<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-13 -103 03:10:00.000"
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" >
2026.04.13 (103) 03:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610304130310001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.275" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.230" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.580" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.575" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="324.821" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="324.821" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.050" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="327.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="301.563" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="270.449" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.612" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="44.579" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.336" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.354" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="44.860" 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="11">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225 3.25 3.275
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
324.821 327.500 332.500 337.500 345.000 350.000 360.000 370.000 385.000 405.000 433.130
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 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" >
1.5625 -1.5625 -7.8125 -1.5625 1.5625 4.6875 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="563">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.346 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.692 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 222.038 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 301.563 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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3.2521203 3.2447565 3.2364593 3.227261 3.217194 3.2062895 3.1945798 3.1820955 3.168868 3.1549277 3.1403043 3.1250281 3.1091278 3.0926318 3.075569 3.0579662 3.0398507 3.021249 3.002187 2.9826896 2.9627817 2.9424872 2.9218297 2.9008317 2.8795156 2.857903 2.8360145 2.8138707 2.791491 2.768895 2.746101 2.7231264 2.6999893 2.6767058 2.6532927 2.629765 2.606138 2.5824263 2.5586438 2.5348039 2.5109196 2.487003 2.4630668 2.4391217 2.4151793 2.3912497 2.367343 2.3434691 2.3196373 2.2958562 2.2721345 2.2484798 2.2249002 2.201403 2.1779947 2.1546824 2.131472 2.1083698 2.0853813 2.0625117 2.039766 2.0171492 1.9946655 1.9723194 1.9501147 1.9280552 1.9061441 1.8843851 1.862781 1.8413346 1.8200486 1.7989253 1.777967 1.7571757 1.7365534 1.7161016 1.6958221 1.6757162 1.655785 1.6360297 1.6164514 1.5970507 1.5778284 1.5587851 1.5399214 1.5212374 1.5027336 1.48441 1.4662669 1.448304 1.4305214 1.4129187 1.3954959 1.3782525 1.361188 1.3443022 1.3275943 1.3110638 1.2947099 1.2785321 1.2625296 1.2467015 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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="3.275" PeakHeight="301.563" Num="5" zHalfNm="270.449" Error="0.973">
-78.995 -0.8 0.236 -0.194 0.228
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="13" 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="6517.346" A="-1.09054411E11" B="3.3658768E7" C="-2597.002" Error="0.00177"/>
<QuasiParabolic ID="2" StartDistance="6517.346" EndDistance="6554.692" A="0.0" B="42.836266" C="0.033464797" Error="9.36E-4"/>
<QuasiParabolic ID="3" StartDistance="6554.692" EndDistance="6555.0" A="-1.3378627E13" B="4.08191744E9" C="-311355.7" Error="0.0"/>
<QuasiParabolic ID="4" StartDistance="6555.0" EndDistance="6561.0" A="1.6428961E11" B="-5.0170212E7" C="3830.2415" Error="0.0196"/>
<QuasiParabolic ID="5" StartDistance="6561.0" EndDistance="6590.0" A="2.01719828E10" B="-6238610.0" C="482.30627" Error="0.0154"/>
<QuasiParabolic ID="6" StartDistance="6590.0" EndDistance="6591.0" A="-7.5871276E11" B="2.30145216E8" C="-17452.734" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6591.0" EndDistance="6594.0" A="6.3433967E12" B="-1.92494797E9" C="146034.83" Error="0.014"/>
<QuasiParabolic ID="8" StartDistance="6594.0" EndDistance="6596.0" A="-1.7600723E12" B="5.32883168E8" C="-40333.914" Error="0.0124"/>
<QuasiParabolic ID="9" StartDistance="6596.0" EndDistance="6608.0" A="2.50298132E12" B="-7.5973466E8" C="57651.066" Error="0.00768"/>
<QuasiParabolic ID="10" StartDistance="6608.0" EndDistance="6638.0" A="5.8156127E12" B="-1.76234714E9" C="133514.6" Error="0.0191"/>
<QuasiParabolic ID="11" StartDistance="6638.0" EndDistance="6656.0" A="3.42096589E10" B="-2.0435968E7" C="2307.0671" Error="0.0118"/>
<QuasiParabolic ID="12" StartDistance="6656.0" EndDistance="6671.563" A="-1.44899519E13" B="4.3437952E9" C="-325534.8" Error="0.00445"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="112.038" Depth="0.154"/>
<TopsideChapman PeakHeight="301.563" PeakDensity="133072.27" PeakScaleHeight="23.354" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
