<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-09 -129 22:00:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.09 (129) 22:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612905092200001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.150" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.724" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.732" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.625" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="257.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="257.500" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.950" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="257.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.368" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="251.968" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="231.528" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.405" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.259" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.827" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.691" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.170" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.520" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="9">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
257.500 263.333 269.167 273.557 279.493 287.969 301.057 323.924 374.078
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
42 0 0 48 0 66 66 69 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="397">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.209 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 141.039 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 172.078 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 203.117 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 251.968 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.2205796 0.24323162 0.2627343 0.2796543 0.2944343 0.30738372 0.31873447 0.32866335 0.33729586 0.3447339 0.35105312 0.3563149 0.36056414 0.36383548 0.36615464 0.36753955 0.368 0.36787695 0.36750808 0.36681286 0.36587617 0.36470175 0.36321396 0.36150053 0.35948968 0.35711446 0.35454446 0.3516392 0.3484924 0.34497586 0.34118864 0.3370178 0.33250183 0.3276818 0.32241368 0.31682497 0.3108069 0.30428725 0.2973874 0.28992164 0.28188667 0.27329016 0.26402155 0.25404942 0.24325538 0.23155446 0.2188279 0.20503794 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 0.20499037 0.2104029 0.21581545 0.221228 0.22664055 0.2320531 0.23746563 0.24287818 0.24829073 0.25370327 0.25911582 0.26452836 0.2699409 0.27535346 0.280766 0.28617856 0.2915911 0.29700363 0.30241618 0.30782872 0.31324127 0.31865382 0.32406637 0.32947892 0.33489147 0.34030402 0.34571654 0.35112908 0.35654163 0.36195418 0.36736673 0.368 0.39267403 0.42500222 0.46212292 0.5037365 0.5491626 0.5976287 0.64844364 0.70114785 0.75549746 0.81141764 0.86891335 0.9280846 0.989069 1.0520148 1.1170967 1.1844869 1.2543516 1.326824 1.4020339 1.4800224 1.5608253 1.6443142 1.7302979 1.8184227 1.9081684 1.9989334 2.0898967 2.180223 2.2690086 2.3553925 2.4386046 2.5179985 2.593064 2.6634712 2.7289941 2.789515 2.8450158 2.8955362 2.9411514 2.9819548 3.0180686 3.0496101 3.0766776 3.0993805 3.1178098 3.1320345 3.1421137 3.148094 3.15 3.1499987 3.1486876 3.1449816 3.138982 3.130792 3.1205142 3.108251 3.0941052 3.0781775 3.0605679 3.0413747 3.0206943 2.9986212 2.9752471 2.950662 2.9249525 2.8982034 2.8704958 2.8419092 2.8125186 2.7823977 2.751616 2.720241 2.6883368 2.6559646 2.623183 2.5900478 2.556612 2.5229256 2.4890363 2.4549897 2.4208279 2.3865912 2.3523176 2.3180428 2.2838001 2.2496212 2.2155354 2.1815698 2.1477504 2.114101 2.0806437 2.0473988 2.0143855 1.9816214 1.9491224 1.9169035 1.884978 1.8533585 1.8220558 1.7910804 1.7604411 1.7301462 1.7002027 1.6706172 1.6413952 1.6125413 1.5840598 1.5559541 