<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-13 -133 21:30:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 80% PACIFIC flags: Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.13 (133) 21:30:00</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">
FF202613305132130001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.600" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.708" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.350" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.025" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.375" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="260.516" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.536" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="241.456" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="220.173" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.071" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="30.364" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.134" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.432" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.440" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.810" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="24">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.025 3.05 3.075 3.1 3.125 3.15 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 232.500 235.000 236.667 238.333 240.000 241.667 243.333 245.000 245.000 247.500 250.000 255.000 257.560 260.516 263.967 268.049 272.953 278.954 286.467 296.146 309.086 327.268 354.685
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 66 63 0 0 0 0 0 66 66 66 66 81 81 84 84 81 78 66 66 63 63 57 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 -9.375 -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="403">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.419 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 241.456 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.23201269 0.28109708 0.32130682 0.35475436 0.38319567 0.4077522 0.42916855 0.44792795 0.46438235 0.47878543 0.49131858 0.5021276 0.51131827 0.51897556 0.52516335 0.5299295 0.5333097 0.53532857 0.536 0.5357334 0.5349343 0.53352994 0.5316785 0.52916205 0.5261447 0.5225671 0.51837575 0.5135965 0.5081878 0.50218624 0.49549645 0.48817214 0.48007798 0.47129408 0.46166432 0.45124912 0.43987554 0.42751646 0.41415077 0.3994345 0.38345867 0.36597893 0.3466024 0.32508114 0.30084732 0.273493 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.224 0.23514286 0.24628572 0.25742856 0.26857144 0.2797143 0.29085714 0.302 0.31314287 0.32428572 0.33542857 0.34657142 0.3577143 0.36885715 0.38 0.39114285 0.40228572 0.41342857 0.42457142 0.43571427 0.44685715 0.458 0.46914285 0.4802857 0.49142858 0.5025714 0.5137143 0.52485716 0.536 0.5789543 0.62612355 0.6768218 0.7303691 0.7862305 0.8440743 0.90372515 0.96517056 1.0284823 1.0937943 1.1612909 1.2311746 1.3036822 1.3790687 1.457572 1.5393971 1.624763 1.7138108 1.8065718 1.9029807 2.002791 2.1054924 2.2103925 2.316496 2.4226646 2.5276146 2.6300488 2.7288554 2.8230734 2.9120095 2.9952366 3.0725117 3.143776 3.209088 3.2686172 3.3225296 3.3710496 3.4143832 3.4527435 3.4863222 3.5153036 3.5398326 3.5600452 3.5760524 3.5879385 3.5957685 3.5995853 3.6 3.5996172 3.5969572 3.591848 3.584391 3.5746894 3.5628445 3.5489593 3.5331345 3.5154712 3.496068 3.475023 3.4524317 3.428388 3.402984 3.3763084 3.3484488 3.3194888 3.289511 3.258594 3.2268143 3.1942456 3.1609585 3.1270213 3.0924993 3.0574548 3.0219479 2.9860356 2.9497724 2.9132102 2.8763986 2.8393843 2.8022118 2.7649233 2.7275586 2.6901557 2.6527495 2.615374 2.5780606 2.5408387 2.503736 2.4667785 2.4299905 2.3933945 2.3570116 2.320861 2.2849615 2.249329 2.21398 2.1789277 2.1441858 2.1097658 2.0756786 2.0419345 2.0085418 1.9755087 