<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-14 -104 07:05:00.000"
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" >
2026.04.14 (104) 07:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610404140705001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.750" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.955" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.876" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.400" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.400" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.000" 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="2.675" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="247.732" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.400" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.400" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="222.392" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="210.042" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.960" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="17.625" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.419" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="17.660" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.130" 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" >
2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65 2.675 2.7 2.725 2.75
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 228.431 229.458 230.599 231.871 233.300 234.917 236.760 238.882 241.350 244.257 247.732 251.958 257.210 263.910
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 72 72 72 69 0 0 69 72 69 72 72 69 66 0
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="287">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 137.41667 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 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 192.25 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 222.392 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0
</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 0.353812 0.35339895 0.35261247 0.35145745 0.35001534 0.348294 0.34623033 0.34376696 0.34099412 0.3378617 0.33439493 0.33055604 0.32631677 0.32166007 0.316581 0.31108782 0.3051483 0.29865354 0.2916688 0.28410435 0.27593207 0.26707086 0.25740978 0.24700987 0.23557876 0.22317484 0.20959583 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 0.20093617 0.20655319 0.21217021 0.21778724 0.22340426 0.22902128 0.2346383 0.24025533 0.24587233 0.25148937 0.2571064 0.26272342 0.26834044 0.27395746 0.27957445 0.28519148 0.2908085 0.29642552 0.30204254 0.30765957 0.3132766 0.3188936 0.32451063 0.33012766 0.33574468 0.3413617 0.34697872 0.35259575 0.354 0.39056006 0.4436813 0.5017651 0.5648526 0.6330051 0.70631623 0.78491586 0.8688883 0.9582423 1.0529208 1.1527475 1.2573284 1.3661766 1.4784687 1.5932317 1.7093039 1.8253214 1.9397775 2.05123 2.1581523 2.2591898 2.353059 2.4386785 2.515122 2.5816543 2.6376634 2.6827037 2.7164257 2.7386065 2.749096 2.75 2.7491243 2.7439983 2.7345405 2.7210433 2.7037988 2.683096 2.6592185 2.6324437 2.6030395 2.5712645 2.5373669 2.5015824 2.4641361 2.4252405 2.3850954 2.3438888 2.301796 2.2589812 2.215596 2.1717813 2.127667 2.0833724 2.0390067 1.9946703 1.9504539 1.9064399 1.8627028 1.8193098 1.7763207 1.733789 1.691762 1.6502813 1.6093837 1.5691005 1.5294589 1.4904821 1.4521892 1.4145961 1.3777153 1.3415568 1.3061275 1.2714324 1.2374738 1.2042527 1.1717678 1.1400164 1.1089946 1.078697 1.049117 1.0202473 0.9920796 0.9646049 0.93781346 0.91169494 0.88623863 0.8614334 0.83726764 0.8137297 0.79080755 0.768489 0.7467618 0.7256136 0.70503193 0.6850045 0.66551876 0.6465625 0.62812346 0.6101894 0.59274834 0.5757883 0.55929756 0.5432645 0.5276776 0.5125257 0.49779755 0.4834824 0.46956944 0.45604825 0.4429085 0.4301401 0.4177332 0.40567806 0.3939653 0.38258564 0.37153003 0.36078963 0.3503558 0.34022018 0.3303745 0.32081077 0.31152114 0.302498 0.29373395 0.28522173 0.27695423 0.26892462 0.26112622 0.2535525 0.24619707 0.2390538 0.23211665 0.22537978 0.2188375 0.21248426 0.20631467 0.20032349 0.19450563 0.18885614 0.18337016 0.17804305 0.17287022 0.16784726 0.16296986 0.15823384 0.1536351 0.14916973 0.14483388 0.1406238 0.13653587 0.13256656 0.12871246 0.12497023 0.12133664 0.11780856 0.11438292 0.111056775 0.10782724 0.10469151 0.10164688 0.0986907 0.09582043 0.09303355 0.090327665 0.08770042 0.085149534 0.08267279 0.08026805 0.07793321 0.07566624 0.07346518 0.07132812 0.06925319 0.0672386 0.06528258 0.063383445 0.061539534 0.05974925 0.058011025 0.056323357 0.05468477 0.05309384 0.051549185 0.050049454

</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="2.75" PeakHeight="222.392" Num="5" zHalfNm="210.042" Error="0.407">
-30.14 0.213 -0.363 0.191 -0.043
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6507.417" A="-2.01785164E11" B="6.2279372E7" C="-4805.382" Error="0.00146"/>
<QuasiParabolic ID="2" StartDistance="6507.417" EndDistance="6534.833" A="0.0" B="2540.6987" C="-0.3504177" Error="0.0406"/>
<QuasiParabolic ID="3" StartDistance="6534.833" EndDistance="6557.0" A="3.82742758E9" B="-1298609.9" C="109.13276" Error="0.0413"/>
<QuasiParabolic ID="4" StartDistance="6557.0" EndDistance="6562.0" A="7.0560167E11" B="-2.15352048E8" C="16431.646" Error="0.0259"/>
<QuasiParabolic ID="5" StartDistance="6562.0" EndDistance="6567.0" A="1.73958098E13" B="-5.3022792E9" C="404036.6" Error="0.0795"/>
<QuasiParabolic ID="6" StartDistance="6567.0" EndDistance="6570.0" A="1.20090631E13" B="-3.66172902E9" C="279127.94" Error="0.0146"/>
<QuasiParabolic ID="7" StartDistance="6570.0" EndDistance="6575.0" A="3.17437866E13" B="-9.6692552E9" C="736321.75" Error="0.00486"/>
<QuasiParabolic ID="8" StartDistance="6575.0" EndDistance="6584.0" A="1.94028356E13" B="-5.9153541E9" C="450853.94" Error="0.0251"/>
<QuasiParabolic ID="9" StartDistance="6584.0" EndDistance="6592.392" A="-5.5388792E13" B="1.68038533E10" C="-1274480.8" Error="0.00812"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="82.25" Depth="0.154"/>
<TopsideChapman PeakHeight="222.392" PeakDensity="93827.55" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
