<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-13 -133 21:50:00.000"
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: 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" >
2026.05.13 (133) 21:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202613305132150001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.000" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.633" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.900" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.700" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.700" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.325" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="256.469" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="256.469" 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="2.800" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="267.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.399" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.700" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.700" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="249.880" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="229.829" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.618" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.598" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.735" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.162" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.890" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.090" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="13">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
256.469 258.949 262.500 265.000 267.500 272.500 277.500 282.500 290.000 297.500 307.500 317.500 333.449
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 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" >
-21.875 -21.875 -21.875 -21.875 -21.875 -21.875 -21.875 -21.875 -21.875 -9.375 -3.125 -3.125 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="385">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
92.684 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.46767 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 170.93533 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 201.403 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 249.88 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21014191 0.23911498 0.2637701 0.28492865 0.3032675 0.31927454 0.33329853 0.3455975 0.3563536 0.36570853 0.3737713 0.38062206 0.38632703 0.39093474 0.3944825 0.39699823 0.39850053 0.399 0.39885426 0.39841732 0.3975938 0.39648426 0.39509314 0.39333084 0.39120683 0.38882607 0.38610616 0.38297108 0.37953144 0.37571815 0.37147105 0.36690798 0.36197737 0.35655966 0.3507116 0.3444197 0.33761474 0.33032414 0.32240158 0.31394464 0.30479234 0.2949425 0.28432637 0.2727562 0.2602157 0.24654368 0.2315897 0.21514702 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.20042238 0.20695388 0.2134854 0.22001691 0.22654843 0.23307994 0.23961146 0.24614297 0.2526745 0.259206 0.2657375 0.27226904 0.27880055 0.28533205 0.29186356 0.2983951 0.3049266 0.3114581 0.31798962 0.32452115 0.33105266 0.33758417 0.34411567 0.3506472 0.35717872 0.36371022 0.37024173 0.37677327 0.38330477 0.38983628 0.3963678 0.399 0.42024305 0.45740265 0.49648088 0.5374225 0.5802215 0.62486124 0.6713684 0.7197543 0.7700574 0.8222877 0.8765012 0.9326944 0.99090993 1.0511342 1.1133596 1.1775781 1.2437332 1.3117611 1.381572 1.4530154 1.5259788 1.6002355 1.6755782 1.7517463 1.8284669 1.905406 1.982236 2.0586119 2.13414 2.2084575 2.281191 2.3519576 2.4204245 2.4862387 2.5490947 2.6086917 2.6647584 2.7170682 2.765395 2.8095696 2.849413 2.8847895 2.9155893 2.9417152 2.9630811 2.9796274 2.9913096 2.9980948 3.0 2.9999816 2.9984262 2.9944408 2.9881332 2.9796116 2.9689848 2.9563613 2.9418483 