<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-29 -149 02:25:00.000"
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" >
2026.05.29 (149) 02:25:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202614905290225001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.425" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.628" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.427" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.800" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="257.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="257.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.325" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="288.537" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="255.379" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="238.767" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.006" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="23.812" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.791" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.579" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="23.560" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.190" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="19">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.975 3.0 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
257.500 260.000 262.500 262.500 265.000 267.500 268.604 269.865 271.316 273.007 275.000 277.385 280.291 283.909 288.537 294.667 303.170 315.756 336.298
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 78 84 96 96 102 102 102 99 99 96 90 93 96 96 93 90 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 7.8125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="357">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.41667 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 178.83333 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 213.25 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 255.379 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0
</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 0.35362422 0.35306162 0.35242635 0.351496 0.35034946 0.34906474 0.34757262 0.34580722 0.34384936 0.34170708 0.3393199 0.33670086 0.33386406 0.33075932 0.32740733 0.32383022 0.31999075 0.3158602 0.31147584 0.30682194 0.3017886 0.29647052 0.29077086 0.28478742 0.2783704 0.27152064 0.2642219 0.2564137 0.24812241 0.23924045 0.22962193 0.21941046 0.20837834 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 0.2 0.20074576 0.20522034 0.20969492 0.21416949 0.21864407 0.22311865 0.22759321 0.2320678 0.23654237 0.24101695 0.24549152 0.2499661 0.25444067 0.25891525 0.26338983 0.2678644 0.272339 0.27681357 0.28128815 0.2857627 0.29023728 0.29471186 0.29918644 0.30366102 0.3081356 0.31261018 0.31708476 0.3215593 0.3260339 0.33050847 0.33498305 0.33945763 0.3439322 0.3484068 0.35288134 0.354 0.38373837 0.4260722 0.4714547 0.5199361 0.5715668 0.6264489 0.6846951 0.74643314 0.8118074 0.8809392 0.9539777 1.0310086 1.1121222 1.1973517 1.2866806 1.3800298 1.4771982 1.5779529 1.6819084 1.7885642 1.8973587 2.0075915 2.1184995 2.2292218 2.3389177 2.446737 2.551794 2.65331 2.7505484 2.842841 2.9296105 3.0103714 3.084685 3.1522121 3.2126837 3.2658665 3.3115747 3.3496854 3.3800936 3.4027166 3.4175088 3.424434 3.425 3.4241931 3.419596 3.4111173 3.3989737 3.383382 3.3645587 3.3427174 3.3180683 3.2908177 3.2611663 3.2293093 3.1954353 3.159726 3.1223557 3.0834923 3.043295 3.0019155 2.9594984 2.9161801 2.8720899 2.8273492 2.7820723 2.7363663 2.6903315 2.6440613 2.5976434 2.5511582 2.5046809 2.4582808 2.4120216 2.3659627 2.3201575 2.2746556 2.2295015 2.1847363 2.1403968 2.0965161 2.053124 2.0102472 1.9679093 1.926131 1.8849303 1.844323 1.8043225 1.76494 1.726185 1.6880649 1.6505857 1.6137515 1.5775654 1.5420291 1.5071428 1.4729058 1.4393164 1.4063721 1.3740695 1.3424042 1.3113716 1.2809659 1.2511814 1.2220114 1.193449 1.1654868 1.1381172 1.1113322 1.0851235 1.0594827 1.0344012 1.00987 0.9858805 0.9624234 0.9394897 0.9170703 0.8951559 0.8737374 0.8528055 0.8323511 0.812365 0.79283816 0.7737614 0.7551258 0.73692256 0.7191427 0.70177746 0.6848183 0.6682567 0.65208423 0.63629246 0.6208733 0.6058186 0.5911205 0.576771 0.5627626 0.54908764 0.53573865 0.5227083 0.50998944 0.49757504 0.4854581 0.47363192 0.46208978 0.45082515 0.43983167 0.42910302 0.41863307 0.4084158 0.39844528 0.3887158 0.37922165 0.36995733 0.36091742 0.35209662 0.34348974 0.33509168 0.32689756 0.3189025 0.3111017 0.3034906 0.29606467 0.28881943 0.28175062 0.27485394 0.2681253 0.26156065 0.25515604 0.24890763 0.24281165 0.23686443 0.23106237 0.22540197 0.21987979 0.21449251 0.20923685 0.20410961 0.1991077 0.19422807 0.18946774 0.18482383 0.1802935 0.175874 0.17156263 0.16735676 0.16325381 0.15925129 0.15534674 0.15153779 0.1478221 0.14419739 0.14066145 0.13721211 0.13384727 0.13056484 0.12736283 0.124239266 0.12119224 0.11821987 0.11532034 0.11249187 0.10973272 0.107041195 0.10441564 0.10185444 0.09935603 0.096918866 0.094541445 0.09222232 0.089960046 0.08775324 0.08560054 0.08350063 0.08145221 0.07945403 0.077504836 0.075603455 0.07374869 0.07193942 0.07017453 0.06845292 0.06677353 0.06513533 0.063537315 0.061978493 0.060457904 0.058974616 0.057527713 0.056116298 0.05473951 0.05339649 0.052086413 0.05080848

</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="3.425" PeakHeight="255.379" Num="5" zHalfNm="238.767" Error="0.807">
-42.422 0.726 -0.767 0.415 -0.081
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" 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="6514.417" A="-1.28301556E11" B="3.9599244E7" C="-3055.372" Error="0.00167"/>
<QuasiParabolic ID="2" StartDistance="6514.417" EndDistance="6548.833" A="0.0" B="365.57254" C="-0.016087271" Error="0.00662"/>
<QuasiParabolic ID="3" StartDistance="6548.833" EndDistance="6550.0" A="-3.84764949E12" B="1.1748105E9" C="-89676.76" Error="0.00908"/>
<QuasiParabolic ID="4" StartDistance="6550.0" EndDistance="6566.0" A="1.1139693E11" B="-3.4058676E7" C="2603.3276" Error="0.0398"/>
<QuasiParabolic ID="5" StartDistance="6566.0" EndDistance="6582.0" A="-1.73794632E10" B="5166544.5" C="-383.66742" Error="0.012"/>
<QuasiParabolic ID="6" StartDistance="6582.0" EndDistance="6584.0" A="1.03382348E13" B="-3.14148019E9" C="238650.58" Error="0.0325"/>
<QuasiParabolic ID="7" StartDistance="6584.0" EndDistance="6586.0" A="1.18732368E13" B="-3.60776269E9" C="274060.84" Error="0.0157"/>
<QuasiParabolic ID="8" StartDistance="6586.0" EndDistance="6587.0" A="-2.24294024E12" B="6.7895981E8" C="-51381.19" Error="3.27E-11"/>
<QuasiParabolic ID="9" StartDistance="6587.0" EndDistance="6594.0" A="1.20000663E13" B="-3.64562074E9" C="276885.16" Error="0.0126"/>
<QuasiParabolic ID="10" StartDistance="6594.0" EndDistance="6613.0" A="2.36304592E13" B="-7.1731891E9" C="544368.4" Error="0.0387"/>
<QuasiParabolic ID="11" StartDistance="6613.0" EndDistance="6625.379" A="-4.6933255E13" B="1.41677189E10" C="-1069189.0" Error="0.0121"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="103.25" Depth="0.154"/>
<TopsideChapman PeakHeight="255.379" PeakDensity="145541.25" PeakScaleHeight="12.579" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