1.9428424 1.910549 1.8786343 1.8471029 1.8159591 1.7852062 1.7548472 1.7248843 1.6953194 1.6661538 1.6373881 1.609023 1.581058 1.5534931 1.5263274 1.4995596 1.4731885 1.4472122 1.4216288 1.3964361 1.3716316 1.3472126 1.3231761 1.2995194 1.276239 1.2533318 1.2307941 1.2086222 1.1868128 1.1653615 1.1442649 1.1235188 1.1031191 1.0830618 1.0633427 1.0439575 1.024902 1.006172 0.9877631 0.9696711 0.9518915 0.93442005 0.9172524 0.90038425 0.88381124 0.86752903 0.85153335 0.8358199 0.8203844 0.8052226 0.79033023 0.77570325 0.76133734 0.7472285 0.7333725 0.7197654 0.7064032 0.69328177 0.6803973 0.6677458 0.65532357 0.6431266 0.63115126 0.61939377 0.6078505 0.59651774 0.58539194 0.57446957 0.56374717 0.5532212 0.54288834 0.53274524 0.5227886 0.5130151 0.5034216 0.4940049 0.4847619 0.47568953 0.46678478 0.45804462 0.4494662 0.4410466 0.43278295 0.4246725 0.41671252 0.40890026 0.40123308 0.39370832 0.38632348 0.37907597 0.37196335 0.36498314 0.35813293 0.35141036 0.34481308 0.33833885 0.33198538 0.3257505 0.31963202 0.31362778 0.3077357 0.30195376 0.29627988 0.2907121 0.28524843 0.279887 0.27462587 0.26946324 0.26439726 0.25942615 0.25454816 0.24976155 0.24506463 0.24045575 0.23593327 0.23149557 0.2271411 0.22286831 0.21867566 0.21456167 0.21052489 0.20656385 0.20267718 0.19886346 0.19512135 0.1914495 0.18784662 0.18431139 0.18084258 0.17743893 0.17409922 0.17082228 0.1676069 0.16445197 0.16135632 0.15831886 0.15533851 0.15241417 0.14954484 0.14672942 0.14396697 0.14125647 0.13859694 0.13598742 0.13342698 0.13091472 0.1284497 0.12603106 0.12365791 0.12132942 0.119044736 0.116803035 0.11460352 0.1124454 0.11032788 0.108250216 0.10621165 0.10421145 0.10224889 0.100323275 0.098433904 0.096580096 0.09476118 0.0929765 0.09122542 0.08950731 0.087821536 0.0861675 0.0845446 0.08295226 0.0813899 0.07985695 0.07835286 0.076877095 0.07542911 0.0740084 0.07261443 0.07124671 0.06990475 0.068588056 0.06729616 0.06602859 0.064784884 0.063564606 0.062367305 0.06119255 0.06003992 0.058908995 0.05779937 0.05671064 0.05564242 0.054594312 0.053565945 0.052556943 0.051566947 0.050595596

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.536" PeakHeight="110.0" Num="3" Error="0.0">
-22.854 4.74 -0.467
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.536" EndFrequency="3.6" PeakHeight="241.456" Num="5" zHalfNm="220.173" Error="1.863">
-49.657 4.034 -2.958 1.556 -0.431
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.001" EndDistance="6480.001" A="-1.25897133E12" B="3.88571392E8" C="-29982.074" Error="0.0161"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6508.0" A="-5.37534956E11" B="1.65905856E8" C="-12801.091" Error="0.00687"/>
<QuasiParabolic ID="2" StartDistance="6508.0" EndDistance="6536.0" A="0.0" B="-4563.4673" C="0.75154346" Error="0.063"/>
<QuasiParabolic ID="3" StartDistance="6536.0" EndDistance="6558.0" A="3.4006791E11" B="-1.04210296E8" C="7983.579" Error="0.063"/>
<QuasiParabolic ID="4" StartDistance="6558.0" EndDistance="6559.0" A="-4.08420771E12" B="1.2450656E9" C="-94888.94" Error="6.61E-11"/>
<QuasiParabolic ID="5" StartDistance="6559.0" EndDistance="6565.0" A="4.09650751E12" B="-1.24943514E9" C="95269.69" Error="0.0659"/>
<QuasiParabolic ID="6" StartDistance="6565.0" EndDistance="6577.0" A="1.21306538E13" B="-3.69700454E9" C="281680.16" Error="0.0507"/>
<QuasiParabolic ID="7" StartDistance="6577.0" EndDistance="6592.0" A="2.40882507E13" B="-7.3331901E9" C="558112.06" Error="0.0112"/>
<QuasiParabolic ID="8" StartDistance="6592.0" EndDistance="6611.456" A="-2.78459968E13" B="8.4235597E9" C="-637029.75" Error="0.00483"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="84.0" Depth="0.312"/>
<TopsideChapman PeakHeight="241.456" PeakDensity="160794.05" PeakScaleHeight="16.432" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
