<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-22 -081 00:00:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 65% PACIFIC flags: Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.22 (081) 00:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608103220000001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.050" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.587" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.526" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.575" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.575" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.350" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="227.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="227.500" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.925" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="293.695" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.575" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.575" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="248.894" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="225.877" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.597" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="32.950" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.501" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.468" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="31.190" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.520" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="60">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.575 2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 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 3.975 4.0 4.025 4.05
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 228.750 230.000 230.000 230.000 230.000 230.000 231.250 232.500 233.750 235.000 235.000 236.000 237.000 238.000 239.000 240.000 240.000 240.000 241.042 242.083 243.125 244.167 245.208 246.250 247.292 248.333 249.375 250.417 251.458 252.500 255.000 255.000 255.000 257.500 260.000 260.000 262.500 262.500 265.000 265.000 266.185 267.449 268.801 270.250 271.807 273.485 275.298 277.264 279.402 281.736 284.295 287.112 290.228 293.695 297.575 301.945 306.905 312.585 319.152
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 72 72 0 0 57 0 48 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 72 72 96 90 84 84 90 87 87 84 93 0 78 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
</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 -1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 -10.9375 -1.5625 -7.8125 -1.5625 1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -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="434">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 137.41667 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 164.83333 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 192.25 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 248.894 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0
</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 0.35145745 0.35001534 0.348294 0.34623033 0.34376696 0.34099412 0.3378617 0.33439493 0.33055604 0.32631677 0.32166007 0.316581 0.31108782 0.3051483 0.29865354 0.2916688 0.28410435 0.27593207 0.26707086 0.25740978 0.24700987 0.23557876 0.22317484 0.20959583 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 0.20093617 0.20655319 0.21217021 0.21778724 0.22340426 0.22902128 0.2346383 0.24025533 0.24587233 0.25148937 0.2571064 0.26272342 0.26834044 0.27395746 0.27957445 0.28519148 0.2908085 0.29642552 0.30204254 0.30765957 0.3132766 0.3188936 0.32451063 0.33012766 0.33574468 0.3413617 0.34697872 0.35259575 0.354 0.3840452 0.42289418 0.46151134 0.50060713 0.54065126 0.5819906 0.62492007 0.669696 0.71655583 0.76574796 0.8174904 0.8720306 0.9295906 0.9903932 1.0546681 1.1226315 1.1944579 1.2703278 1.3503426 1.4345628 1.5229598 1.615445 1.7118078 1.8117062 1.9147307 2.0203278 2.1278877 2.236684 2.3460042 2.45513 2.5633514 2.6699684 2.774435 2.876171 2.9747546 3.0698164 3.1610506 3.2482147 3.3311386 3.4096982 3.483776 3.55331 3.618261 3.6786318 3.7343915 3.7855544 3.832136 3.8741488 3.9116182 3.9445581 3.972991 3.9969482 4.0164313 4.031468 4.042065 4.0482326 4.05 4.0499854 4.0484357 4.044397 4.037964 4.0292325 4.0182986 4.005258 3.990206 3.9732375 3.9544468 3.933926 3.9117675 3.8880603 3.862893 3.8363516 3.8085208 3.7794821 3.7493157 3.718099 3.6859078 3.6528149 3.6188903 3.5842023 3.5488167 3.5127966 