<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-23 -082 10:05:00.000"
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="20.0">
<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: 40% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.23 (082) 10:05:00</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">
FF202608203231005001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.900" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.793" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.588" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.175" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.175" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.825" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="230.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="230.000" 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="4.825" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="272.888" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="1.718" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.175" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.175" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="213.713" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="179.047" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.576" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="42.831" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.469" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="24.920" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="61.750" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.120" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="70">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.175 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 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 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 230.000 230.000 230.000 230.000 232.500 232.500 232.500 232.500 232.500 232.500 235.000 235.000 235.000 236.250 237.500 238.000 238.500 239.000 239.500 240.000 240.000 240.000 242.500 242.500 242.500 242.500 242.500 243.125 243.750 244.375 245.000 245.000 246.250 247.500 247.500 250.000 250.000 250.000 250.000 252.500 252.500 252.500 252.500 255.000 255.000 255.000 257.500 257.500 260.000 260.000 260.000 262.500 262.500 262.500 262.500 265.000 267.500 267.500 267.713 267.973 268.295 268.707 269.250 270.000 271.104 272.888 276.263 285.064 365.987
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 75 0 66 78 78 0 78 81 75 78 78 69 69 0 66 0 0 0 0 63 0 54 45 0 0 63 63 0 0 0 90 66 0 81 81 78 0 81 78 78 81 81 81 81 81 81 81 72 63 45 45 66 69 93 90 93 87 81 81 81 81 69 69 90 93 93 93 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-3.125 3.125 3.125 -3.125 3.125 3.125 -3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125 3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="535">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
89.849 90.0 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 120.28667 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 130.57333 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.86 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 213.713 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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2.7016401 2.6721714 2.642921 2.6138916 2.5850854 2.5565042 2.5281498 2.5000243 2.4721286 2.4444644 2.4170327 2.3898346 2.362871 2.3361423 2.3096497 2.2833931 2.2573733 2.2315903 2.2060442 2.180735 2.1556628 2.1308274 2.1062284 2.0818655 2.0577383 2.0338461 2.0101886 1.9867647 1.963574 1.9406157 1.9178888 1.8953923 1.8731253 1.8510869 1.8292757 1.8076909 1.7863309 1.7651949 1.7442814 1.7235892 1.7031168 1.6828629 1.6628262 1.6430051 1.6233983 1.6040041 1.5848212 1.5658481 1.547083 1.5285245 1.5101709 1.4920208 1.4740725 1.4563241 1.4387743 1.4214214 1.4042636 1.3872994 1.3705269 1.3539447 1.3375509 1.3213438 1.3053219 1.2894833 1.2738265 1.2583497 1.2430512 1.2279294 1.2129824 1.1982087 1.1836065 1.1691743 1.1549102 1.1408128 1.12688 1.1131107 1.0995028 1.0860548 1.0727651 1.0596321 1.046654 1.0338293 1.0211564 1.0086339 0.99625975 0.98403275 0.9719512 0.9600135 0.94821817 0.9365637 0.9250484 0.91367096 0.90242976 0.8913233 0.8803501 0.86950874 0.8587977 0.84821564 0.8377609 0.8274323 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</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="1.718" PeakHeight="110.0" Num="3" Error="0.0">
-28.586 10.477 -2.042
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="1.718" EndFrequency="4.9" PeakHeight="213.713" Num="5" zHalfNm="179.047" Error="1.819">
-61.532 -17.217 6.203 0.379 -0.686
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.83" EndDistance="6480.001" A="-1.27124007E13" B="3.92358042E9" C="-302742.47" Error="0.00653"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6490.287" A="-8.0957764E12" B="2.49869645E9" C="-192797.7" Error="3.51E-4"/>
<QuasiParabolic ID="2" StartDistance="6490.287" EndDistance="6500.573" A="0.0" B="-44009.84" C="9.248053" Error="0.004"/>
<QuasiParabolic ID="3" StartDistance="6500.573" EndDistance="6510.0" A="1.7828458E12" B="-5.5004333E8" C="42426.977" Error="0.00549"/>
<QuasiParabolic ID="4" StartDistance="6510.0" EndDistance="6513.0" A="5.2405782E13" B="-1.61024041E10" C="1236924.8" Error="0.00799"/>
<QuasiParabolic ID="5" StartDistance="6513.0" EndDistance="6535.0" A="-1.16934828E11" B="2.6174086E7" C="-1258.762" Error="0.00671"/>
<QuasiParabolic ID="6" StartDistance="6535.0" EndDistance="6576.0" A="5.2303144E12" B="-1.61032141E9" C="123951.3" Error="0.00739"/>
<QuasiParabolic ID="7" StartDistance="6576.0" EndDistance="6583.713" A="-5.4990261E13" B="1.6704939E10" C="-1268632.4" Error="0.00201"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="30.86" Depth="0.147"/>
<TopsideChapman PeakHeight="213.713" PeakDensity="297890.8" PeakScaleHeight="24.92" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
