<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-27 -086 23:20:00.000"
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="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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 50% PACIFIC flags: F2o cusp not found, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.27 (086) 23:20:00</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">
FF202608603272320001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.375" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.719" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="16.271" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.425" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="265.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="265.000" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.375" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="290.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="252.807" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="237.494" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="7.361" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="22.180" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.172" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.378" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="22.640" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.850" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="19">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
265.000 267.500 267.500 268.958 270.417 271.875 273.333 274.792 276.250 277.708 279.167 280.625 282.083 283.542 285.000 286.250 287.500 288.750 290.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 75 96 0 0 0 0 0 0 0 0 0 0 0 96 0 0 0 84
</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 4.6875 -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="345">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.17967 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 176.35933 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 209.539 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 252.807 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0
</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 0.3538872 0.35354906 0.35306174 0.352277 0.3512732 0.35012832 0.34869888 0.34706524 0.34516227 0.3430713 0.34073105 0.3381542 0.3353547 0.33228144 0.32895502 0.32533446 0.32144836 0.31726763 0.31277275 0.30800965 0.30292034 0.29746777 0.291614 0.28539604 0.27876619 0.27172798 0.2641279 0.2560806 0.24740016 0.23809603 0.22808838 0.21736322 0.20573123 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 0.2 0.2 0.2 0.20297359 0.20761499 0.21225639 0.21689779 0.22153917 0.22618057 0.23082197 0.23546337 0.24010476 0.24474616 0.24938756 0.25402895 0.25867036 0.26331174 0.26795316 0.27259454 0.27723593 0.28187734 0.28651872 0.29116014 0.29580152 0.30044293 0.30508432 0.3097257 0.31436712 0.3190085 0.3236499 0.3282913 0.3329327 0.3375741 0.3422155 0.3468569 0.35149828 0.354 0.37946257 0.43112454 0.48214108 0.53479946 0.59034926 0.64970094 0.7135789 0.7825909 0.8571952 0.93775165 1.0243962 1.1170878 1.2155918 1.3194575 1.4281611 1.5410687 1.6575204 1.7768995 1.8986458 2.0222065 2.1471412 2.2730906 2.399681 2.5266047 2.6536086 2.78037 2.9066293 3.0320556 3.156297 3.2789557 3.3995714 3.5176003 3.6323633 3.7431197 3.848986 3.9488657 4.041601 4.125867 4.200193 4.263121 4.3131742 4.349076 4.3697944 4.375 4.3748775 4.370406 4.3597736 4.343352 4.3215165 4.2946405 4.263092 4.227233 4.187417 4.1439867 4.097274 4.047597 3.9952605 3.940556 3.8837602 3.825135 3.7649279 3.7033715 3.6406841 3.5770705 3.5127206 3.4478118 3.3825088 3.316963 3.2513146 3.1856925 3.1202147 3.0549889 2.990113 2.9256766 2.86176 2.7984352 2.7357676 2.6738148 2.6126282 2.552253 2.4927287 2.4340894 2.3763647 2.3195794 2.2637541 2.208906 2.1550484 2.1021912 2.050342 1.9995055 1.9496837 1.9008763 1.8530813 1.8062952 1.760512 1.715725 1.6719257 1.6291047 1.5872515 1.5463547 1.5064019 1.4673803 1.4292762 1.3920758 1.3557644 1.320327 1.2857487 1.2520139 1.219107 1.1870124 1.1557142 1.1251963 1.0954431 1.0664387 1.0381672 1.010613 0.9837603 0.9575937 0.93209785 0.9072576 0.8830579 0.85948396 0.83652115 0.8141551 0.79237163 0.7711568 0.7504968 0.7303783 0.710788 0.6917129 0.6731403 0.65505767 0.6374528 0.6203137 0.60362864 0.5873861 0.57157487 0.55618393 0.54120255 0.5266202 0.5124266 0.49861178 0.48516586 0.4720793 0.45934275 0.4469471 0.4348834 0.423143 0.41171739 0.40059832 0.38977772 0.37924773 0.36900064 0.35902902 0.34932557 0.33988315 0.33069485 0.32175392 0.3130538 0.30458805 0.29635045 0.28833488 0.28053543 0.27294636 0.265562 0.25837687 0.2513857 0.2445832 0.23796439 0.2315243 0.22525816 0.21916129 0.21322913 0.20745727 0.20184141 0.19637732 0.19106095 0.1858883 0.18085551 0.17595881 0.17119454 0.16655913 0.1620491 0.15766107 0.15339173 0.14923793 0.1451965 0.14126444 0.13743877 0.13371664 0.13009524 0.12657186 0.12314385 0.11980863 0.11656369 0.11340659 0.11033496 0.10734649 0.10443892 0.10161008 0.098857835 0.0961801 0.09357488 0.0910402 0.08857416 0.0861749 0.08384061 0.08156953 0.079359956 0.077210225 0.075118706 0.07308384 0.07110408 0.06917794 0.06730397 0.065480754 0.06370692 0.06198113 0.060302082 0.058668517 0.057079196 0.055532925 0.05402854 0.0525649 0.051140912

</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="4.375" PeakHeight="252.807" Num="5" zHalfNm="237.494" Error="0.8">
-42.074 -2.312 1.5 -0.789 0.407
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6513.18" A="-1.38000679E11" B="4.2592804E7" C="-3286.3564" Error="0.00164"/>
<QuasiParabolic ID="2" StartDistance="6513.18" EndDistance="6546.359" A="0.0" B="-625.97894" C="0.13613564" Error="0.0128"/>
<QuasiParabolic ID="3" StartDistance="6546.359" EndDistance="6578.0" A="4.5842764E10" B="-1.407931E7" C="1081.0265" Error="0.0128"/>
<QuasiParabolic ID="4" StartDistance="6578.0" EndDistance="6580.0" A="8.4443582E12" B="-2.56759578E9" C="195176.22" Error="0.0296"/>
<QuasiParabolic ID="5" StartDistance="6580.0" EndDistance="6581.0" A="3.21846268E13" B="-9.7834834E9" C="743495.94" Error="1.62E-9"/>
<QuasiParabolic ID="6" StartDistance="6581.0" EndDistance="6585.0" A="1.23516119E12" B="-3.77779872E8" C="28885.445" Error="0.0357"/>
<QuasiParabolic ID="7" StartDistance="6585.0" EndDistance="6615.0" A="2.79292139E13" B="-8.485313E9" C="644491.6" Error="0.0622"/>
<QuasiParabolic ID="8" StartDistance="6615.0" EndDistance="6622.807" A="-1.15335995E14" B="3.4829943E10" C="-2629526.2" Error="0.00741"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="99.539" Depth="0.154"/>
<TopsideChapman PeakHeight="252.807" PeakDensity="237476.73" PeakScaleHeight="11.378" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
