<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-12 -132 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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.12 (132) 02:25:00</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">
FF202613205120225001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.536" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.492" 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="3.600" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="282.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="282.500" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.075" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="287.344" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" 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="269.033" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="250.339" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.006" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="26.783" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.802" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.138" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.660" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.150" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="10">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
282.500 283.750 287.344 291.516 296.420 302.265 309.352 318.122 329.259 343.866
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
81 0 99 96 0 96 99 93 0 93
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="392">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.43834 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.87666 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 222.315 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 269.033 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0
</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 0.35369936 0.35321155 0.35265046 0.35186782 0.3509409 0.34987223 0.3485184 0.34710428 0.34541634 0.34360573 0.3416073 0.33942926 0.33701238 0.3344367 0.33171254 0.328722 0.32548508 0.3220845 0.31841838 0.31457326 0.31046137 0.3061195 0.30148196 0.29657635 0.291342 0.2858561 0.28002897 0.27389392 0.26736325 0.26035723 0.25301886 0.24517477 0.23683685 0.22787945 0.21837756 0.20821965 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 0.2 0.2 0.2 0.20050733 0.20462075 0.20873418 0.21284762 0.21696104 0.22107448 0.22518791 0.22930133 0.23341477 0.2375282 0.24164163 0.24575506 0.2498685 0.25398192 0.25809535 0.2622088 0.26632223 0.27043566 0.27454907 0.2786625 0.28277594 0.28688937 0.2910028 0.29511625 0.29922965 0.3033431 0.30745652 0.31156996 0.3156834 0.31979683 0.32391027 0.32802367 0.3321371 0.33625054 0.34036398 0.34447742 0.34859085 0.35270426 0.354 0.37682384 0.41290516 0.4521914 0.49457306 0.53993905 0.5882075 0.6392716 0.69310075 0.749663 0.8089323 0.87091255 0.93562084 1.0030453 1.0731769 1.1460189 1.221512 1.2995735 1.380137 1.463022 1.5480818 1.6350527 1.7236658 1.8135769 1.9044054 1.9957324 2.0871 2.177987 2.267905 2.35635 2.4427614 2.5266926 2.6076145 2.685129 2.7588062 2.82827 2.893213 2.9533162 3.0083559 3.0581036 3.1023884 3.141057 3.1739979 3.2011025 3.222304 3.2375433 3.2467823 3.2499938 3.25 3.2485366 3.2440362 3.2366412 3.2264962 3.2137463 3.1985364 3.1810093 3.161307 3.1395686 3.1159303 3.0905254 3.0634835 3.03493 3.0049868 2.9737713 2.9413962 2.9079704 2.8735976 2.8383772 2.8024042 2.7657685 2.7285564 2.6908488 2.652723 2.6142516 2.5755033 2.5365427 2.4974303 2.4582233 2.4189746 2.3797343 2.3405485 2.3014605 2.2625105 2.2237353 2.1851697 2.1468449 2.10879 2.0710318 2.0335948 1.9965011 1.9597708 1.9234222 1.8874718 1.8519341 1.8168223 1.7821479 1.747921 1.7141505 1.6808438 1.6480075 1.6156467 1.5837659 1.552368 1.5214559 1.491031 1.4610943 1.4316458 1.4026852 1.3742112 1.3462225 1.3187168 1.2916914 1.2651436 1.2390697 1.2134662 1.1883287 1.1636531 1.1394347 1.1156687 1.0923499 1.0694731 1.047033 1.0250239 1.0034401 0.982276 0.96152556 0.9411828 0.92124176 0.9016964 0.8825405 0.8637681 0.84537286 0.82734877 0.80968964 0.79238933 0.77544177 0.75884074 0.7425803 0.72665435 0.71105695 0.6957822 0.6808241 0.6661769 0.65183485 0.63779217 0.6240432 0.61058253 0.5974045 0.58450365 0.5718747 0.55951226 0.5474112 0.53556633 0.52397263 0.51262504 0.50151867 0.4906487 0.48001033 0.46959892 0.4594099 0.44943866 0.4396808 0.43013197 0.4207878 0.4116442 0.4026969 0.3939419 0.3853752 0.37699285 0.36879107 0.36076602 0.35291407 0.3452315 0.33771482 0.3303605 0.32316512 0.31612533 0.30923787 0.30249944 0.29590696 0.28945726 0.28314734 0.2769742 0.27093494 0.26502672 0.2592467 0.25359216 0.2480604 0.24264881 0.23735479 0.23217583 0.22710946 0.22215325 0.21730484 0.21256189 0.20792216 0.20338339 0.19894342 0.1946001 0.19035138 0.1861952 0.18212953 0.17815244 0.174262 0.17045635 0.16673365 0.16309209 0.15952992 0.15604542 0.15263692 0.14930274 0.14604127 0.14285095 0.13973023 0.13667758 0.13369155 0.13077067 0.12791353 0.12511875 0.122384965 0.119710855 0.11709511 0.11453647 0.112033695 0.10958555 0.10719087 0.10484847 0.10255722 0.100316 0.09812374 0.09597934 0.093881786 0.09183004 0.089823104 0.08786001 0.0859398 0.08406153 0.082224295 0.0804272 0.078669354 0.07694992 0.07526805 0.07362293 0.07201374 0.07043972 0.06890009 0.06739411 0.06592102 0.06448013 0.06307072 0.06169212 0.060343634 0.05902462 0.057734434 0.05647244 0.055238023 0.054030586 0.05284954 0.0516943 0.050564308

</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="3.25" PeakHeight="269.033" Num="5" zHalfNm="250.339" Error="0.622">
-47.141 0.768 -0.535 0.311 -0.121
</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="6517.438" A="-1.08519596E11" B="3.3493704E7" C="-2584.2654" Error="0.00178"/>
<QuasiParabolic ID="2" StartDistance="6517.438" EndDistance="6554.877" A="0.0" B="-2736.47" C="0.45990843" Error="0.0609"/>
<QuasiParabolic ID="3" StartDistance="6554.877" EndDistance="6587.0" A="6.9185135E10" B="-2.1149278E7" C="1616.323" Error="0.0609"/>
<QuasiParabolic ID="4" StartDistance="6587.0" EndDistance="6588.0" A="-1.25425274E12" B="3.80684E8" C="-28885.672" Error="3.3E-11"/>
<QuasiParabolic ID="5" StartDistance="6588.0" EndDistance="6592.0" A="1.16873993E12" B="-3.548936E8" C="26941.408" Error="0.0236"/>
<QuasiParabolic ID="6" StartDistance="6592.0" EndDistance="6600.0" A="8.2412957E12" B="-2.50069325E9" C="189699.28" Error="0.0677"/>
<QuasiParabolic ID="7" StartDistance="6600.0" EndDistance="6626.0" A="1.43956378E13" B="-4.3656453E9" C="330983.53" Error="0.0454"/>
<QuasiParabolic ID="8" StartDistance="6626.0" EndDistance="6639.033" A="-3.45097372E13" B="1.03960125E10" C="-782935.75" Error="0.0102"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="112.315" Depth="0.154"/>
<TopsideChapman PeakHeight="269.033" PeakDensity="131048.39" PeakScaleHeight="14.138" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
