<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-21 -080 21:45:00.000"
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" >
2026.03.21 (080) 21:45:00</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">
FF202608003212145001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="8.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.817" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="31.493" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="5.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="5.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="9.350" 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="8.175" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="273.668" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="1.041" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="5.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="5.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="229.480" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="206.142" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="9.392" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="33.354" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="6.344" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.999" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="36.710" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.530" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="130">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 6.175 6.2 6.225 6.25 6.275 6.3 6.325 6.35 6.375 6.4 6.425 6.45 6.475 6.5 6.525 6.55 6.575 6.6 6.625 6.65 6.675 6.7 6.725 6.75 6.775 6.8 6.825 6.85 6.875 6.9 6.925 6.95 6.975 7.0 7.025 7.05 7.075 7.1 7.125 7.15 7.175 7.2 7.225 7.25 7.275 7.3 7.325 7.35 7.375 7.4 7.425 7.45 7.475 7.5 7.525 7.55 7.575 7.6 7.625 7.65 7.675 7.7 7.725 7.75 7.775 7.8 7.825 7.85 7.875 7.9 7.925 7.95 7.975 8.0 8.025 8.05 8.075 8.1 8.125 8.15 8.175 8.2 8.225 8.25
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 233.750 235.000 235.833 236.667 237.500 235.000 235.000 235.000 235.000 235.000 235.000 235.625 236.250 236.875 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 240.000 240.000 240.000 240.000 240.000 240.000 240.000 242.500 242.500 242.500 242.500 242.500 242.500 242.500 242.500 245.000 245.000 245.000 245.000 246.250 247.500 245.000 245.000 245.000 247.500 247.500 247.500 247.500 247.500 250.000 250.000 250.000 250.000 250.000 250.000 250.000 250.000 250.000 250.000 252.500 252.500 252.500 252.500 255.000 255.000 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 260.000 260.000 260.000 260.000 262.500 262.500 262.500 262.500 265.000 265.000 265.000 265.000 267.500 267.500 267.500 267.500 267.500 270.000 270.000 270.000 270.328 270.762 271.361 272.243 273.668 276.364 283.399 348.426
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 78 78 78 0 78 81 81 81 81 81 78 78 81 81 78 75 0 0 0 75 78 78 75 0 63 0 0 66 78 78 0 78 78 75 0 0 0 75 81 81 81 93 93 93 93 81 78 78 81 81 81 75 75 87 87 81 81 93 93 87 87 87 87 69 69 69 0 81 90 90 90 93 90 90 87 60 54 0 57 90 90 87 87 75 75 72 75 75 72 81 78 72 69 0 66 75 81 81 78 66 66 78 78 81 81 78 78 87 84 75 75 69 69 87 90 90 90 87 87 75 72 72 69 93 90 81 87 72 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="449">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
90.231 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 128.08067 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.16133 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 164.242 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 229.48 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0
</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="1.041" PeakHeight="110.0" Num="3" Error="0.0">
-26.681 8.19 -1.278
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="1.041" EndFrequency="8.25" PeakHeight="229.48" Num="5" zHalfNm="206.142" Error="0.702">
-59.819 -9.196 5.719 -2.549 0.607
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.9854" EndDistance="6480.001" A="-4.7415343E12" B="1.46343654E9" C="-112918.4" Error="0.0165"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6498.081" A="-2.52257842E12" B="7.7857357E8" C="-60074.04" Error="0.00131"/>
<QuasiParabolic ID="2" StartDistance="6498.081" EndDistance="6516.161" A="0.0" B="14235.23" C="-1.5721259" Error="0.0111"/>
<QuasiParabolic ID="3" StartDistance="6516.161" EndDistance="6533.0" A="-1.43859533E9" B="-643693.7" C="133.27757" Error="0.0111"/>
<QuasiParabolic ID="4" StartDistance="6533.0" EndDistance="6536.0" A="4.516562E13" B="-1.38279997E10" C="1058403.2" Error="0.014"/>
<QuasiParabolic ID="5" StartDistance="6536.0" EndDistance="6542.0" A="1.65302826E13" B="-5.0656568E9" C="388089.4" Error="0.0153"/>
<QuasiParabolic ID="6" StartDistance="6542.0" EndDistance="6573.0" A="3.47743558E13" B="-1.06431785E10" C="814375.06" Error="0.0152"/>
<QuasiParabolic ID="7" StartDistance="6573.0" EndDistance="6593.0" A="1.85876433E13" B="-5.7179653E9" C="439720.22" Error="0.0111"/>
<QuasiParabolic ID="8" StartDistance="6593.0" EndDistance="6599.48" A="-2.66453094E14" B="8.0749724E10" C="-6117817.5" Error="0.0026"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="54.242" Depth="0.254"/>
<TopsideChapman PeakHeight="229.48" PeakDensity="844447.9" PeakScaleHeight="16.999" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
