<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-14 -073 08:20:00.000"
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 55 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 20% PACIFIC flags: F2o cusp not found, Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2, Trace overlaps while constructing baseline</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.14 (073) 08:20:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202607303140820001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.375" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.710" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.520" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.100" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.100" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.700" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="225.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="225.000" 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="3.350" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="286.250" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.366" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.100" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.100" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="241.015" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="219.436" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.928" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="30.717" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.967" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.040" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.430" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.350" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="52">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 226.250 227.500 227.500 228.000 228.500 229.000 229.500 230.000 235.000 235.000 237.500 239.167 240.833 242.500 245.000 247.500 250.000 252.059 254.118 256.176 258.235 260.294 262.353 264.412 266.471 268.529 270.588 272.647 274.706 276.765 278.824 280.882 282.941 285.000 285.000 285.000 285.000 285.000 286.250 302.500
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
42 45 0 69 78 54 51 33 30 42 42 54 48 69 72 60 54 54 57 57 54 54 54 51 54 57 57 39 45 30 30 54 0 45 48 63 60 63 63 78 72 81 78 75 72 84 84 72 72 81 87 90
</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 -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="394">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.245 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 136.83333 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 163.66667 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 190.5 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 241.015 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21943033 0.24192928 0.26130775 0.27813238 0.29282972 0.3057073 0.31699932 0.32687333 0.33545974 0.34285808 0.34914356 0.35437724 0.35860384 0.3618577 0.3641645 0.36554202 0.366 0.36579737 0.36527115 0.3644238 0.3631794 0.36162567 0.35961327 0.35731414 0.35458726 0.35153022 0.34808972 0.34418502 0.33985525 0.33517748 0.3299301 0.324252 0.31809402 0.31137624 0.30411613 0.29621083 0.28761387 0.27833056 0.26823327 0.25720534 0.24516651 0.23197824 0.21751933 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 0.20206212 0.20824845 0.21443479 0.22062112 0.22680746 0.23299378 0.23918012 0.24536645 0.2515528 0.25773913 0.26392546 0.2701118 0.27629814 0.28248447 0.2886708 0.29485714 0.30104348 0.30722982 0.31341615 0.3196025 0.32578883 0.33197516 0.3381615 0.34434783 0.35053417 0.3567205 0.36290684 0.366 0.39542493 0.43826407 0.47574288 0.51193607 0.5483709 0.58594334 0.6253198 0.6670878 0.71184707 0.76018417 0.8127311 0.87012565 0.9329615 1.0017668 1.0767995 1.1579989 1.2448542 1.3364327 1.4314462 1.5284815 1.6262227 1.7235668 1.8197258 1.9141062 2.0063818 2.0963268 2.1838336 2.2688236 2.3512938 2.4312396 2.5086143 2.5834262 2.6556435 2.7252126 2.7920592 2.8561208 2.9172595 2.975385 3.0303247 3.0819292 3.1300113 3.1743915 3.2148647 3.2512236 3.2832556 3.310775 3.3335893 3.3515396 3.364484 3.3723261 3.3749948 3.375 3.373773 3.3700836 3.3640335 3.3557253 3.3452623 3.3327477 3.318284 3.301973 3.283915 3.264209 3.2429523 