<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-21 -294 02:00:00.000"
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: 45% PACIFIC flags: F2o cusp not found, Multiple candidates for F2x cusp, 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" >
2026.10.21 (294) 02:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.32" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.06" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="62.486557" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202629410210200001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="5.375" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.515" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.895" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.325" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.325" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.750" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="300.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="300.000" 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="88" Val="5.375" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="320.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.325" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.325" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="292.799" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="273.821" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.250" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.814" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.183" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.223" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.320" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.230" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="83">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
300.000 300.833 301.667 302.500 302.500 305.000 302.500 305.000 305.000 305.000 305.000 305.000 305.000 305.451 305.902 306.352 306.803 307.254 307.705 308.156 308.607 309.057 309.508 309.959 310.410 310.861 311.311 311.762 312.213 312.664 313.115 313.566 314.016 314.467 314.918 315.369 315.820 316.270 316.721 317.172 317.623 318.074 318.525 318.975 319.426 319.877 320.328 320.779 321.230 321.680 322.131 322.582 323.033 323.484 323.934 324.385 324.836 325.287 325.738 326.189 326.639 327.090 327.541 327.992 328.443 328.893 329.344 329.795 330.246 330.697 331.148 331.598 332.049 332.500 365.000 363.333 361.667 360.000 337.500 330.000 322.500 321.250 320.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
93 0 0 93 96 90 81 78 0 0 0 0 78 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90 0 0 0 0 0 0 0 0 0 0 96 0 0 0 0 60 96 0 0 96 96 0 96 0 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="423">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.98633 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.97267 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 217.959 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 292.799 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0
</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="0.354" PeakHeight="110.0" Num="3" Error="0.0">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="5.375" PeakHeight="292.799" Num="5" zHalfNm="273.821" Error="2.393">
-63.758 -21.464 15.566 -7.831 2.647
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6515.986" A="-1.17396472E11" B="3.623348E7" C="-2795.6677" Error="0.00183"/>
<QuasiParabolic ID="2" StartDistance="6515.986" EndDistance="6551.973" A="0.0" B="-1315.6322" C="0.24195132" Error="0.0288"/>
<QuasiParabolic ID="3" StartDistance="6551.973" EndDistance="6584.0" A="5.2914455E10" B="-1.6210596E7" C="1241.5735" Error="0.0288"/>
<QuasiParabolic ID="4" StartDistance="6584.0" EndDistance="6586.0" A="-9.7600661E11" B="2.96341376E8" C="-22494.148" Error="0.00183"/>
<QuasiParabolic ID="5" StartDistance="6586.0" EndDistance="6591.0" A="7.0806258E12" B="-2.15025203E9" C="163247.84" Error="0.0685"/>
<QuasiParabolic ID="6" StartDistance="6591.0" EndDistance="6600.0" A="3.10815857E12" B="-9.4483046E8" C="71803.32" Error="0.0652"/>
<QuasiParabolic ID="7" StartDistance="6600.0" EndDistance="6608.0" A="1.6207531E13" B="-4.9143373E9" C="372523.53" Error="0.0156"/>
<QuasiParabolic ID="8" StartDistance="6608.0" EndDistance="6622.0" A="6.8793889E12" B="-2.09104973E9" C="158897.05" Error="0.0187"/>
<QuasiParabolic ID="9" StartDistance="6622.0" EndDistance="6662.0" A="1.35480297E13" B="-4.10513638E9" C="310972.47" Error="0.0643"/>
<QuasiParabolic ID="10" StartDistance="6662.0" EndDistance="6662.799" A="-1.05219921E15" B="3.15842986E11" C="-2.3701946E7" Error="0.0"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="107.959" Depth="0.154"/>
<TopsideChapman PeakHeight="292.799" PeakDensity="358444.47" PeakScaleHeight="13.223" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