2.9255524 2.9075782 2.888029 2.8670058 2.8446066 2.8209276 2.796062 2.7701 2.7431293 2.7152333 2.6864939 2.6569889 2.6267924 2.5959768 2.56461 2.5327573 2.500481 2.46784 2.4348903 2.401685 2.3682745 2.3347063 2.3010252 2.2672732 2.2334902 2.199713 2.1659768 2.132314 2.0987551 2.0653281 2.03206 1.9989747 1.9660949 1.9334416 1.9010341 1.8688899 1.8370254 1.8054552 1.7741928 1.7432505 1.7126391 1.6823686 1.6524477 1.6228843 1.5936852 1.5648562 1.5364026 1.5083286 1.4806379 1.4533335 1.4264174 1.3998915 1.3737568 1.3480139 1.322663 1.2977036 1.273135 1.2489561 1.2251652 1.2017606 1.1787403 1.1561016 1.1338419 1.1119583 1.0904477 1.0693067 1.0485319 1.0281196 1.0080658 0.9883668 0.96901846 0.9500166 0.9313571 0.9130355 0.89504755 0.87738866 0.86005443 0.8430403 0.82634175 0.8099542 0.7938731 0.7780937 0.7626115 0.7474219 0.7325203 0.7179021 0.7035628 0.68949777 0.6757026 0.6621726 0.64890355 0.6358909 0.6231303 0.61061746 0.59834796 0.5863176 0.5745222 0.56295747 0.55161947 0.540504 0.52960706 0.5189247 0.508453 0.49818808 0.48812616 0.47826347 0.46859628 0.459121 0.44983396 0.44073164 0.4318106 0.42306736 0.41449854 0.40610087 0.39787102 0.3898058 0.381902 0.3741566 0.36656648 0.35912865 0.35184017 0.3446981 0.3376996 0.33084187 0.3241222 0.3175378 0.31108612 0.30476445 0.2985703 0.29250112 0.2865545 0.28072792 0.27501908 0.2694256 0.26394525 0.25857574 0.25331485 0.24816047 0.24311043 0.23816267 0.23331515 0.22856586 0.22391285 0.21935417 0.21488793 0.21051231 0.20622545 0.2020256 0.197911 0.19387993 0.18993072 0.18606173 0.18227133 0.17855793 0.17492 0.171356 0.16786444 0.16444388 0.16109285 0.15780997 0.15459387 0.15144318 0.14835657 0.14533278 0.1423705 0.1394685 0.13662557 0.13384052 0.13111213 0.12843929 0.12582088 0.12325577 0.12074289 0.118281186 0.11586961 0.11350716 0.111192815 0.10892562 0.10670461 0.10452884 0.1023974 0.10030938 0.098263904 0.09626011 0.09429714 0.09237418 0.09049041 0.08864502 0.08683724 0.08506631 0.08333147 0.081631996 0.07996716 0.07833626 0.07673861 0.07517352 0.07364034 0.072138414 0.07066711 0.0692258 0.06781388 0.06643075 0.06507581 0.0637485 0.062448252 0.06117452 0.059926756 0.058704436 0.05750704 0.056334063 0.055185005 0.05405938 0.052956708 0.051876523 0.050818365

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.399" PeakHeight="110.0" Num="3" Error="0.0">
-20.189 3.089 -0.216
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.399" EndFrequency="3.0" PeakHeight="249.88" Num="5" zHalfNm="229.829" Error="1.082">
-48.617 0.231 -0.344 0.327 -0.074
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.009" EndDistance="6480.001" A="-6.9807256E11" B="2.1545448E8" C="-16624.416" Error="0.00371"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6510.468" A="-2.2867252E11" B="7.0577944E7" C="-5445.6694" Error="0.00278"/>
<QuasiParabolic ID="2" StartDistance="6510.468" EndDistance="6540.935" A="0.0" B="583.5203" C="-0.049695987" Error="0.0121"/>
<QuasiParabolic ID="3" StartDistance="6540.935" EndDistance="6543.0" A="-2.64703679E12" B="8.0905069E8" C="-61820.3" Error="0.0732"/>
<QuasiParabolic ID="4" StartDistance="6543.0" EndDistance="6570.0" A="1.50705521E11" B="-4.6135732E7" C="3530.943" Error="0.0758"/>
<QuasiParabolic ID="5" StartDistance="6570.0" EndDistance="6581.0" A="6.9814887E12" B="-2.12552166E9" C="161779.5" Error="0.0456"/>
<QuasiParabolic ID="6" StartDistance="6581.0" EndDistance="6606.0" A="1.07824126E13" B="-3.2806423E9" C="249541.28" Error="0.0343"/>
<QuasiParabolic ID="7" StartDistance="6606.0" EndDistance="6619.88" A="-2.55393624E13" B="7.7159593E9" C="-582777.94" Error="0.0109"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="91.403" Depth="0.199"/>
<TopsideChapman PeakHeight="249.88" PeakDensity="111662.53" PeakScaleHeight="15.162" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
