<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-06 -096 07:25:00.000"
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" >
2026.04.06 (096) 07:25:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609604060725001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.915" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.300" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.275" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.275" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.025" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="207.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="207.500" 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="4.450" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="243.084" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.275" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.275" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="221.369" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="203.545" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.829" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.489" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.545" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.592" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="23.450" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.810" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="97">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.275 2.3 2.325 2.35 2.375 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 2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 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 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 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 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.833 211.667 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 217.500 217.500 217.500 217.500 217.500 217.500 217.500 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 221.250 222.500 222.500 222.500 222.500 225.000 225.000 225.000 225.000 227.500 227.500 227.500 227.500 230.000 230.000 230.000 232.500 232.500 232.500 235.000 235.000 237.500 238.344 239.298 240.384 241.633 243.084 244.791 246.827 249.298 252.359 256.252 261.369 268.393 278.636 294.970
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
51 0 51 0 72 75 66 66 78 78 78 75 66 66 69 66 63 66 66 63 0 0 48 0 27 0 0 0 0 51 78 78 90 90 93 93 90 90 90 90 90 90 90 90 102 105 96 99 75 75 87 87 72 72 72 69 69 69 69 66 63 63 90 93 93 90 102 105 93 93 93 93 96 96 108 108 108 111 99 96 96 96 93 93 93 96 69 69 69 69 93 93 63 0 0 96 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 -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 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 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 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="352">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 132.75 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 155.5 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 178.25 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.369 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0
</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 0.35375562 0.35316312 0.35201776 0.35053736 0.34852743 0.34607637 0.3432073 0.3398182 0.3359499 0.3315876 0.3266711 0.32122076 0.31516615 0.30852863 0.30124253 0.2931789 0.2843912 0.27475142 0.26413658 0.252487 0.23960334 0.22532961 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.211 0.21414286 0.22042857 0.22671428 0.233 0.23928571 0.24557143 0.25185713 0.25814286 0.2644286 0.27071428 0.277 0.2832857 0.28957143 0.29585713 0.30214286 0.3084286 0.31471428 0.321 0.3272857 0.33357143 0.33985713 0.34614286 0.3524286 0.354 0.39041162 0.4421907 0.4974938 0.55634516 0.6189237 0.68551826 0.75652856 0.8323885 0.91364 1.0008786 1.0947555 1.1959306 1.3051559 1.4231385 1.5504868 1.6876992 1.8348854 1.9918076 2.1575828 2.3306706 2.5088491 2.6893177 2.869173 3.0455234 3.2159898 3.3786414 3.532141 3.675696 3.808904 3.9316237 4.043965 4.1461267 4.2383666 4.321008 4.394317 4.4586287 4.5141745 4.561203 4.5999107 4.63048 4.6530333 4.667674 4.674468 4.675 4.6740255 4.668592 4.658592 4.6442604 4.6258316 4.6035404 4.5776186 4.5482965 4.5157986 4.480346 4.442155 4.4014335 4.358385 4.3132052 4.266083 4.2171993 4.166728 4.1148353 4.061679 4.00741 3.9521713 3.8960981 3.839319 3.7819543 3.724118 3.6659172 3.6074517 3.548816 3.490097 3.4313772 3.372732 3.314232 3.2559428 3.1979244 3.1402326 3.0829184 3.0260284 2.9696054 2.9136887 2.858313 2.803511 2.7493103 2.6957374 2.6428149 2.5905628 2.538999 2.488139 2.4379957 2.38858 2.3399017 2.291968 2.244785 2.1983569 2.1526866 2.1077757 2.063625 2.0202336 1.9775999 1.9357212 1.8945942 1.8542147 1.8145777 1.7756776 1.7375083 1.7000631 1.6633348 1.6273159 1.5919983 1.5573738 1.5234336 1.490169 1.4575709 1.42563 1.3943366 1.3636814 1.3336546 1.3042463 1.2754468 1.247246 1.2196342 1.1926011 1.166137 1.140232 1.1148759 1.0900592 1.0657717 1.042004 1.0187463 0.9959889 0.9737224 0.95193744 0.93062454 0.90977466 0.88937855 0.8694273 0.8499121 0.8308241 0.81215465 0.7938953 0.7760377 0.75857353 0.7414947 0.7247933 0.70846134 0.6924912 0.67687523 0.66160595 0.646676 0.6320783 0.61780566 0.6038512 0.59020805 0.57686955 0.5638291 0.5510804 0.53861696 0.5264327 0.5145215 0.5028774 0.49149466 0.48036745 0.46949023 0.4588575 0.4484639 0.43830413 0.42837307 0.41866565 0.40917692 0.39990208 0.39083633 0.38197505 0.37331372 0.3648479 0.3565732 0.34848538 0.34058025 0.3328538 0.32530195 0.31792086 0.31070668 0.30365568 0.2967642 0.29002866 0.2834456 0.27701154 0.27072316 0.26457718 0.2585704 0.25269973 0.24696204 0.24135436 0.23587379 0.23051742 0.22528248 0.22016622 0.21516597 0.21027912 0.20550309 0.20083538 0.19627355 0.19181521 0.18745802 0.18319969 0.17903799 0.17497073 0.17099577 0.16711102 0.16331445 0.15960406 0.15597789 0.15243405 0.14897066 0.1455859 0.142278 0.1390452 0.1358858 0.13279817 0.12978064 0.12683164 0.12394962 0.121133044 0.11838045 0.11569037 0.1130614 0.11049214 0.10798124 0.105527386 0.10312927 0.10078563 0.09849524 0.096256875 0.09406936 0.09193155 0.08984231 0.08780054 0.085805155 0.08385511 0.08194937 0.08008693 0.07826681 0.07648805 0.0747497 0.07305086 0.071390614 0.0697681 0.06818245 0.06663284 0.06511844 0.063638456 0.0621921 0.060778614 0.059397247 0.058047276 0.05672798 0.055438668 0.054178655 0.05294728 0.051743884 0.05056784

</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="4.675" PeakHeight="221.369" Num="5" zHalfNm="203.545" Error="0.349">
-46.015 4.831 -3.082 1.397 -0.25
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6502.75" A="-2.76986757E11" B="8.5489736E7" C="-6596.305" Error="0.00133"/>
<QuasiParabolic ID="2" StartDistance="6502.75" EndDistance="6525.5" A="0.0" B="246.59477" C="0.0066564535" Error="0.00169"/>
<QuasiParabolic ID="3" StartDistance="6525.5" EndDistance="6547.0" A="5.8546274E10" B="-1.8060076E7" C="1392.7583" Error="0.0155"/>
<QuasiParabolic ID="4" StartDistance="6547.0" EndDistance="6557.0" A="1.23789891E13" B="-3.7817513E9" C="288829.06" Error="0.0353"/>
<QuasiParabolic ID="5" StartDistance="6557.0" EndDistance="6565.0" A="4.3257879E13" B="-1.32003543E10" C="1007038.8" Error="0.0398"/>
<QuasiParabolic ID="6" StartDistance="6565.0" EndDistance="6574.0" A="7.414022E13" B="-2.26085315E10" C="1723579.5" Error="0.0372"/>
<QuasiParabolic ID="7" StartDistance="6574.0" EndDistance="6591.369" A="-6.603966E13" B="2.00382239E10" C="-1520013.1" Error="0.0149"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="68.25" Depth="0.143"/>
<TopsideChapman PeakHeight="221.369" PeakDensity="271161.6" PeakScaleHeight="13.592" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