3.4762025 3.439093 3.4015238 3.3635485 3.3252184 3.2865825 3.2476873 3.2085776 3.1692955 3.1298814 3.0903733 3.050808 3.0112193 2.97164 2.932101 2.8926308 2.853257 2.8140054 2.7748997 2.735963 2.6972163 2.6586795 2.6203709 2.5823078 2.5445063 2.5069811 2.469746 2.4328141 2.3961964 2.359904 2.3239467 2.2883332 2.2530718 2.2181695 2.183633 2.1494687 2.1156807 2.0822744 2.0492532 2.0166209 1.9843799 1.9525326 1.9210811 1.8900265 1.8593698 1.8291116 1.7992519 1.7697908 1.7407277 1.7120616 1.6837916 1.6559162 1.628434 1.6013427 1.5746405 1.5483252 1.5223942 1.4968448 1.4716743 1.4468796 1.4224579 1.3984057 1.3747199 1.3513968 1.328433 1.3058251 1.2835692 1.2616615 1.2400985 1.218876 1.1979903 1.1774373 1.1572132 1.137314 1.1177355 1.0984737 1.0795248 1.0608844 1.0425485 1.0245132 1.0067744 0.98932797 0.9721699 0.9552961 0.9387027 0.9223856 0.9063408 0.89056444 0.8750525 0.8598012 0.84480655 0.8300648 0.815572 0.80132455 0.7873186 0.77355045 0.7600165 0.74671304 0.7336365 0.7207833 0.70814997 0.695733 0.68352896 0.6715344 0.65974605 0.6481605 0.63677454 0.62558496 0.61458844 0.603782 0.5931624 0.5827266 0.5724716 0.56239444 0.5524921 0.54276174 0.53320044 0.52380544 0.514574 0.50550324 0.49659058 0.48783332 0.47922885 0.47077456 0.46246797 0.45430654 0.44628778 0.43840933 0.43066877 0.42306373 0.4155919 0.40825105 0.40103886 0.3939532 0.38699186 0.3801527 0.37343365 0.36683258 0.36034754 0.35397646 0.3477174 0.3415684 0.3355276 0.3295931 0.32376307 0.31803566 0.31240913 0.3068817 0.30145165 0.2961173 0.29087698 0.28572905 0.2806719 0.27570394 0.27082363 0.26602942 0.26131982 0.25669333 0.2521485 0.24768393 0.24329819 0.2389899 0.23475772 0.2306003 0.22651634 0.22250453 0.21856362 0.21469235 0.21088953 0.20715393 0.20348437 0.1998797 0.19633877 0.19286047 0.18944368 0.18608733 0.18279035 0.1795517 0.17637035 0.1732453 0.17017554 0.1671601 0.16419803 0.16128838 0.15843023 0.15562269 0.15286483 0.1501558 0.14749473 0.14488079 0.14231311 0.13979091 0.13731337 0.1348797 0.13248911 0.13014089 0.12783423 0.12556845 0.12334278 0.12115654 0.11900903 0.116899565 0.11482746 0.11279207 0.110792734 0.10882882 0.10689969 0.10500476 0.10314339 0.101315 0.09951901 0.097754836 0.09602193 0.09431973 0.092647694 0.09100528 0.089391984 0.08780727 0.08625064 0.084721595 0.08321965 0.08174432 0.080295146 0.07887165 0.07747339 0.0760999 0.07475076 0.07342553 0.072123796 0.07084513 0.06958912 0.06835539 0.067143515 0.06595313 0.064783834 0.063635275 0.06250707 0.061398864 0.060310304 0.05924104 0.058190733 0.05715904 0.05614564 0.0551502 0.054172408 0.053211953 0.05226852 0.051341813 0.050431535

</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="4.05" PeakHeight="248.894" Num="5" zHalfNm="225.877" Error="1.281">
-59.027 3.885 -2.682 1.198 -0.018
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" 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="6507.417" A="-2.01785164E11" B="6.2279372E7" C="-4805.382" Error="0.00146"/>
<QuasiParabolic ID="2" StartDistance="6507.417" EndDistance="6534.833" A="0.0" B="583.33417" C="-0.04962793" Error="0.00906"/>
<QuasiParabolic ID="3" StartDistance="6534.833" EndDistance="6537.0" A="-1.35074808E12" B="4.131904E8" C="-31598.428" Error="0.0393"/>
<QuasiParabolic ID="4" StartDistance="6537.0" EndDistance="6558.0" A="1.12131875E11" B="-3.4378792E7" C="2635.1052" Error="0.0388"/>
<QuasiParabolic ID="5" StartDistance="6558.0" EndDistance="6561.0" A="-4.51023503E11" B="1.3736728E8" C="-10459.289" Error="0.0016"/>
<QuasiParabolic ID="6" StartDistance="6561.0" EndDistance="6565.0" A="9.3831635E12" B="-2.86040346E9" C="217994.5" Error="0.0314"/>
<QuasiParabolic ID="7" StartDistance="6565.0" EndDistance="6568.0" A="1.10929674E11" B="-3.5655936E7" C="2857.6074" Error="0.0194"/>
<QuasiParabolic ID="8" StartDistance="6568.0" EndDistance="6575.0" A="7.7733298E12" B="-2.36890803E9" C="180480.34" Error="0.0106"/>
<QuasiParabolic ID="9" StartDistance="6575.0" EndDistance="6599.0" A="2.15437405E13" B="-6.5576264E9" C="499014.06" Error="0.0342"/>
<QuasiParabolic ID="10" StartDistance="6599.0" EndDistance="6616.0" A="-3.04295476E13" B="9.194242E9" C="-694490.1" Error="0.0118"/>
<QuasiParabolic ID="11" StartDistance="6616.0" EndDistance="6618.894" A="-3.42976333E13" B="1.03635538E10" C="-782860.2" Error="2.9E-6"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="82.25" Depth="0.154"/>
<TopsideChapman PeakHeight="248.894" PeakDensity="203504.97" PeakScaleHeight="17.468" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
