<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-29 -088 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" >
2026.03.29 (088) 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">
FF202608803291005001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="6.150" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.837" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="23.596" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="4.550" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="4.550" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="7.350" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="240.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="240.000" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="6.125" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="273.171" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="1.663" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="4.550" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="4.550" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="213.132" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="180.120" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.576" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="41.872" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="4.761" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.017" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="54.610" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.180" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="65">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05 6.075 6.1 6.125 6.15
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
240.000 240.000 240.000 242.500 242.500 242.500 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.000 247.500 247.500 247.500 247.500 247.500 248.750 250.000 250.000 250.000 250.000 252.500 252.500 255.000 255.000 255.000 255.000 255.000 255.000 257.500 257.500 257.500 257.500 257.500 257.500 257.500 259.167 260.833 262.500 262.500 262.500 262.500 262.500 262.500 262.500 270.000 270.016 270.035 270.056 270.081 270.110 270.145 270.187 270.240 270.308 270.398 270.522 270.707 271.008 271.588 273.171 294.766
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
48 72 72 99 99 84 75 60 63 78 0 93 99 99 102 102 102 114 108 96 102 99 99 96 99 102 99 99 99 102 99 102 96 90 90 105 105 105 108 90 90 105 102 99 105 108 108 93 93 93 93 90 93 96 93 93 90 90 93 90 90 0 90 87 78
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="503">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
89.869 90.0 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 120.681 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 131.362 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.043 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 213.132 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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5.1589384 5.2131295 5.2675667 5.3223014 5.3774047 5.432942 5.488984 5.5455885 5.6028605 5.660859 5.719658 5.779308 5.839808 5.9010363 5.962593 6.023377 6.0805755 6.1272454 6.1496654 6.15 6.149074 6.1457534 6.140088 6.1321497 6.1220107 6.109744 6.0954223 6.0791183 6.060904 6.0408516 6.0190325 5.9955177 5.9703765 5.943679 5.915492 5.885884 5.85492 5.822665 5.7891836 5.7545366 5.7187862 5.6819916 5.6442113 5.6055017 5.5659184 5.5255156 5.4843454 5.442459 5.399906 5.3567348 5.3129916 5.2687216 5.2239685 5.178775 5.133181 5.087227 5.04095 4.9943876 4.9475746 4.9005456 4.853333 4.805968 4.758481 4.710901 4.6632557 4.6155725 4.5678754 4.5201902 4.47254 4.4249463 4.3774304 4.3300138 4.2827144 4.2355514 4.188542 4.1417027 4.0950494 4.048597 4.0023594 3.95635 3.9105816 3.865066 3.8198142 3.774837 3.7301443 3.685745 3.641648 3.5978613 3.5543926 3.5112486 3.4684362 3.425961 3.3838286 3.3420444 3.3006127 3.2595377 3.2188234 3.1784732 3.1384902 3.098877 3.059636 3.0207696 2.982279 2.9441662 2.906432 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0.053220484 0.052470453 0.05173099 0.051001947 0.050283175

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="1.663" PeakHeight="110.0" Num="3" Error="0.0">
-28.481 10.34 -1.99
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="1.663" EndFrequency="6.15" PeakHeight="213.132" Num="5" zHalfNm="180.12" Error="1.363">
-59.971 -19.616 13.023 -5.696 1.171
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.833" EndDistance="6480.001" A="-1.19162903E13" B="3.67786726E9" C="-283783.28" Error="0.00621"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6490.681" A="-7.4024149E12" B="2.28469606E9" C="-176285.5" Error="4.29E-4"/>
<QuasiParabolic ID="2" StartDistance="6490.681" EndDistance="6501.362" A="0.0" B="16680.916" C="-0.28179318" Error="0.00227"/>
<QuasiParabolic ID="3" StartDistance="6501.362" EndDistance="6511.0" A="-6.1569178E11" B="1.87398176E8" C="-14255.682" Error="0.0024"/>
<QuasiParabolic ID="4" StartDistance="6511.0" EndDistance="6514.0" A="6.8430615E13" B="-2.10217267E10" C="1614459.2" Error="0.00866"/>
<QuasiParabolic ID="5" StartDistance="6514.0" EndDistance="6516.0" A="-1.86404894E13" B="5.7118024E9" C="-437546.44" Error="0.00746"/>
<QuasiParabolic ID="6" StartDistance="6516.0" EndDistance="6526.0" A="2.23952241E13" B="-6.8835676E9" C="528949.1" Error="0.00582"/>
<QuasiParabolic ID="7" StartDistance="6526.0" EndDistance="6567.0" A="1.44828845E12" B="-4.64034368E8" C="37106.24" Error="0.00911"/>
<QuasiParabolic ID="8" StartDistance="6567.0" EndDistance="6580.0" A="1.72677011E13" B="-5.2818852E9" C="403929.03" Error="0.00229"/>
<QuasiParabolic ID="9" StartDistance="6580.0" EndDistance="6582.0" A="-1.29450994E14" B="3.9313461E10" C="-2984775.2" Error="1.88E-4"/>
<QuasiParabolic ID="10" StartDistance="6582.0" EndDistance="6583.132" A="-4.09335818E14" B="1.24358992E11" C="-9445238.0" Error="8.92E-6"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="32.043" Depth="0.15"/>
<TopsideChapman PeakHeight="213.132" PeakDensity="469261.78" PeakScaleHeight="22.017" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
