<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-24 -083 04:15:00.000"
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: 45% PACIFIC flags: F2o cusp not found, 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" >
2026.03.24 (083) 04:15:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608303240415001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.325" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.285" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.923" 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="3.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="295.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="295.000" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.300" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="355.000" 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="292.917" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="265.576" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.943" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="39.218" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.204" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.238" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="40.310" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.860" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="27">
<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 2.925 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
295.000 297.500 297.500 297.500 300.000 302.500 305.125 307.750 310.375 313.000 315.625 318.250 320.875 323.500 326.125 328.750 331.375 334.000 336.625 339.250 341.875 344.500 347.125 349.750 352.375 355.000 361.983
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 0 69 0 45 48 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90 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 -10.9375 -10.9375 -4.6875 -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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="509">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.97366 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 183.94733 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 220.921 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 292.917 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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3.1910555 3.17324 3.1545794 3.1351187 3.1149013 3.09397 3.0723667 3.0501318 3.0273046 3.0039241 2.9800272 2.9556503 2.9308286 2.905596 2.8799856 2.8540292 2.8277571 2.8011994 2.7743845 2.7473397 2.7200913 2.692665 2.6650853 2.637375 2.6095572 2.5816529 2.5536826 2.525666 2.4976218 2.469568 2.4415214 2.4134984 2.385514 2.3575835 2.3297203 2.3019378 2.2742484 2.2466636 2.2191951 2.191853 2.1646476 2.137588 2.1106827 2.0839405 2.0573688 2.0309746 2.0047648 1.9787458 1.9529232 1.9273025 1.9018886 1.8766861 1.8516994 1.826932 1.8023876 1.7780694 1.7539803 1.7301228 1.7064991 1.6831114 1.6599613 1.6370505 1.6143801 1.5919513 1.5697646 1.5478212 1.526121 1.5046647 1.4834522 1.4624834 1.4417582 1.4212761 1.4010369 1.3810395 1.3612837 1.3417681 1.3224922 1.3034546 1.2846544 1.2660902 1.2477605 1.2296643 1.2117997 1.1941656 1.1767598 1.1595812 1.1426277 1.1258978 1.1093893 1.0931008 1.0770301 1.0611752 1.0455344 1.0301056 1.0148866 0.99987566 0.9850705 0.9704692 0.95606947 0.9418693 0.92786664 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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="3.325" PeakHeight="292.917" Num="5" zHalfNm="265.576" Error="1.535">
-70.05 -3.64 2.506 -1.522 0.71
</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="6516.974" A="-1.1124061E11" B="3.433352E7" C="-2649.0662" Error="0.00188"/>
<QuasiParabolic ID="2" StartDistance="6516.974" EndDistance="6553.947" A="0.0" B="308.6045" C="-0.0073114736" Error="0.00562"/>
<QuasiParabolic ID="3" StartDistance="6553.947" EndDistance="6556.0" A="-1.23199121E12" B="3.75782016E8" C="-28655.217" Error="0.0354"/>
<QuasiParabolic ID="4" StartDistance="6556.0" EndDistance="6585.0" A="5.9201815E10" B="-1.8114572E7" C="1385.707" Error="0.0388"/>
<QuasiParabolic ID="5" StartDistance="6585.0" EndDistance="6590.0" A="-1.25758767E11" B="3.806176E7" C="-2879.77" Error="0.00175"/>
<QuasiParabolic ID="6" StartDistance="6590.0" EndDistance="6592.0" A="9.0606068E12" B="-2.7499095E9" C="208650.69" Error="0.0187"/>
<QuasiParabolic ID="7" StartDistance="6592.0" EndDistance="6597.0" A="8.1389185E11" B="-2.47872272E8" C="18872.365" Error="0.0112"/>
<QuasiParabolic ID="8" StartDistance="6597.0" EndDistance="6599.0" A="1.77421681E12" B="-5.3901216E8" C="40938.45" Error="0.00746"/>
<QuasiParabolic ID="9" StartDistance="6599.0" EndDistance="6646.0" A="5.6425715E12" B="-1.71141862E9" C="129770.58" Error="0.0371"/>
<QuasiParabolic ID="10" StartDistance="6646.0" EndDistance="6658.0" A="-1.44562413E13" B="4.3369754E9" C="-325269.6" Error="0.00608"/>
<QuasiParabolic ID="11" StartDistance="6658.0" EndDistance="6662.917" A="-2.50016526E13" B="7.5047168E9" C="-563159.44" Error="1.47E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="110.921" Depth="0.154"/>
<TopsideChapman PeakHeight="292.917" PeakDensity="137166.56" PeakScaleHeight="20.238" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
