<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-12 -102 22:15:00.000"
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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.12 (102) 22:15:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610204122215001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.774" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.868" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.075" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.075" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.950" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.525" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="262.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.396" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.075" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.075" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="234.862" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="218.936" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.312" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="22.841" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.872" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.050" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="22.940" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.090" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="25">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.625 3.65 3.675
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 230.000 231.667 233.333 235.000 236.250 237.500 238.333 239.167 240.000 242.500 245.000 250.000 255.000 252.500 255.000 257.500 260.000 262.500 266.379 270.873 276.143 282.408 289.979 299.313
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 0 0 69 96 99 0 0 84 84 75 72 72 0 69 66 0 0 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 -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 -9.375 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="329">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
92.731 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 234.862 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.20853552 0.23728335 0.26176316 0.28277043 0.3009774 0.31686863 0.33079293 0.34299937 0.35367617 0.36296162 0.3709631 0.37776175 0.38342336 0.38799605 0.3915173 0.39401364 0.3955044 0.396 0.39585644 0.39523482 0.3943292 0.39304823 0.39139864 0.38929588 0.38684648 0.38406387 0.38078344 0.37720835 0.3730983 0.36857644 0.36367884 0.35820425 0.35229474 0.3458624 0.338847 0.33121994 0.32298666 0.3140689 0.30446106 0.29392824 0.28250825 0.2700595 0.25647864 0.24150407 0.22492675 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 0.207 0.214 0.221 0.228 0.235 0.242 0.249 0.256 0.263 0.27 0.277 0.284 0.291 0.298 0.305 0.312 0.319 0.326 0.333 0.34 0.347 0.354 0.361 0.368 0.375 0.382 0.389 0.396 0.43974185 0.48792318 0.54034734 0.59683573 0.65723795 0.72142804 0.7893792 0.8610838 0.93656695 1.0158752 1.099054 1.1861557 1.277224 1.3722225 1.4710997 1.5737854 1.6800549 1.7896404 1.9021965 2.01723 2.1341715 2.2523386 2.3709517 2.489147 2.6060386 2.7206728 2.8321292 2.9394817 3.0418813 3.138507 3.2286866 3.3117437 3.3871708 3.4544728 3.513306 3.563337 3.6043315 3.636103 3.6585095 3.6714633 3.675 3.674953 3.6718626 3.6641245 3.6520023 3.6357613 3.6156652 3.5919762 3.5649524 3.5348458 3.501903 3.4663627 3.4284558 3.3884041 3.3464203 3.3027081 3.2574613 3.2108636 3.1630893 3.1143026 3.0646589 3.014303 2.9633713 2.9119911 2.8602808 2.8083506 2.7563026 2.7042315 2.6522238 2.6003604 2.548714 2.497352 2.4463356 2.39572 2.3455558 2.2958882 2.2467577 2.1982007 2.1502488 2.1029308 2.0562716 2.010292 1.9650111 1.9204441 1.8766041 1.8335016 1.7911447 1.74954 1.7086916 1.6686022 1.6292729 1.5907034 1.5528916 1.5158349 1.4795294 1.44397 1.4091507 1.3750652 1.3417059 1.3090651 1.2771341 1.2459038 1.215365 1.1855079 1.1563222 1.1277977 1.0999237 1.0726894 1.0460838 1.020096 0.9947147 0.96992874 0.94572693 0.92209804 0.8990308 0.8765141 0.8545367 0.8330877 0.8121559 0.7917306 0.77180094 0.75235623 0.733386 0.71487975 0.69682723 0.67921835 0.66204315 0.64529175 0.62895447 0.61302185 0.59748447 0.58233327 0.5675591 0.5531532 0.53910685 0.52541155 0.512059 0.49904084 0.48634923 0.47397625 0.46191424 0.45015562 0.43869308 0.42751938 0.41662747 0.40601045 0.3956616 0.38557428 0.3757421 0.36615875 0.35681805 0.347714 0.33884075 0.33019254 0.32176375 0.31354895 0.30554277 0.29773998 0.2901355 0.2827244 0.2755018 0.26846293 0.26160324 0.25491816 0.24840333 0.24205445 0.23586732 0.2298379 0.22396214 0.21823621 0.21265629 0.2072187 0.20191984 0.19675617 0.19172429 0.18682083 0.18204255 0.17738627 0.1728489 0.1684274 0.16411883 0.1599203 0.15582906 0.15184234 0.14795749 0.14417192 0.1404831 0.13688856 0.13338591 0.12997279 0.12664694 0.123406105 0.12024814 0.11717093 0.11417241 0.111250564 0.10840345 0.10562915 0.102925815 0.100291625 0.09772481 0.09522366 0.09278649 0.09041168 0.08809761 0.08584275 0.08364558 0.08150463 0.07941846 0.077385664 0.07540488 0.07347479 0.07159408 0.06976151 0.06797583 0.06623584 0.06454038 0.06288832 0.061278526 0.059709936 0.05818149 0.056692164 0.055240955 0.053826887 0.05244901 0.0511064

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.396" PeakHeight="110.0" Num="3" Error="0.0">
-20.107 3.049 -0.211
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.396" EndFrequency="3.675" PeakHeight="234.862" Num="5" zHalfNm="218.936" Error="0.977">
-40.722 0.008 -0.333 0.294 -0.109
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.009" EndDistance="6480.001" A="-6.8776421E11" B="2.12272912E8" C="-16378.926" Error="0.00329"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6508.0" A="-2.65109258E11" B="8.1823848E7" C="-6313.4116" Error="0.0026"/>
<QuasiParabolic ID="2" StartDistance="6508.0" EndDistance="6536.0" A="0.0" B="-2316.7625" C="0.3959348" Error="0.0368"/>
<QuasiParabolic ID="3" StartDistance="6536.0" EndDistance="6563.0" A="1.27315984E11" B="-3.9054952E7" C="2995.1094" Error="0.0368"/>
<QuasiParabolic ID="4" StartDistance="6563.0" EndDistance="6569.0" A="1.25496417E13" B="-3.82461824E9" C="291397.0" Error="0.028"/>
<QuasiParabolic ID="5" StartDistance="6569.0" EndDistance="6571.0" A="8.6398756E12" B="-2.63424947E9" C="200791.98" Error="0.00497"/>
<QuasiParabolic ID="6" StartDistance="6571.0" EndDistance="6577.0" A="1.95352204E13" B="-5.9504404E9" C="453127.3" Error="0.00385"/>
<QuasiParabolic ID="7" StartDistance="6577.0" EndDistance="6581.0" A="3.33598687E13" B="-1.01543772E10" C="772721.1" Error="0.00287"/>
<QuasiParabolic ID="8" StartDistance="6581.0" EndDistance="6594.0" A="2.32200172E13" B="-7.0728243E9" C="538596.1" Error="0.0289"/>
<QuasiParabolic ID="9" StartDistance="6594.0" EndDistance="6604.862" A="-6.0250296E13" B="1.8244225E10" C="-1381107.4" Error="0.00936"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="84.0" Depth="0.196"/>
<TopsideChapman PeakHeight="234.862" PeakDensity="167563.58" PeakScaleHeight="12.05" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
