<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-21 -080 22:50:00.000"
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: 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" >
2026.03.21 (080) 22:50:00</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">
FF202608003212250001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.725" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.697" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="21.162" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="4.275" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="4.275" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.025" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.550" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="277.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.356" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="4.275" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="4.275" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="241.003" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="223.135" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="7.995" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.745" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.329" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.576" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.720" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.360" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="59">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 5.65 5.675 5.7 5.725
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 227.500 227.500 228.125 228.750 229.375 230.000 230.500 231.000 231.500 232.000 232.500 232.500 232.500 235.000 235.000 235.000 237.500 237.500 237.500 237.500 240.000 240.000 242.500 242.500 242.500 245.000 245.625 246.250 246.875 247.500 247.500 250.000 250.000 251.250 252.500 255.000 257.500 257.500 257.500 260.000 262.500 262.500 265.000 265.000 265.000 267.500 270.000 272.500 275.000 277.500 277.500 280.571 284.150 288.373 293.433 299.603 307.296 317.154
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 75 0 0 0 0 0 0 0 0 0 0 0 0 0 78 78 78 78 0 0 72 78 78 63 0 87 0 0 0 72 72 99 99 0 0 87 81 66 66 90 0 81 78 69 72 93 93 90 87 78 0 96 99 75 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 -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 -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 -3.125 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="380">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.456 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 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 192.25 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 241.003 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21337768 0.23525329 0.25411627 0.27049267 0.28479782 0.29733557 0.3083244 0.3179343 0.32628906 0.33348832 0.339604 0.34469473 0.34880584 0.35197085 0.35421464 0.35555452 0.356 0.35580957 0.35539114 0.35459444 0.35342443 0.3519636 0.35021988 0.34812942 0.34563407 0.3428963 0.33972162 0.3362081 0.3323174 0.32802096 0.32330143 0.31818396 0.31261522 0.30659404 0.30001 0.2929292 0.28526074 0.2769761 0.26806822 0.25832996 0.24770638 0.23619908 0.2235789 0.20980918 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 0.20094833 0.20663829 0.21232827 0.21801823 0.22370821 0.22939818 0.23508814 0.24077812 0.24646808 0.25215805 0.25784802 0.263538 0.26922795 0.27491793 0.2806079 0.28629786 0.29198784 0.29767781 0.3033678 0.30905774 0.31474772 0.3204377 0.32612765 0.33181763 0.3375076 0.34319755 0.34888753 0.3545775 0.356 0.38755116 0.43355626 0.4838781 0.53832984 0.596816 0.65932786 0.7259184 0.7967062 0.871906 0.9517529 1.0365134 1.1265295 1.2221496 1.3237345 1.4316573 1.5463347 1.6680871 1.7972488 1.9340754 2.0786877 2.2311645 2.3912594 2.558567 2.7324078 2.9118648 3.0956697 3.28239 3.4703119 3.6577437 3.842906 4.0241194 4.199876 4.3688507 4.5299473 4.682283 4.82516 4.958126 5.080758 5.1928835 5.2943115 5.385002 5.4649277 5.5340886 5.5925136 5.640255 5.677336 5.703807 5.7196875 5.7249947 5.725 5.722031 5.713277 5.699024 5.67956 5.655174 