<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-21 -080 22:45:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 40% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.21 (080) 22:45:00</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">
FF202608003212245001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.625" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.980" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="22.387" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.125" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.125" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.475" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="212.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="212.500" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.475" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="245.985" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.373" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.125" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.125" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="223.433" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="207.929" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="8.104" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="22.398" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.947" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.689" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="21.860" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.190" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="101">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
212.500 212.500 212.500 212.500 213.333 214.167 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.556 216.111 216.667 217.222 217.778 218.333 218.889 219.444 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 222.500 222.500 222.500 222.500 222.500 222.500 222.500 222.500 222.500 225.000 225.000 225.000 225.000 225.000 225.000 225.500 226.000 226.500 227.000 227.500 227.500 227.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 237.500 237.500 237.500 237.500 237.500 237.500 237.500 240.000 242.500 242.500 240.000 240.000 245.000 245.000 245.000 245.000 245.000 245.985 247.286 249.083 251.728 256.003 264.092 285.198
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 0 0 0 0 0 0 0 75 0 0 0 0 0 0 57 57 57 0 60 63 0 0 0 0 0 0 0 0 0 81 0 0 0 0 72 87 84 84 87 84 81 0 84 72 0 84 87 87 87 75 72 51 51 63 60 0 0 0 0 0 78 81 78 66 0 0 0 78 84 84 84 69 0 90 0 69 66 0 0 0 93 72 72 96 84 81 84 69 0 0 90 69 69 96 96 96 87 60 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 -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 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 9.375 -9.375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="330">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.118 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 133.91667 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 157.83333 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.75 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 223.433 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.22347812 0.24648044 0.26626843 0.2834338 0.29842073 0.31155086 0.32306132 0.33312586 0.34187752 0.3494169 0.35582295 0.36115617 0.36546242 0.36877853 0.3711294 0.37253326 0.373 0.37279737 0.37210923 0.37102088 0.36945915 0.36743635 0.3649687 0.36199906 0.3585555 0.3545964 0.35016418 0.34516603 0.3396677 0.33354607 0.32678008 0.31938154 0.31123278 0.30235162 0.29262093 0.2819601 0.27021098 0.25727865 0.2429905 0.22717436 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.207 0.2081568 0.21509756 0.22203833 0.2289791 0.23591986 0.24286063 0.2498014 0.25674215 0.26368293 0.27062368 0.27756447 0.28450522 0.291446 0.29838675 0.30532753 0.3122683 0.31920907 0.32614982 0.3330906 0.34003136 0.34697214 0.3539129 0.36085367 0.36779442 0.373 0.38553175 0.4394067 0.49950278 0.5660976 0.6394211 0.7197551 0.8073461 0.9024517 1.0052818 1.1160413 1.2348955 1.3619376 1.4972073 1.6406087 1.7919933 1.9510779 2.1174347 2.290469 2.4694934 