 260.000 260.000 262.500 262.500 262.500 265.000 265.000 267.500 270.000 272.500 272.500 275.000 277.500 281.875 286.250 290.625 295.000 295.000 301.161 308.836 318.660 331.686 349.780 376.618 420.555 505.572
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 99 0 0 0 84 87 78 78 84 78 81 75 69 60 72 78 75 81 69 66 78 75 60 0 0 81 96 93 0 90 0 0 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 -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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="588">
<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 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 206.25 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 274.798 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0 662.0 663.0 664.0 665.0 666.0 667.0 668.0 669.0 670.0 671.0 672.0 673.0 674.0 675.0 676.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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3.2787461 3.2519712 3.225104 3.1981578 3.1711454 3.1440797 3.116972 3.0898345 3.062678 3.0355139 3.0083516 2.9812016 2.9540737 2.9269767 2.8999197 2.872911 2.845959 2.819071 2.7922552 2.7655182 2.7388668 2.712308 2.6858475 2.6594918 2.6332462 2.607116 2.5811067 2.555223 2.5294695 2.5038507 2.4783707 2.4530332 2.4278424 2.4028013 2.3779137 2.3531823 2.3286102 2.3042002 2.2799544 2.2558758 2.2319665 2.208228 2.184663 2.1612728 2.138059 2.115023 2.0921662 2.0694897 2.0469952 2.0246828 2.002554 1.980609 1.958849 1.9372741 1.915885 1.8946818 1.873665 1.8528345 1.8321906 1.8117332 1.7914623 1.7713778 1.7514793 1.7317667 1.7122395 1.6928974 1.67374 1.6547667 1.635977 1.6173702 1.5989457 1.5807028 1.5626407 1.5447587 1.5270559 1.5095314 1.4921843 1.4750139 1.4580189 1.4411986 1.4245518 1.4080776 1.3917749 1.3756424 1.3596793 1.3438843 1.3282564 1.3127942 1.2974967 1.2823626 1.2673907 1.2525799 1.237929 1.2234365 1.2091014 1.1949223 1.1808981 1.1670274 1.1533087 1.1397412 1.1263233 1.1130538 1.0999314 1.0869547 1.0741225 1.0614337 1.0488867 1.0364802 1.0242131 1.012084 1.0000916 0.98823464 0.9765118 0.96492183 0.9534635 0.9421354 0.9309364 0.9198651 0.90892035 0.8981008 0.8874052 0.87683237 0.86638105 0.85605 0.845838 0.8357438 0.8257662 0.81590396 0.8061559 0.7965209 0.78699774 0.77758515 0.76828206 0.75908726 0.74999964 0.741018 0.73214126 0.7233682 0.7146979 0.706129 0.6976606 0.6892915 0.6810206 0.6728469 0.6647693 0.6567867 0.6488981 0.6411025 0.6333988 0.62578595 0.61826307 0.610829 0.60348284 0.5962236 0.5890503 0.5819619 0.5749576 0.5680363 0.5611971 0.5544391 0.5477614 0.541163 0.53464305 0.5282007 0.52183497 0.515545 0.50933003 0.503189 0.4971213 0.4911259 0.48520204 0.47934887 0.4735656 0.46785143 0.4622055 0.45662707 0.45111537 0.44566956 0.44028893 0.4349727 0.42972013 0.42453045 0.41940296 0.41433692 0.4093316 0.40438628 0.3995003 0.39467293 0.3899035 0.38519132 0.3805357 0.375936 0.37139153 0.36690167 0.36246577 0.35808322 0.35375333 0.3494755 0.34524912 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</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="4.075" PeakHeight="274.798" Num="5" zHalfNm="242.596" Error="4.652">
-78.976 19.997 -14.293 7.685 -2.961
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" 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="-969.2761" C="0.18886894" Error="0.0189"/>
<QuasiParabolic ID="3" StartDistance="6544.167" EndDistance="6569.0" A="6.0055794E10" B="-1.8425028E7" C="1413.2125" Error="0.0189"/>
<QuasiParabolic ID="4" StartDistance="6569.0" EndDistance="6574.0" A="-6.8410237E10" B="2.0687784E7" C="-1563.8625" Error="0.00229"/>
<QuasiParabolic ID="5" StartDistance="6574.0" EndDistance="6578.0" A="1.8623601E12" B="-5.667081E8" C="43111.82" Error="0.0197"/>
<QuasiParabolic ID="6" StartDistance="6578.0" EndDistance="6590.0" A="5.7298345E12" B="-1.74258957E9" C="132491.69" Error="0.0165"/>
<QuasiParabolic ID="7" StartDistance="6590.0" EndDistance="6598.0" A="6.1752754E12" B="-1.87777664E9" C="142748.67" Error="0.0135"/>
<QuasiParabolic ID="8" StartDistance="6598.0" EndDistance="6604.0" A="2.35017318E13" B="-7.1298094E9" C="540750.56" Error="0.00254"/>
<QuasiParabolic ID="9" StartDistance="6604.0" EndDistance="6612.0" A="7.722935E13" B="-2.3401044E10" C="1772673.2" Error="0.0131"/>
<QuasiParabolic ID="10" StartDistance="6612.0" EndDistance="6621.0" A="-6.8262251E13" B="2.06073037E10" C="-1555241.9" Error="0.0197"/>
<QuasiParabolic ID="11" StartDistance="6621.0" EndDistance="6644.798" A="-1.16629596E13" B="3.51040307E9" C="-264130.12" Error="0.0119"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="96.25" Depth="0.154"/>
<TopsideChapman PeakHeight="274.798" PeakDensity="206025.12" PeakScaleHeight="25.615" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
