<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 02:05:00.000"
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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.07 (127) 02:05:00</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">
FF202612705070205001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.525" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.795" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.377" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.800" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="237.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="237.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.400" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="263.330" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="237.163" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="222.832" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.145" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="20.589" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.721" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.771" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="20.820" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.010" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="21">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.025 3.05 3.075 3.1 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
237.500 238.750 240.000 241.250 242.500 245.000 247.500 247.500 247.500 250.000 252.500 252.500 255.000 257.358 260.100 263.330 267.191 271.887 277.722 285.167 294.995
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
87 0 0 0 96 96 90 96 108 108 108 105 102 102 0 96 108 105 93 93 78
</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 1.5625 1.5625 -1.5625 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="313">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 139.75 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 169.5 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 199.25 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 237.163 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0
</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 0.35347393 0.352762 0.35182965 0.3506064 0.3491724 0.34738788 0.34533682 0.34299496 0.34037665 0.33746356 0.3342082 0.33063674 0.3267138 0.32253745 0.31796023 0.31297803 0.30765462 0.30189866 0.29567927 0.28909197 0.28191414 0.2741947 0.26597098 0.25704813 0.24743798 0.23701459 0.22570056 0.21345264 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 0.20258823 0.2077647 0.21294117 0.21811765 0.22329412 0.2284706 0.23364706 0.23882353 0.244 0.24917647 0.25435293 0.2595294 0.2647059 0.26988235 0.27505884 0.2802353 0.28541178 0.29058823 0.2957647 0.30094117 0.30611765 0.3112941 0.3164706 0.32164705 0.32682353 0.332 0.33717647 0.34235293 0.3475294 0.3527059 0.354 0.3866482 0.43309304 0.48325586 0.53748983 0.59611315 0.65941834 0.72760797 0.8008551 0.87925076 0.96281856 1.0514878 1.1451088 1.2434841 1.3463223 1.4532349 1.5638317 1.6776067 1.7940272 1.912514 2.0324366 2.1530972 2.273821 2.39383 2.512339 2.6284761 2.7414446 2.850293 2.95411 3.0519876 3.1429873 3.2261794 3.300684 3.365662 3.4203568 3.464107 3.496356 3.5166886 3.5248365 3.525 3.5229552 3.5153468 3.502449 3.4846177 3.4622073 3.4355688 3.405046 3.3709748 3.3336797 3.2934744 3.2506592 3.205521 3.1583326 3.1093516 3.0588217 3.0069714 2.9540148 2.9001517 2.8455682 2.7904363 2.7349155 2.6791523 2.6232817 2.5674272 2.5117006 2.4562047 2.401032 2.3462658 2.2919812 2.2382452 2.1851177 2.132651 2.0808916 2.0298798 1.9796505 1.9302335 1.8816539 1.8339328 1.7870868 1.7411296 1.6960711 1.6519186 1.6086763 1.5663464 1.5249285 1.4844204 1.4448181 1.4061161 1.3683071 1.3313831 1.2953343 1.2601507 1.2258207 1.1923323 1.1596729 1.1278292 1.0967876 1.0665339 1.037054 1.008333 0.9803561 0.9531085 0.926575 0.90074056 0.8755902 0.85110873 0.8272813 0.8040928 0.7815287 0.7595742 0.7382148 0.7174362 0.6972243 0.67756516 0.65844506 0.6398505 0.6217682 0.6041851 0.58708847 0.5704657 0.55430454 0.5385928 0.5233189 0.5084711 0.4940381 0.48000896 0.4663728 0.45311904 0.4402374 0.42771786 0.4155505 0.4037258 0.39223436 0.38106707 0.37021503 0.3596696 0.34942225 0.33946478 0.3297892 0.32038763 0.31125247 0.30237636 0.29375198 0.28537238 0.2772307 0.26932025 0.26163456 0.25416735 0.24691245 0.2398639 0.23301591 0.2263628 0.21989909 0.21361943 0.20751862 0.20159163 0.19583352 0.1902395 0.18480496 0.17952535 0.17439629 0.1694135 0.16457286 0.15987031 0.15530194 0.15086393 0.14655256 0.14236426 0.13829552 0.13434294 0.13050319 0.1267731 0.123149514 0.11962941 0.11620985 0.112887956 0.10966095 0.10652613 0.10348086 0.10052259 0.09764885 0.094857216 0.092145346 0.08951097 0.08695187 0.084465906 0.08205099 0.07970508 0.077426225 0.0752125 0.073062055 0.07097307 0.06894379 0.066972524 0.065057606 0.06319743 0.061390422 0.059635073 0.057929903 0.056273483 0.054664418 0.053101353 0.051582973 0.050108008

</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="3.525" PeakHeight="237.163" Num="5" zHalfNm="222.832" Error="0.571">
-37.303 -0.73 0.159 -0.085 0.046
</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="6509.75" A="-1.71482022E11" B="5.2926548E7" C="-4083.7134" Error="0.00152"/>
<QuasiParabolic ID="2" StartDistance="6509.75" EndDistance="6539.5" A="0.0" B="-2462.2737" C="0.4182669" Error="0.0436"/>
<QuasiParabolic ID="3" StartDistance="6539.5" EndDistance="6569.0" A="1.09137822E11" B="-3.343666E7" C="2561.0393" Error="0.0656"/>
<QuasiParabolic ID="4" StartDistance="6569.0" EndDistance="6577.0" A="1.36870908E13" B="-4.16738483E9" C="317216.88" Error="0.0834"/>
<QuasiParabolic ID="5" StartDistance="6577.0" EndDistance="6578.0" A="1.64303859E13" B="-5.0015933E9" C="380635.5" Error="9.08E-11"/>
<QuasiParabolic ID="6" StartDistance="6578.0" EndDistance="6583.0" A="2.72198187E13" B="-8.2820531E9" C="629986.3" Error="0.0103"/>
<QuasiParabolic ID="7" StartDistance="6583.0" EndDistance="6598.0" A="2.62851663E13" B="-7.9980943E9" C="608418.75" Error="0.0388"/>
<QuasiParabolic ID="8" StartDistance="6598.0" EndDistance="6607.163" A="-7.2500734E13" B="2.19461018E10" C="-1660768.6" Error="0.00989"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="89.25" Depth="0.154"/>
<TopsideChapman PeakHeight="237.163" PeakDensity="154164.08" PeakScaleHeight="10.771" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