3.22024 3.1961653 3.1708188 3.1442885 3.11666 3.0880167 3.0584385 3.0280025 2.9967833 2.9648526 2.9322793 2.8991292 2.865465 2.8313475 2.796834 2.761979 2.7268353 2.6914518 2.6558754 2.620151 2.5843203 2.548423 2.512497 2.4765768 2.4406962 2.4048862 2.369176 2.3335924 2.2981615 2.2629066 2.22785 2.1930122 2.1584122 2.1240675 2.0899944 2.0562077 2.0227208 1.9895465 1.9566962 1.9241797 1.8920066 1.8601851 1.8287227 1.7976259 1.7669004 1.7365513 1.7065828 1.6769985 1.6478014 1.6189939 1.5905778 1.5625546 1.5349249 1.5076891 1.4808472 1.4543989 1.428343 1.4026788 1.3774046 1.3525184 1.3280187 1.3039026 1.280168 1.256812 1.2338316 1.211224 1.1889855 1.167113 1.1456026 1.1244509 1.103654 1.0832082 1.0631092 1.0433531 1.0239358 1.0048531 0.9861009 0.96767473 0.94957036 0.9317835 0.9143098 0.89714485 0.8802843 0.86372375 0.8474589 0.83148533 0.8157987 0.80039465 0.7852689 0.77041703 0.75583494 0.7415182 0.72746265 0.7136641 0.7001184 0.68682146 0.67376906 0.66095734 0.6483821 0.6360395 0.62392557 0.61203647 0.6003683 0.5889174 0.5776799 0.56665206 0.55583036 0.5452112 0.53479093 0.5245661 0.51453334 0.5046891 0.49503008 0.48555297 0.47625455 0.46713156 0.45818087 0.44939935 0.44078395 0.43233162 0.42403942 0.41590443 0.40792376 0.4000946 0.39241415 0.38487968 0.3774885 0.37023795 0.3631254 0.3561484 0.34930432 0.34259075 0.33600524 0.3295454 0.3232089 0.31699342 0.3108967 0.3049165 0.29905066 0.293297 0.28765345 0.2821179 0.27668837 0.27136278 0.26613924 0.26101577 0.25599054 0.25106165 0.24622725 0.2414856 0.23683491 0.23227349 0.2277996 0.2234116 0.21910787 0.21488677 0.21074677 0.2066863 0.20270385 0.19879793 0.19496709 0.19120988 0.18752491 0.18391082 0.1803662 0.17688978 0.17348023 0.17013626 0.16685663 0.16364013 0.1604855 0.15739161 0.15435725 0.15138131 0.14846267 0.14560021 0.14279288 0.1400396 0.13733934 0.13469109 0.13209383 0.12954661 0.12704846 0.12459843 0.1221956 0.119839065 0.11752793 0.11526134 0.11303841 0.11085833 0.10872025 0.10662338 0.104566924 0.102550104 0.10057216 0.098632336 0.096729904 0.09486415 0.09303436 0.09123984 0.08947992 0.08775393 0.08606122 0.08440114 0.08277307 0.08117639 0.0796105 0.0780748 0.076568715 0.07509167 0.07364311 0.07222248 0.07082925 0.06946289 0.06812287 0.0668087 0.06551988 0.06425591 0.06301632 0.061800633 0.060608394 0.059439152 0.05829246 0.057167888 0.056065004 0.054983392 0.053922642 0.052882355 0.051862136 0.05086159

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.366" PeakHeight="110.0" Num="3" Error="0.0">
-19.207 2.613 -0.161
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.366" EndFrequency="3.375" PeakHeight="241.015" Num="5" zHalfNm="219.436" Error="2.553">
-52.046 2.096 -0.903 -0.488 0.826
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0127" EndDistance="6480.001" A="-5.8769067E11" B="1.81386016E8" C="-13995.701" Error="0.0025"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6506.833" A="-2.32029323E11" B="7.1613984E7" C="-5525.6367" Error="0.00153"/>
<QuasiParabolic ID="2" StartDistance="6506.833" EndDistance="6533.667" A="0.0" B="-23.13262" C="0.04354053" Error="3.65E-4"/>
<QuasiParabolic ID="3" StartDistance="6533.667" EndDistance="6534.0" A="6.3827849E13" B="-1.95373363E10" C="1495066.5" Error="0.0823"/>
<QuasiParabolic ID="4" StartDistance="6534.0" EndDistance="6547.0" A="-1.59039111E11" B="4.8487748E7" C="-3695.633" Error="0.0786"/>
<QuasiParabolic ID="5" StartDistance="6547.0" EndDistance="6559.0" A="2.72803267E11" B="-8.3432936E7" C="6379.2627" Error="0.0213"/>
<QuasiParabolic ID="6" StartDistance="6559.0" EndDistance="6573.0" A="6.5363467E12" B="-1.99334093E9" C="151973.72" Error="0.0758"/>
<QuasiParabolic ID="7" StartDistance="6573.0" EndDistance="6587.0" A="2.23785664E13" B="-6.8137334E9" C="518655.0" Error="0.0565"/>
<QuasiParabolic ID="8" StartDistance="6587.0" EndDistance="6603.0" A="-9.9571959E12" B="3.00432102E9" C="-226604.92" Error="0.0161"/>
<QuasiParabolic ID="9" StartDistance="6603.0" EndDistance="6611.015" A="-3.16982344E13" B="9.5895214E9" C="-725257.06" Error="0.00129"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="80.5" Depth="0.166"/>
<TopsideChapman PeakHeight="241.015" PeakDensity="141322.89" PeakScaleHeight="16.04" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
