<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-13 -133 21:40:00.000"
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 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" >
2026.05.13 (133) 21:40:00</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">
FF202613305132140001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.722" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.096" 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="3.600" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="252.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="252.500" 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="3.025" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="255.777" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.456" 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="246.052" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="226.248" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.840" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.230" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.856" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.065" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.130" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.210" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="11">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
252.500 255.777 259.565 263.990 269.230 275.534 283.259 292.949 305.464 322.247 345.933
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 69 69 66 66 0 0 0 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 -9.375 -3.125 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="384">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
92.013 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 139.61034 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 169.22067 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 198.831 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 246.052 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.23942187 0.27314985 0.30153045 0.3257559 0.34670672 0.3649812 0.38098615 0.3950192 0.40729427 0.4179754 0.42717984 0.4350032 0.44151983 0.44678375 0.45083722 0.45371228 0.4554292 0.456 0.45578125 0.455188 0.45416003 0.4527639 0.45088172 0.4486461 0.44594473 0.44279236 0.4392655 0.43526408 0.43075526 0.42582577 0.42034003 0.41439578 0.4078791 0.40079924 0.39310262 0.38485238 0.37578124 0.3661253 0.3556208 0.3441848 0.3318291 0.31840804 0.30369374 0.28751692 0.2696973 0.24992478 0.22793643 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 0.20673783 0.21538346 0.2240291 0.23267472 0.24132036 0.24996598 0.25861162 0.26725724 0.27590287 0.2845485 0.29319414 0.30183977 0.3104854 0.31913102 0.32777664 0.3364223 0.34506792 0.35371354 0.36235917 0.37100482 0.37965044 0.38829607 0.3969417 0.40558732 0.41423297 0.4228786 0.43152422 0.44016984 0.4488155 0.456 0.46195796 0.4991983 0.5397136 0.5832508 0.6295474 0.67835903 0.7294889 0.782804 0.83823836 0.89574844 0.95534474 1.0170475 1.0809158 1.1469704 1.2152812 1.285883 1.3587701 1.4339737 1.5114242 1.5910629 1.6727239 1.7562495 1.8413465 1.9276893 2.0148938 2.102491 2.1899338 2.2767146 2.3622127 2.4458897 2.5271645 2.6055408 2.680552 2.7517853 2.818897 2.881626 2.9397464 2.9930997 3.0415428 3.0850117 3.123439 3.1567981 3.1850648 3.2082384 3.2263129 3.2392943 3.2471864 3.2499945 3.25 3.2487597 3.2448375 3.2383482 3.2294111 3.2181468 3.2046742 3.189113 3.1715803 3.1521924 3.1310632 3.1083045 3.0840254 3.058332 3.0313275 3.0031118 2.9737818 2.943431 2.9121485 2.880021 2.8471315 2.8135586 2.7793784 2.7446628 2.7094805 2.673897 2.6379743 2.6017709 2.5653422 2.528741 2.4920163 2.455215 2.4183807 2.3815541 2.344774 2.3080761 2.2714937 2.2350583 2.1987987 2.1627414 2.1269119 2.0913324 2.0560248 2.0210078 1.9862995 1.9519159 1.9178716 1.8841802 1.8508533 1.817902 1.7853355 1.7531625 1.7213902 1.6900252 1.659073 1.628538 1.5984243 1.568735 1.5394722 1.5106379 1.482233 1.4542582 1.4267133 1.399598 1.3729113 1.3466518 1.3208177 1.2954068 1.270417 1.2458451 1.2216884 1.1979433 1.1746066 1.1516744 1.1291428 1.1070076 1.0852647 1.0639096 1.0429379 1.0223448 1.0021259 0.982276 0.9627906 0.94366455 0.92489296 0.90647084 0.88839304 0.87065464 0.8532505 0.8361755 0.8194246 0.8029927 0.7868748 0.7710657 0.7555606 0.74035424 0.7254418 0.7108183 0.69647884 0.6824186 0.6686327 0.6551163 0.64186484 0.6288735 0.61613774 0.6036529 0.5914145 0.57941806 0.5676592 0.5561335 0.54483676 0.5337647 0.5229131 0.5122779 0.501855 0.49164042 0.48163024 0.47182056 0.4622076 0.45278752 0.4435567 0.43451148 0.4256483 0.41696364 0.40845403 0.4001161 0.39194643 0.38394183 0.37609902 0.36841485 0.36088622 0.35351002 0.3462833 0.3392031 0.33226648 0.32547066 0.3188128 0.3122902 0.30590013 0.29963997 0.29350713 0.28749907 0.2816133 0.27584735 0.27019885 0.26466545 0.2592448 0.25393468 0.24873284 0.24363708 0.23864532 0.23375542 0.22896534 0.22427307 0.21967663 0.21517408 0.21076351 0.20644309 0.20221096 0.19806536 0.1940045 0.19002672 0.18613027 0.18231353 0.17857487 0.17491272 0.17132552 0.16781174 0.16436988 0.16099848 0.15769611 0.15446137 0.15129286 0.14818926 0.14514922 0.14217146 0.1392547 0.1363977 0.13359925 0.13085815 0.12817322 0.12554331 0.1229673 0.1204441 0.11797262 0.11555181 0.11318062 0.11085805 0.10858311 0.10635481 0.1041722 0.10203435 0.099940345 0.09788929 0.09588029 0.093912505 0.09198507 0.09009718 0.088248014 0.08643678 0.0846627 0.08292501 0.081222974 0.079555854 0.07792294 0.076323524 0.07475693 0.07322247 0.071719505 0.070247374 0.068805456 0.06739312 0.06600977 0.0646548 0.06332764 0.06202771 0.06075446 0.05950734 0.058285814 0.057089355 0.055917453 0.0547696 0.05364531 0.052544087 0.05146547 0.05040899

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.456" PeakHeight="110.0" Num="3" Error="0.0">
-21.507 3.839 -0.319
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.456" EndFrequency="3.25" PeakHeight="246.052" Num="5" zHalfNm="226.248" Error="1.247">
-47.473 0.84 -0.982 0.603 -0.209
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.008" EndDistance="6480.001" A="-9.1162398E11" B="2.81365408E8" C="-21710.086" Error="0.00706"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6509.61" A="-3.41253456E11" B="1.05325144E8" C="-8126.7324" Error="0.00586"/>
<QuasiParabolic ID="2" StartDistance="6509.61" EndDistance="6539.221" A="0.0" B="-390.54297" C="0.09978197" Error="0.00532"/>
<QuasiParabolic ID="3" StartDistance="6539.221" EndDistance="6566.0" A="1.39933467E11" B="-4.2945036E7" C="3294.918" Error="0.00147"/>
<QuasiParabolic ID="4" StartDistance="6566.0" EndDistance="6568.0" A="1.58851373E12" B="-4.84181792E8" C="36895.035" Error="0.00323"/>
<QuasiParabolic ID="5" StartDistance="6568.0" EndDistance="6583.0" A="9.3849303E12" B="-2.85824307E9" C="217624.42" Error="0.0346"/>
<QuasiParabolic ID="6" StartDistance="6583.0" EndDistance="6601.0" A="1.5815331E13" B="-4.811881E9" C="366009.5" Error="0.0346"/>
<QuasiParabolic ID="7" StartDistance="6601.0" EndDistance="6616.052" A="-2.91344661E13" B="8.8072059E9" C="-665583.2" Error="0.0116"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="88.831" Depth="0.256"/>
<TopsideChapman PeakHeight="246.052" PeakDensity="131048.39" PeakScaleHeight="15.065" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