1.5282269 1.5008802 1.473916 1.4473352 1.4211385 1.395326 1.3698975 1.3448524 1.3201897 1.2959081 1.2720059 1.2484813 1.2253319 1.2025554 1.1801493 1.1581104 1.1364359 1.1151224 1.0941668 1.0735652 1.0533143 1.0334102 1.0138489 0.99462664 0.97573936 0.9571829 0.93895316 0.9210459 0.90345687 0.8861817 0.86921626 0.8525561 0.83619684 0.8201342 0.8043638 0.7888812 0.7736822 0.75876224 0.7441172 0.7297427 0.7156344 0.7017881 0.6881996 0.6748646 0.6617789 0.64893854 0.63633925 0.623977 0.6118479 0.5999478 0.5882728 0.5768191 0.5655828 0.5545601 0.54374725 0.53314054 0.5227363 0.512531 0.5025209 0.4927027 0.48307282 0.47362787 0.4643645 0.4552794 0.4463693 0.43763098 0.4290613 0.42065716 0.41241544 0.40433317 0.39640737 0.38863513 0.38101357 0.3735399 0.3662113 0.35902503 0.35197848 0.34506896 0.33829388 0.33165067 0.3251369 0.31875005 0.31248775 0.30634758 0.3003272 0.29442438 0.28863683 0.28296238 0.2773988 0.27194402 0.2665959 0.2613524 0.25621152 0.2511713 0.24622975 0.241385 0.23663516 0.2319784 0.22741294 0.22293697 0.21854877 0.21424668 0.21002896 0.20589401 0.20184022 0.19786601 0.19396982 0.19015014 0.18640548 0.18273437 0.1791354 0.17560713 0.17214821 0.16875726 0.16543297 0.16217405 0.15897918 0.15584715 0.1527767 0.14976665 0.14681582 0.14392301 0.14108714 0.13830705 0.13558167 0.13290992 0.13029076 0.12772314 0.12520607 0.12273855 0.12031959 0.117948264 0.11562362 0.11334475 0.111110754 0.10892075 0.106773876 0.10466928 0.10260614 0.10058363 0.098600954 0.096657336 0.094752006 0.092884205 0.0910532 0.089258276 0.08749871 0.08577381 0.084082894 0.0824253 0.08080036 0.07920744 0.07764591 0.07611516 0.07461457 0.07314355 0.07170152 0.070287906 0.06890216 0.067543715 0.06621205 0.06490663 0.06362694 0.06237247 0.061142728 0.059937224 0.058755483 0.057597034 0.056461424 0.055348195 0.054256912 0.05318714 0.05213846 0.051110446 0.050102703

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.368" PeakHeight="110.0" Num="3" Error="0.0">
-19.272 2.645 -0.164
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.368" EndFrequency="3.15" PeakHeight="251.968" Num="5" zHalfNm="231.528" Error="1.507">
-50.522 3.118 -2.176 1.294 -0.565
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.016" EndDistance="6480.001" A="-5.9424761E11" B="1.8340976E8" C="-14151.853" Error="0.00229"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6511.039" A="-1.76309502E11" B="5.4416512E7" C="-4198.6694" Error="0.00182"/>
<QuasiParabolic ID="2" StartDistance="6511.039" EndDistance="6542.078" A="0.0" B="518.14087" C="-0.039575074" Error="0.00935"/>
<QuasiParabolic ID="3" StartDistance="6542.078" EndDistance="6544.0" A="-1.87342717E12" B="5.7250925E8" C="-43738.887" Error="0.0363"/>
<QuasiParabolic ID="4" StartDistance="6544.0" EndDistance="6556.0" A="1.75314469E11" B="-5.3634312E7" C="4102.1553" Error="0.0375"/>
<QuasiParabolic ID="5" StartDistance="6556.0" EndDistance="6572.0" A="-1.2569993E9" B="231298.08" C="-5.9603186" Error="0.0151"/>
<QuasiParabolic ID="6" StartDistance="6572.0" EndDistance="6573.0" A="8.3320059E11" B="-2.53711968E8" C="19314.129" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6573.0" EndDistance="6574.0" A="2.11614234E13" B="-6.4390835E9" C="489827.72" Error="4.31E-10"/>
<QuasiParabolic ID="8" StartDistance="6574.0" EndDistance="6583.0" A="5.9240051E12" B="-1.80342221E9" C="137252.31" Error="0.0263"/>
<QuasiParabolic ID="9" StartDistance="6583.0" EndDistance="6605.0" A="1.48782742E13" B="-4.5238441E9" C="343877.12" Error="0.0396"/>
<QuasiParabolic ID="10" StartDistance="6605.0" EndDistance="6621.968" A="-2.40873846E13" B="7.2749926E9" C="-549297.5" Error="0.00678"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="93.117" Depth="0.168"/>
<TopsideChapman PeakHeight="251.968" PeakDensity="123107.94" PeakScaleHeight="15.691" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
