<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-26 -146 08:10:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: F2o cusp not found, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.26 (146) 08:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202614605260810001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.325" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.701" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="8.605" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.050" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.050" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="2.675" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="260.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="260.000" 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="2.325" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="292.891" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.050" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.050" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="249.250" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="232.908" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.493" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="23.136" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.366" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.188" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="23.830" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.940" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="12">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
260.000 261.875 263.750 265.625 267.500 270.049 272.864 275.989 279.477 283.396 287.831 292.891
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 0 0 0 78 0 0 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
1.5625 -4.6875 -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="330">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.53334 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 177.06667 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 210.6 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 249.25 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0
</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 0.3502021 0.34877196 0.34721017 0.3453772 0.34328318 0.34100938 0.33849627 0.33575746 0.33274135 0.3294682 0.32595965 0.32217717 0.31809068 0.31373724 0.30904448 0.30406612 0.29875612 0.29311427 0.28706732 0.28056276 0.27367875 0.26637563 0.2585 0.25013062 0.24107382 0.23148724 0.22106326 0.20983227 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 0.20428628 0.20887873 0.21347117 0.21806362 0.22265606 0.2272485 0.23184095 0.2364334 0.24102585 0.24561828 0.25021073 0.25480318 0.25939563 0.26398808 0.26858053 0.27317297 0.2777654 0.28235784 0.2869503 0.29154274 0.2961352 0.30072764 0.30532008 0.30991253 0.31450498 0.31909743 0.32368985 0.3282823 0.33287475 0.3374672 0.34205964 0.3466521 0.35124454 0.354 0.36880445 0.4062801 0.4451165 0.48589185 0.5290381 0.5748442 0.6235012 0.67510223 0.72961336 0.78693056 0.8468354 0.90904206 0.9732113 1.0389897 1.1060218 1.1739401 1.2424301 1.3111974 1.3799435 1.4484404 1.5164535 1.5837419 1.6500791 1.7152376 1.7789624 1.8409932 1.9010509 1.9587992 2.013906 2.0659702 2.1145856 2.1592975 2.199641 2.2351353 2.2653024 2.2897003 2.3079405 2.3197064 2.3247876 2.325 2.3241513 2.3204603 2.3139918 2.304907 2.2933686 2.2795365 2.2635703 2.2456257 2.2258554 2.2044075 2.1814253 2.1570477 2.1314075 2.104632 2.076843 2.0481565 2.018682 1.9885236 1.9577794 1.9265416 1.8948967 1.8629262 1.8307058 1.798306 1.7657924 1.7332258 1.7006626 1.6681547 1.6357496 1.6034912 1.5714194 1.5395706 1.507978 1.4766716 1.4456781 1.415022 1.3847247 1.3548056 1.3252813 1.2961667 1.2674745 1.239216 1.2114 1.1840346 1.157126 1.130679 1.1046973 1.0791836 1.0541393 1.0295651 1.0054606 0.98182476 0.95865583 0.9359513 0.91370815 0.8919229 0.87059134 0.8497091 0.8292713 0.8092728 0.7897081 0.77057135 0.75185674 0.73355794 0.71566874 0.6981826 0.681093 0.6643931 0.64807636 0.6321358 0.6165647 0.60135615 0.58650327 0.57199913 0.55783707 0.5440101 0.5305115 0.5173346 0.5044727 0.4919191 0.47966734 0.46771094 0.45604354 0.44465876 0.43355042 0.4227124 0.4121386 0.40182316 0.39176017 0.38194388 0.37236863 0.3630289 0.35391924 0.34503424 0.33636868 0.32791743 0.3196754 0.31163764 0.30379936 0.29615575 0.28870216 0.28143406 0.27434698 0.26743656 0.26069853 0.2541287 0.247723 0.24147743 0.2353881 0.22945118 0.22366294 0.21801974 0.212518 0.20715427 0.20192514 0.19682728 0.19185746 0.18701251 0.18228933 0.17768492 0.1731963 0.16882063 0.16455509 0.16039693 0.15634349 0.15239215 0.14854036 0.14478564 0.14112557 0.13755777 0.13407995 0.13068984 0.12738526 0.12416405 0.12102413 0.11796346 0.11498005 0.11207196 0.1092373 0.10647422 0.10378093 0.10115567 0.09859673 0.09610243 0.093671165 0.09130133 0.08899138 0.086739816 0.084545165 0.082405984 0.08032088 0.078288496 0.07630749 0.074376576 0.072494484 0.07065999 0.06887188 0.06712899 0.06543019 0.06377435 0.06216039 0.06058726 0.059053916 0.057559364 0.05610262 0.054682728 0.053298756 0.0519498 0.050634973

</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="2.325" PeakHeight="249.25" Num="5" zHalfNm="232.908" Error="0.477">
-38.084 -0.988 0.653 -0.39 0.159
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6513.533" A="-1.35116816E11" B="4.170272E7" C="-3217.6772" Error="0.00166"/>
<QuasiParabolic ID="2" StartDistance="6513.533" EndDistance="6547.067" A="0.0" B="39.85211" C="0.033912987" Error="7.83E-4"/>
<QuasiParabolic ID="3" StartDistance="6547.067" EndDistance="6548.0" A="9.560139E12" B="-2.92015437E9" C="222991.11" Error="0.0836"/>
<QuasiParabolic ID="4" StartDistance="6548.0" EndDistance="6568.0" A="-6.1588939E10" B="1.8675032E7" C="-1415.5494" Error="0.0788"/>
<QuasiParabolic ID="5" StartDistance="6568.0" EndDistance="6580.0" A="2.44133347E11" B="-7.4419448E7" C="5671.424" Error="0.0367"/>
<QuasiParabolic ID="6" StartDistance="6580.0" EndDistance="6595.0" A="8.7260361E12" B="-2.65250534E9" C="201574.61" Error="0.0605"/>
<QuasiParabolic ID="7" StartDistance="6595.0" EndDistance="6610.0" A="7.0592616E12" B="-2.14703936E9" C="163252.7" Error="0.0355"/>
<QuasiParabolic ID="8" StartDistance="6610.0" EndDistance="6619.25" A="-2.62646352E13" B="7.9358341E9" C="-599445.75" Error="0.00856"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="100.6" Depth="0.154"/>
<TopsideChapman PeakHeight="249.25" PeakDensity="67067.305" PeakScaleHeight="12.188" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
