<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-05 -125 08:05:00.000"
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="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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.05 (125) 08:05:00</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">
FF202612505050805001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.475" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.562" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.377" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.050" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.050" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="280.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="280.000" 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="3.425" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="306.108" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.050" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.050" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="264.018" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="244.074" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.460" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.681" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.963" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.750" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.710" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.810" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="18">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
280.000 282.500 282.500 285.000 287.500 287.500 290.000 290.000 292.500 292.500 295.000 295.000 300.000 300.000 302.500 306.108 310.723 316.835
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
81 93 93 96 93 96 93 96 93 93 93 93 90 93 93 96 87 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-1.5625 1.5625 -1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="399">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.35033 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 176.70067 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 210.051 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 264.018 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21213934 0.23390245 0.2526677 0.26895854 0.28319094 0.29565945 0.30659118 0.31614733 0.32445762 0.331616 0.33769703 0.34275886 0.34684667 0.3499937 0.352225 0.3535571 0.354 0.3538872 0.35354906 0.35306174 0.352277 0.35134757 0.35012823 0.34877208 0.34713763 0.3453056 0.34321257 0.34086996 0.33835936 0.33555567 0.33247787 0.3292112 0.32564655 0.32181212 0.31767836 0.3132252 0.30849826 0.3034919 0.29805955 0.29236177 0.28618327 0.2796606 0.27269807 0.26520818 0.25728005 0.24874957 0.23956142 0.2297097 0.21917784 0.20775354 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 0.2 0.2 0.2 0.20138222 0.20599987 0.21061751 0.21523514 0.21985279 0.22447044 0.22908808 0.23370573 0.23832338 0.24294102 0.24755867 0.2521763 0.25679395 0.2614116 0.26602924 0.2706469 0.27526453 0.2798822 0.28449982 0.28911746 0.29373512 0.29835275 0.3029704 0.30758804 0.3122057 0.31682333 0.321441 0.32605863 0.3306763 0.33529392 0.33991155 0.3445292 0.34914684 0.3537645 0.354 0.38843715 0.42343038 0.45855072 0.4945959 0.5320806 0.5714065 0.61290395 0.6568436 0.70345736 0.7529054 0.80532366 0.8607247 0.9191047 0.98033446 1.044237 1.1105734 1.1790681 1.2494146 1.3213073 1.3944763 1.4686356 1.5435803 1.6190853 1.6949803 1.771126 1.8473942 1.9236883 1.9999211 2.076009 2.151876 2.2274547 2.302685 2.3774753 2.4517477 2.5254126 2.598353 2.6704662 2.74157 2.8115265 2.880095 2.9470508 3.0120938 3.0749156 3.1350968 3.192221 3.2457771 3.295206 3.3399022 3.3792424 3.4125857 3.439313 3.458886 3.470875 3.474992 3.475 3.4735167 3.4690456 3.4617214 3.4516802 3.4390585 3.423993 3.406619 3.38707 3.3654778 3.3419719 3.3166788 3.2897217 3.261221 3.231293 