2.65364 2.8419344 3.0332446 3.2263925 3.4200423 3.6128616 3.8034952 3.9905486 4.1727085 4.348616 4.517084 4.6768746 4.8269577 4.9663377 5.094098 5.2094874 5.3117805 5.4003897 5.474803 5.534601 5.5794806 5.6091805 5.6235547 5.625 5.6237206 5.615406 5.599736 5.577154 5.548104 5.5130267 5.472358 5.4265256 5.375945 5.3210225 5.2621474 5.199697 5.134031 5.065494 4.994414 4.9211006 4.8458486 4.7689347 4.690619 4.611146 4.530743 4.4496236 4.3679843 4.2860093 4.2038674 4.1217155 4.039696 3.9579415 3.8765721 3.795697 3.715416 3.6358185 3.5569859 3.4789903 3.4018967 3.3257625 3.250638 3.1765678 3.1035898 3.031737 2.9610372 2.8915138 2.8231852 2.7560668 2.6901693 2.6255012 2.562067 2.4998693 2.4389071 2.3791783 2.320678 2.2633991 2.2073338 2.1524723 2.0988028 2.0463135 1.9949907 1.9448202 1.8957863 1.8478734 1.801065 1.7553438 1.7106923 1.6670926 1.6245265 1.5829755 1.5424211 1.5028446 1.464227 1.4265496 1.3897934 1.3539399 1.3189703 1.2848659 1.2516083 1.2191792 1.1875604 1.1567342 1.1266826 1.0973883 1.068834 1.0410025 1.0138773 0.9874418 0.96167976 0.9365753 0.9121128 0.8882768 0.8650522 0.84242433 0.8203786 0.7989007 0.7779769 0.75759333 0.73773676 0.71839416 0.6995526 0.6811996 0.66332304 0.6459108 0.62895125 0.61243296 0.59634477 0.5806758 0.56541526 0.5505529 0.5360785 0.52198213 0.5082541 0.494885 0.48186558 0.46918687 0.45684007 0.44481665 0.43310824 0.4217067 0.4106041 0.39979264 0.38926485 0.37901333 0.3690309 0.35931057 0.34984553 0.34062913 0.33165488 0.32291648 0.31440777 0.30612275 0.29805562 0.29020062 0.28255224 0.27510506 0.26785383 0.26079345 0.25391886 0.24722521 0.24070778 0.23436195 0.2281832 0.22216715 0.21630955 0.2106062 0.2050531 0.19964628 0.19438188 0.18925619 0.18426555 0.1794064 0.1746753 0.17006889 0.16558386 0.16121705 0.15696532 0.15282567 0.14879513 0.14487083 0.14104998 0.13732986 0.13370782 0.13018127 0.1267477 0.12340465 0.12014975 0.116980664 0.11389515 0.11089099 0.10796606 0.105118245 0.10234553 0.09964594 0.09701754 0.09445845 0.09196685 0.089540966 0.08717906 0.08487944 0.08264048 0.080460556 0.07833814 0.07627169 0.07425975 0.07230087 0.07039367 0.06853676 0.06672883 0.064968586 0.06325477 0.061586168 0.059961576 0.058379833 0.056839813 0.055340413 0.053880565 0.05245922 0.051075373

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.373" PeakHeight="110.0" Num="3" Error="0.0">
-19.43 2.721 -0.173
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.373" EndFrequency="5.625" PeakHeight="223.433" Num="5" zHalfNm="207.929" Error="0.306">
-42.561 1.228 -0.482 0.177 -0.045
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0166" EndDistance="6480.001" A="-6.1068057E11" B="1.88481664E8" C="-14543.199" Error="0.00244"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6503.917" A="-2.98865066E11" B="9.2242312E7" C="-7117.3228" Error="0.00167"/>
<QuasiParabolic ID="2" StartDistance="6503.917" EndDistance="6527.833" A="0.0" B="122.320435" C="0.024074497" Error="8.45E-4"/>
<QuasiParabolic ID="3" StartDistance="6527.833" EndDistance="6550.0" A="8.777805E10" B="-2.7016554E7" C="2078.8057" Error="9.45E-4"/>
<QuasiParabolic ID="4" StartDistance="6550.0" EndDistance="6551.0" A="1.13374449E12" B="-3.46395616E8" C="26458.889" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6551.0" EndDistance="6558.0" A="1.78515282E13" B="-5.450283E9" C="416009.16" Error="0.0316"/>
<QuasiParabolic ID="6" StartDistance="6558.0" EndDistance="6561.0" A="3.00345532E13" B="-9.1657533E9" C="699286.8" Error="0.00948"/>
<QuasiParabolic ID="7" StartDistance="6561.0" EndDistance="6581.0" A="6.6712158E13" B="-2.03462451E10" C="1551328.5" Error="0.0377"/>
<QuasiParabolic ID="8" StartDistance="6581.0" EndDistance="6589.0" A="-1.06480032E14" B="3.22877583E10" C="-2447608.0" Error="0.00533"/>
<QuasiParabolic ID="9" StartDistance="6589.0" EndDistance="6593.433" A="-1.6064951E14" B="4.8730157E10" C="-3695323.8" Error="2.09E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="71.75" Depth="0.166"/>
<TopsideChapman PeakHeight="223.433" PeakDensity="392563.6" PeakScaleHeight="11.689" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
