<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-17 -076 07:05:00.000"
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: 65% PACIFIC flags: Multiple candidates for F2x cusp, F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.17 (076) 07:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" 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">
FF202607603170705001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.725" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.357" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.505" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.300" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.300" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.275" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.525" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="315.972" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.300" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.300" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="282.764" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="256.145" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.090" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.256" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.479" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.094" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="38.030" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.110" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="18">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
295.000 297.500 297.500 300.000 302.500 305.000 307.500 310.000 312.500 315.972 319.969 324.622 330.106 336.666 344.652 354.586 367.280 384.071
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
90 90 90 93 93 105 105 81 81 72 0 0 0 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 4.6875 -1.5625 -1.5625 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="504">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.423 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 178.846 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 213.269 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 282.764 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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0.051659875 0.050862733 0.050077893

</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="3.725" PeakHeight="282.764" Num="5" zHalfNm="256.145" Error="0.83">
-69.484 0.279 -0.548 0.333 -0.075
</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="6514.423" A="-1.28255877E11" B="3.9585148E7" C="-3054.2842" Error="0.00168"/>
<QuasiParabolic ID="2" StartDistance="6514.423" EndDistance="6548.846" A="0.0" B="344.5557" C="-0.012860226" Error="0.00618"/>
<QuasiParabolic ID="3" StartDistance="6548.846" EndDistance="6550.0" A="-3.89544883E12" B="1.1894071E9" C="-90791.11" Error="0.00828"/>
<QuasiParabolic ID="4" StartDistance="6550.0" EndDistance="6565.0" A="1.18879379E11" B="-3.6342012E7" C="2777.5225" Error="0.0389"/>
<QuasiParabolic ID="5" StartDistance="6565.0" EndDistance="6580.0" A="-1.42821448E10" B="4225096.5" C="-312.12766" Error="0.0128"/>
<QuasiParabolic ID="6" StartDistance="6580.0" EndDistance="6581.0" A="-1.17383417E12" B="3.56672512E8" C="-27093.846" Error="3.16E-11"/>
<QuasiParabolic ID="7" StartDistance="6581.0" EndDistance="6590.0" A="3.81318935E12" B="-1.15890982E9" C="88054.484" Error="0.0301"/>
<QuasiParabolic ID="8" StartDistance="6590.0" EndDistance="6597.0" A="3.54943133E12" B="-1.07886182E9" C="81981.04" Error="0.00851"/>
<QuasiParabolic ID="9" StartDistance="6597.0" EndDistance="6616.0" A="9.6659697E12" B="-2.93320115E9" C="222525.17" Error="0.0352"/>
<QuasiParabolic ID="10" StartDistance="6616.0" EndDistance="6635.0" A="8.5085546E12" B="-2.5833175E9" C="196082.95" Error="0.0307"/>
<QuasiParabolic ID="11" StartDistance="6635.0" EndDistance="6652.764" A="-2.3070184E13" B="6.9355187E9" C="-521237.06" Error="0.0104"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="103.269" Depth="0.154"/>
<TopsideChapman PeakHeight="282.764" PeakDensity="172154.16" PeakScaleHeight="20.094" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