3.2000504 3.167602 3.134053 3.0995038 3.064051 3.0277872 2.9908009 2.9531763 2.9149935 2.8763292 2.8372555 2.7978406 2.7581496 2.7182438 2.6781805 2.6380138 2.5977948 2.557571 2.517387 2.4772844 2.437302 2.3974762 2.35784 2.3184247 2.2792592 2.2403693 2.20178 2.163513 2.125589 2.0880263 2.0508418 2.0140505 1.9776663 1.9417012 1.9061661 1.8710705 1.8364227 1.8022299 1.7684982 1.7352328 1.702438 1.670117 1.6382725 1.606906 1.5760189 1.5456115 1.5156837 1.4862344 1.4572629 1.4287671 1.4007448 1.3731937 1.3461107 1.3194925 1.2933354 1.2676357 1.2423891 1.2175914 1.1932379 1.1693238 1.1458442 1.1227942 1.1001682 1.0779611 1.0561675 1.0347817 1.0137984 0.99321157 0.9730157 0.95320517 0.93377405 0.91471666 0.89602715 0.8776997 0.8597286 0.842108 0.8248322 0.8078955 0.79129213 0.7750164 0.75906277 0.74342567 0.7280994 0.7130787 0.6983579 0.68393177 0.669795 0.6559422 0.64236826 0.6290681 0.6160365 0.6032685 0.5907592 0.5785037 0.56649727 0.55473506 0.5432125 0.53192484 0.52086776 0.51003665 0.49942723 0.4890351 0.4788561 0.46888596 0.45912063 0.44955608 0.44018835 0.43101352 0.42202777 0.4132273 0.40460846 0.3961676 0.3879012 0.37980565 0.3718776 0.3641137 0.35651055 0.34906495 0.34177372 0.3346337 0.32764184 0.32079512 0.3140906 0.30752537 0.3010966 0.29480144 0.28863725 0.2826013 0.27669096 0.27090368 0.26523688 0.25968814 0.254255 0.24893509 0.24372607 0.23862568 0.23363166 0.2287418 0.22395396 0.21926606 0.21467598 0.21018173 0.20578133 0.2014728 0.19725429 0.19312388 0.18907978 0.18512017 0.18124332 0.1774475 0.17373101 0.17009224 0.16652955 0.16304135 0.1596261 0.15628229 0.15300842 0.14980303 0.1466647 0.14359203 0.14058366 0.13763824 0.13475446 0.13193105 0.12916672 0.12646025 0.12381045 0.12121611 0.11867609 0.11618925 0.11375447 0.11137068 0.10903681 0.106751814 0.104514666 0.10232437 0.10017995 0.098080434 0.0960249 0.094012424 0.0920421 0.09011305 0.08822441 0.08637534 0.084565 0.08279259 0.08105731 0.07935839 0.077695064 0.07606658 0.074472226 0.07291128 0.07138304 0.06988682 0.06842195 0.06698778 0.06558366 0.06420897 0.06286308 0.061545398 0.06025533 0.0589923 0.057755735 0.056545086 0.05535981 0.054199375 0.053063262 0.051950958 0.050861966

</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="3.475" PeakHeight="264.018" Num="5" zHalfNm="244.074" Error="0.918">
-52.07 -3.429 2.255 -1.252 0.529
</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="6513.35" A="-1.36598847E11" B="4.2160136E7" C="-3252.9717" Error="0.00166"/>
<QuasiParabolic ID="2" StartDistance="6513.35" EndDistance="6546.701" A="0.0" B="-1639.0125" C="0.29166853" Error="0.0328"/>
<QuasiParabolic ID="3" StartDistance="6546.701" EndDistance="6576.0" A="6.3812256E10" B="-1.9555518E7" C="1498.243" Error="0.0328"/>
<QuasiParabolic ID="4" StartDistance="6576.0" EndDistance="6579.0" A="-3.72372374E11" B="1.1310404E8" C="-8588.402" Error="0.0021"/>
<QuasiParabolic ID="5" StartDistance="6579.0" EndDistance="6581.0" A="1.19799483E13" B="-3.64197146E9" C="276795.06" Error="0.0347"/>
<QuasiParabolic ID="6" StartDistance="6581.0" EndDistance="6582.0" A="-4.43606893E11" B="1.33611392E8" C="-10059.745" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6582.0" EndDistance="6591.0" A="5.3506201E12" B="-1.6270167E9" C="123685.93" Error="0.0302"/>
<QuasiParabolic ID="8" StartDistance="6591.0" EndDistance="6602.0" A="1.38391732E13" B="-4.20281805E9" C="319088.88" Error="0.00847"/>
<QuasiParabolic ID="9" StartDistance="6602.0" EndDistance="6625.0" A="8.1719093E12" B="-2.48598554E9" C="189065.19" Error="0.0284"/>
<QuasiParabolic ID="10" StartDistance="6625.0" EndDistance="6634.018" A="-4.6284895E13" B="1.39538043E10" C="-1051673.6" Error="0.00621"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="100.051" Depth="0.154"/>
<TopsideChapman PeakHeight="264.018" PeakDensity="149821.66" PeakScaleHeight="14.75" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
