<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-05 -125 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" >
2026.05.05 (125) 22:15:00</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">
FF202612505052215001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.950" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.725" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.715" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.350" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.800" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="270.604" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="239.173" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="221.541" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.110" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.321" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.107" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.427" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.700" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.300" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="39">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 230.000 232.500 232.500 232.500 235.000 235.000 235.000 235.000 236.250 237.500 238.750 240.000 241.250 242.500 243.750 245.000 245.000 245.000 247.500 247.500 250.000 252.500 252.500 255.000 255.000 255.000 260.000 260.000 265.000 266.250 267.500 270.604 274.197 278.404 283.398 289.421 296.830 306.163
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 72 72 75 75 84 0 0 75 0 0 0 0 0 0 0 81 84 84 69 72 69 66 69 66 69 72 66 66 54 0 54 48 63 63 75 75 78 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 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 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
</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 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 239.173 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0
</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 0.353812 0.35339895 0.35261247 0.3516065 0.35023698 0.34851307 0.34651887 0.34419376 0.34155348 0.33854687 0.33526585 0.33153415 0.32752004 0.32306805 0.31823066 0.3130061 0.3072951 0.30113927 0.29447237 0.28732234 0.2796049 0.2711702 0.2621697 0.25230387 0.24165411 0.23006094 0.21740833 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 0.2055 0.211 0.2165 0.222 0.2275 0.233 0.2385 0.244 0.2495 0.255 0.2605 0.266 0.2715 0.277 0.2825 0.288 0.2935 0.299 0.3045 0.31 0.3155 0.321 0.3265 0.332 0.3375 0.343 0.3485 0.354 0.3929307 0.43649444 0.4843095 0.5359424 0.5910387 0.64937824 0.7108594 0.77548313 0.84332234 0.91453516 0.98929167 1.0677863 1.1502472 1.2368957 1.3279314 1.4235144 1.5237858 1.6287776 1.7384704 1.8526644 1.9710107 2.0929763 2.2178385 2.3447058 2.472471 2.5999646 2.7259538 2.849225 2.9686313 3.0832162 3.1921062 3.2946491 3.3903277 3.4788015 3.559803 3.633191 3.6988966 3.756906 3.8072243 3.8498852 3.8849351 3.912424 3.932391 3.9448712 3.9498885 3.95 3.9485555 3.9430623 3.93366 3.9205542 3.9039505 3.8840537 3.8610675 3.8351917 3.806623 3.7755537 3.7421706 3.7066555 3.669184 3.629926 3.589044 3.5466948 3.503028 3.458186 3.412305 3.3655148 3.317937 3.2696877 3.2208762 3.1716058 3.1219728 3.0720685 3.0219774 2.9717793 2.9215484 2.871353 2.821257 2.7713203 2.7215967 2.6721373 2.622988 2.574191 2.5257857 2.4778068 2.4302866 2.383254 2.336735 2.290753 2.2453284 2.20048 2.1562233 2.1125727 2.0695403 2.0271358 1.985368 1.9442438 1.9037685 1.8639463 1.8247799 1.786271 1.74842 1.7112267 1.6746895 1.6388065 1.6035745 1.56899 1.5350487 1.5017457 1.4690757 1.4370328 1.4056108 1.374803 1.3446023 1.3150016 1.2859932 1.2575694 1.2297223 1.2024435 1.1757247 1.1495578 1.1239341 1.098845 1.0742817 1.0502357 1.0266982 1.0036606 0.98111385 0.9590496 0.937459 0.91633344 0.89566433 0.87544316 0.85566145 0.8363108 0.81738293 0.79886955 0.7807626 0.763054 0.74573576 0.7288001 0.7122393 0.6960457 0.68021166 0.66472995 0.64959323 0.63479424 0.6203259 0.6061814 0.59235376 0.5788363 0.56562245 0.5527057 0.54007965 0.5277381 0.5156748 0.5038839 0.49235937 0.4810954 0.47008634 0.4593266 0.4488107 0.43853328 0.4284891 0.41867298 0.4090799 0.39970493 0.39054322 0.38158998 0.3728406 0.36429057 0.35593536 0.3477707 0.33979225 0.33199584 0.32437742 0.31693295 0.30965856 0.30255038 0.29560465 0.28881776 0.2821861 0.2757061 0.26937443 0.26318765 0.2571425 0.2512358 0.2454644 0.23982519 0.23431519 0.22893144 0.22367112 0.21853137 0.21350949 0.20860274 0.20380855 0.19912432 0.19454755 0.1900758 0.18570666 0.18143779 0.1772669 0.17319176 0.16921015 0.16531998 0.16151911 0.15780553 0.15417723 0.15063228 0.14716873 0.14378475 0.1404785 0.13724822 0.13409214 0.13100858 0.12799588 0.12505239 0.12217656 0.11936681 0.116621636 0.11393956 0.111319125 0.10875893 0.10625757 0.10381372 0.10142605 0.09909326 0.0968141 0.09458735 0.09241179 0.09028625 0.08820957 0.08618065 0.08419838 0.08226168 0.080369525 0.07852088 0.07671474 0.074950136 0.07322611 0.07154173 0.06989609 0.06828829 0.06671746 0.06518277 0.06368337 0.06221845 0.060787227 0.059388917 0.05802277 0.056688044 0.055384018 0.054109983 0.052865252 0.051649153 0.050461024

</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="3.95" PeakHeight="239.173" Num="5" zHalfNm="221.541" Error="1.08">
-46.132 1.787 -1.452 0.909 -0.285
</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="6508.0" A="-1.93482834E11" B="5.9716924E7" C="-4607.662" Error="0.00161"/>
<QuasiParabolic ID="2" StartDistance="6508.0" EndDistance="6536.0" A="0.0" B="358.93076" C="-0.015129229" Error="0.00533"/>
<QuasiParabolic ID="3" StartDistance="6536.0" EndDistance="6561.0" A="5.1564745E10" B="-1.5875761E7" C="1221.9521" Error="0.00533"/>
<QuasiParabolic ID="4" StartDistance="6561.0" EndDistance="6562.0" A="-1.98794019E12" B="6.0582976E8" C="-46156.918" Error="6.39E-11"/>
<QuasiParabolic ID="5" StartDistance="6562.0" EndDistance="6567.0" A="8.1511595E12" B="-2.48441702E9" C="189308.39" Error="0.0397"/>
<QuasiParabolic ID="6" StartDistance="6567.0" EndDistance="6576.0" A="1.15432657E13" B="-3.5174935E9" C="267965.03" Error="0.0246"/>
<QuasiParabolic ID="7" StartDistance="6576.0" EndDistance="6595.0" A="3.10845196E13" B="-9.4606971E9" C="719850.94" Error="0.03"/>
<QuasiParabolic ID="8" StartDistance="6595.0" EndDistance="6609.173" A="-5.2288224E13" B="1.58229258E10" C="-1197027.1" Error="0.0113"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="84.0" Depth="0.154"/>
<TopsideChapman PeakHeight="239.173" PeakDensity="193579.4" PeakScaleHeight="13.427" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
