<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-25 -298 08:00:00.000"
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="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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 90% PACIFIC flags: One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.10.25 (298) 08:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.32" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.06" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="62.486557" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202629810250800001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.625" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.832" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.893" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.275" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.275" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.925" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="247.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="247.500" 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="3.550" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="265.291" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.563" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.275" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.275" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="232.524" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="216.302" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.268" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="22.933" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.870" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.066" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="23.750" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.910" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="15">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
247.500 250.000 250.833 251.667 252.500 253.604 254.865 256.316 258.007 260.000 262.385 265.291 268.909 273.537 279.667
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 72 0 0 72 72 96 96 72 72 72 69 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="331">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.27 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 138.057 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 166.114 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 194.171 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 232.524 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.24345852 0.29549325 0.33774832 0.37282017 0.402617 0.4283621 0.4508168 0.47049543 0.48776662 0.5028854 0.51604646 0.52740085 0.53705674 0.54510385 0.5516074 0.5566174 0.56017137 0.56229407 0.563 0.56271887 0.56187624 0.5603953 0.558443 0.5558687 0.55268615 0.54891264 0.5444919 0.53952676 0.5338205 0.527562 0.5205025 0.5128433 0.5043677 0.49515963 0.4851175 0.47417402 0.46224153 0.44934165 0.43533078 0.42004418 0.40328386 0.38497508 0.36473942 0.34223667 0.3170008 0.28826666 0.25546288 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.234 0.24438936 0.25611547 0.2678416 0.27956775 0.29129386 0.30302 0.3147461 0.32647225 0.3381984 0.3499245 0.36165065 0.37337676 0.3851029 0.39682904 0.40855515 0.4202813 0.4320074 0.44373354 0.45545968 0.4671858 0.47891194 0.49063805 0.50236416 0.5140903 0.52581644 0.5375426 0.5492687 0.5609948 0.563 0.61187166 0.6718942 0.73437107 0.8002235 0.8700714 0.94435054 1.0232942 1.1069596 1.1951963 1.2877007 1.3839587 1.4834166 1.5854372 1.6894288 1.7947636 1.9009427 2.0074599 2.1139367 2.2199988 2.3253055 2.429581 2.532513 2.6338 2.7331376 2.8301544 2.9244769 3.0156658 3.103213 3.1865416 3.265006 3.337899 3.4044173 3.4637232 3.5149589 3.5572586 3.58986 3.6120906 3.6234682 3.625 3.6244535 3.619839 3.6107388 3.5974128 3.5801215 3.559124 3.534676 3.5070295 3.476431 3.4431195 3.4073277 3.369279 3.329189 3.2872639 3.2437003 3.1986856 3.1523974 3.105004 3.0566638 3.0075257 2.9577303 2.907408 2.8566816 2.8056645 2.754463 2.7031748 2.6518905 2.6006935 2.5496602 2.4988613 2.448361 2.398217 2.3484828 2.2992065 2.2504306 2.202194 2.154531 2.1074722 2.061044 2.0152702 1.9701709 1.9257632 1.882062 1.8390789 1.796824 1.7553046 1.7145263 1.6744931 1.6352069 1.5966686 1.5588773 1.5218309 1.4855264 1.4499596 1.4151254 1.3810177 1.3476299 1.3149546 1.282984 1.2517095 1.2211219 1.1912122 1.1619705 1.1333869 1.1054509 1.0781523 1.0514803 1.0254242 0.99997306 0.9751159 0.9508417 0.9271395 0.9039982 0.88140684 0.8593544 0.8378299 0.8168226 0.7963217 0.77631646 0.75679636 0.737751 0.71917 0.7010431 0.68336034 0.66611177 0.6492876 0.6328782 0.61687416 0.6012661 0.5860449 0.5712016 0.5567274 0.54261357 0.5288517 0.5154333 0.5023504 0.48959488 0.4771589 0.4650348 0.45321506 0.44169232 0.43045938 0.41950914 0.40883476 0.39842948 0.3882867 0.37839997 0.36876297 0.35936958 0.35021377 0.3412896 0.33259144 0.32411358 0.31585056 0.30779707 0.29994783 0.29229778 0.28484192 0.2775754 0.27049348 0.2635915 0.25686496 0.25030947 0.2439207 0.23769446 0.23162664 0.22571328 0.21995047 0.2143344 0.20886135 0.20352773 0.19833001 0.19326475 0.18832858 0.18351825 0.17883053 0.17426237 0.1698107 0.16547258 0.16124511 0.15712549 0.15311098 0.1491989 0.14538667 0.14167173 0.13805161 0.1345239 0.13108625 0.12773634 0.124471985 0.121290974 0.11819119 0.11517057 0.11222708 0.10935878 0.10656374 0.10384009 0.10118601 0.09859973 0.09607952 0.09362369 0.09123061 0.08889866 0.0866263 0.084412 0.082254276 0.080151685 0.07810283 0.076106325 0.07416084 0.072265066 0.07041775 0.06861764 0.06686354 0.06515426 0.06348867 0.06186565 0.06028411 0.058742993 0.05724127 0.055777926 0.05435199 0.052962497 0.05160852 0.050289158

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.563" PeakHeight="110.0" Num="3" Error="0.0">
-23.221 5.004 -0.513
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.563" EndFrequency="3.625" PeakHeight="232.524" Num="5" zHalfNm="216.302" Error="0.415">
-37.614 -1.291 0.861 -0.499 0.19
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.994" EndDistance="6480.001" A="-1.38773725E12" B="4.28313952E8" C="-33048.6" Error="0.0214"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6508.057" A="-5.9188786E11" B="1.8268144E8" C="-14095.473" Error="0.00706"/>
<QuasiParabolic ID="2" StartDistance="6508.057" EndDistance="6536.114" A="0.0" B="6927.721" C="-1.0094954" Error="0.0792"/>
<QuasiParabolic ID="3" StartDistance="6536.114" EndDistance="6558.0" A="1.02795182E11" B="-3.1776426E7" C="2455.51" Error="0.0792"/>
<QuasiParabolic ID="4" StartDistance="6558.0" EndDistance="6564.0" A="8.4490741E11" B="-2.58099152E8" C="19710.979" Error="0.00393"/>
<QuasiParabolic ID="5" StartDistance="6564.0" EndDistance="6566.0" A="4.7929637E13" B="-1.46044508E10" C="1112516.6" Error="0.042"/>
<QuasiParabolic ID="6" StartDistance="6566.0" EndDistance="6567.0" A="-5.6986536E13" B="1.7352958E10" C="-1321035.8" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6567.0" EndDistance="6568.0" A="8.154539E13" B="-2.48373658E10" C="1891262.4" Error="4.32E-10"/>
<QuasiParabolic ID="8" StartDistance="6568.0" EndDistance="6569.0" A="-2.437093E13" B="7.4148628E9" C="-563992.5" Error="1.82E-10"/>
<QuasiParabolic ID="9" StartDistance="6569.0" EndDistance="6593.0" A="2.09462787E13" B="-6.3824302E9" C="486189.62" Error="0.063"/>
<QuasiParabolic ID="10" StartDistance="6593.0" EndDistance="6602.524" A="-6.4751325E13" B="1.96141117E10" C="-1485336.5" Error="0.0111"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="84.171" Depth="0.329"/>
<TopsideChapman PeakHeight="232.524" PeakDensity="163035.05" PeakScaleHeight="12.066" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