5.626153 5.592781 5.5553393 5.514102 5.469339 5.421311 5.370273 5.3164716 5.260143 5.201516 5.14081 5.0782347 5.013991 4.9482684 4.8812494 4.813106 4.744001 4.6740885 4.6035132 4.5324116 4.460912 4.389135 4.317192 4.245188 4.1732206 4.101381 4.0297527 3.9584131 3.8874347 3.816883 3.7468188 3.6772976 3.6083696 3.5400813 3.4724739 3.4055853 3.3394487 3.2740946 3.2095497 3.145837 3.0829775 3.020989 2.959886 2.8996818 2.8403864 2.7820086 2.7245545 2.6680288 2.6124346 2.5577729 2.504044 2.4512465 2.3993776 2.3484342 2.2984111 2.2493029 2.2011034 2.153805 2.1074004 2.0618806 2.0172367 1.9734594 1.9305384 1.8884634 1.8472238 1.8068082 1.7672058 1.7284048 1.6903934 1.65316 1.6166923 1.5809785 1.5460063 1.5117636 1.478238 1.4454173 1.4132894 1.381842 1.351063 1.3209403 1.2914617 1.2626156 1.2343898 1.2067728 1.179753 1.1533186 1.1274585 1.1021613 1.077416 1.0532115 1.0295368 1.0063816 0.98373526 0.96158725 0.93992746 0.91874576 0.8980323 0.8777774 0.8579714 0.8386048 0.81966853 0.80115336 0.7830504 0.7653509 0.7480462 0.73112786 0.7145876 0.6984173 0.68260884 0.66715455 0.6520467 0.63727766 0.62284017 0.6087269 0.5949308 0.5814449 0.56826246 0.55537677 0.5427812 0.5304695 0.51843524 0.5066724 0.4951749 0.48393694 0.47295266 0.4622165 0.45172286 0.44146642 0.43144184 0.42164397 0.4120677 0.40270814 0.39356038 0.38461974 0.37588152 0.36734122 0.3589944 0.35083666 0.34286383 0.33507168 0.3274562 0.3200134 0.31273937 0.30563036 0.29868257 0.29189244 0.2852564 0.27877092 0.27243266 0.26623827 0.2601845 0.25426817 0.24848619 0.24283552 0.23731318 0.23191626 0.22664192 0.22148742 0.21645 0.21152705 0.20671596 0.20201418 0.19741924 0.19292875 0.1885403 0.18425159 0.18006037 0.17596442 0.17196158 0.16804974 0.16422682 0.16049083 0.15683977 0.15327173 0.14978482 0.1463772 0.14304706 0.13979265 0.13661225 0.13350418 0.1304668 0.1274985 0.12459769 0.121762864 0.118992515 0.116285175 0.11363942 0.11105385 0.10852708 0.10605779 0.10364467 0.10128644 0.09898186 0.0967297 0.09452878 0.09237792 0.090275995 0.088221885 0.08621451 0.0842528 0.08233572 0.080462255 0.07863141 0.07684222 0.07509374 0.07338504 0.071715206 0.07008337 0.068488665 0.06693024 0.06540727 0.063918956 0.0624645 0.061043143 0.05965412 0.058296707 0.056970175 0.055673826 0.054406974 0.05316895 0.05195909 0.05077676

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.356" PeakHeight="110.0" Num="3" Error="0.0">
-18.863 2.464 -0.145
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.356" EndFrequency="5.725" PeakHeight="241.003" Num="5" zHalfNm="223.135" Error="1.192">
-49.709 1.998 -1.838 1.064 -0.268
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.021" EndDistance="6480.001" A="-5.5636722E11" B="1.71718272E8" C="-13249.74" Error="0.00182"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6507.417" A="-2.05162971E11" B="6.3321904E7" C="-4885.8228" Error="0.00142"/>
<QuasiParabolic ID="2" StartDistance="6507.417" EndDistance="6534.833" A="0.0" B="1437.2811" C="-0.18086259" Error="0.023"/>
<QuasiParabolic ID="3" StartDistance="6534.833" EndDistance="6561.0" A="2.96443945E10" B="-9186651.0" C="711.65405" Error="0.023"/>
<QuasiParabolic ID="4" StartDistance="6561.0" EndDistance="6566.0" A="1.13180609E13" B="-3.45025254E9" C="262948.03" Error="0.0279"/>
<QuasiParabolic ID="5" StartDistance="6566.0" EndDistance="6568.0" A="7.1617059E12" B="-2.18422912E9" C="166540.53" Error="0.00451"/>
<QuasiParabolic ID="6" StartDistance="6568.0" EndDistance="6576.0" A="1.95412204E13" B="-5.9538744E9" C="453511.1" Error="0.0187"/>
<QuasiParabolic ID="7" StartDistance="6576.0" EndDistance="6588.0" A="6.5272963E13" B="-1.98625546E10" C="1511044.6" Error="0.0396"/>
<QuasiParabolic ID="8" StartDistance="6588.0" EndDistance="6597.0" A="5.3469075E13" B="-1.62791035E10" C="1239076.5" Error="0.025"/>
<QuasiParabolic ID="9" StartDistance="6597.0" EndDistance="6611.003" A="-1.07428952E14" B="3.25000458E10" C="-2457994.0" Error="0.0102"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="82.25" Depth="0.156"/>
<TopsideChapman PeakHeight="241.003" PeakDensity="406645.47" PeakScaleHeight="13.576" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
