<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-30 -089 05:55:00.000"
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" >
2026.03.30 (089) 05:55:00</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">
FF202608903300555001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.500" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.329" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.978" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.475" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.475" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.975" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="287.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="287.500" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.375" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="335.663" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.475" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.475" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="287.538" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="262.098" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.677" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="36.740" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.050" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.095" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="36.640" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.040" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="42">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
287.500 288.125 288.750 289.375 290.000 290.000 290.000 291.000 292.000 293.000 294.000 295.000 296.000 297.000 298.000 299.000 300.000 302.500 305.000 305.000 306.250 307.500 308.333 309.167 310.000 312.500 315.000 317.500 317.500 320.000 322.500 325.000 325.000 327.500 330.000 332.500 335.663 339.388 343.840 349.255 355.984 364.570
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 0 0 0 78 78 78 0 0 0 0 0 0 0 0 0 87 0 96 102 0 90 0 0 99 0 99 99 102 102 93 96 99 99 99 96 78 78 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 -10.9375 1.5625 -1.5625 -1.5625 -1.5625 -7.8125 -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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="505">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.16833 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 182.33667 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 218.505 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 287.538 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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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="4.5" PeakHeight="287.538" Num="5" zHalfNm="262.098" Error="0.547">
-68.91 -0.438 0.37 -0.239 0.184
</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="6516.168" A="-1.16234715E11" B="3.5874912E7" C="-2768.0007" Error="0.00176"/>
<QuasiParabolic ID="2" StartDistance="6516.168" EndDistance="6552.337" A="0.0" B="-613.22894" C="0.13414423" Error="0.0139"/>
<QuasiParabolic ID="3" StartDistance="6552.337" EndDistance="6583.0" A="4.3105608E10" B="-1.3223499E7" C="1014.15765" Error="0.0139"/>
<QuasiParabolic ID="4" StartDistance="6583.0" EndDistance="6586.0" A="-5.28176054E11" B="1.60339216E8" C="-12168.488" Error="0.00727"/>
<QuasiParabolic ID="5" StartDistance="6586.0" EndDistance="6599.0" A="4.4476772E12" B="-1.35070042E9" C="102547.55" Error="0.036"/>
<QuasiParabolic ID="6" StartDistance="6599.0" EndDistance="6603.0" A="7.4235689E12" B="-2.25262234E9" C="170885.33" Error="0.00725"/>
<QuasiParabolic ID="7" StartDistance="6603.0" EndDistance="6621.0" A="1.45940158E13" B="-4.4244977E9" C="335346.6" Error="0.0346"/>
<QuasiParabolic ID="8" StartDistance="6621.0" EndDistance="6642.0" A="1.19785338E13" B="-3.63444122E9" C="275683.66" Error="0.0326"/>
<QuasiParabolic ID="9" StartDistance="6642.0" EndDistance="6657.538" A="-3.9181674E13" B="1.17706189E10" C="-883986.7" Error="0.00973"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="108.505" Depth="0.154"/>
<TopsideChapman PeakHeight="287.538" PeakDensity="251240.69" PeakScaleHeight="19.095" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
