<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-10 -130 01:35:00.000"
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" >
2026.05.10 (130) 01:35:00</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">
FF202613005100135001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.575" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.749" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.151" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.900" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="222.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="222.500" 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="4.475" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="275.153" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="237.263" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="217.367" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.363" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.508" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.665" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.273" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.600" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.820" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="67">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
222.500 222.500 225.000 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 230.000 230.000 230.000 230.000 230.000 230.000 232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 235.000 235.000 237.500 237.500 237.500 237.500 237.500 237.500 240.000 242.500 242.500 242.500 242.500 245.000 245.000 245.000 247.500 247.500 250.000 250.000 252.500 252.500 255.000 255.000 255.000 257.500 262.500 262.500 265.000 266.795 268.978 271.691 275.153 279.723 286.036 295.324 310.336
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
51 60 60 60 69 69 0 87 87 87 90 96 87 87 105 108 108 105 105 105 108 108 81 81 87 87 81 78 78 78 78 75 75 75 69 69 69 75 105 102 99 105 105 99 60 63 69 72 90 96 96 96 93 93 93 90 87 90 93 93 60 60 51 51 72 69 87
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="394">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 136.25 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 162.5 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 188.75 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 237.263 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0
</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 0.35332385 0.3524629 0.35123456 0.3496469 0.3477836 0.34551057 0.34284618 0.3398121 0.3363646 0.33256927 0.32832938 0.32366115 0.31855893 0.31297255 0.3068771 0.30027556 0.29307804 0.2853064 0.27685073 0.26765716 0.25764734 0.24675402 0.23483722 0.22173925 0.20734549 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 0.20293333 0.2088 0.21466666 0.22053333 0.2264 0.23226666 0.23813333 0.244 0.24986666 0.25573334 0.2616 0.26746666 0.27333334 0.2792 0.28506666 0.29093334 0.2968 0.30266666 0.30853334 0.3144 0.32026666 0.32613334 0.332 0.33786666 0.34373334 0.3496 0.354 0.36175707 0.39703563 0.43986017 0.490543 0.54831725 0.6117257 0.6793365 0.75019264 0.82381624 0.9001438 0.979264 1.0614542 1.1470464 1.2364382 1.3300703 1.4283797 1.5318251 1.6408548 1.7559175 1.8772651 2.0051415 2.1394851 2.2799613 2.4258175 2.5758498 2.728495 2.8817692 3.0335853 3.1818798 3.324814 3.461019 3.5894558 3.7094908 3.8208754 3.9235296 4.017588 4.103255 4.1808233 4.250593 4.312875 4.367943 4.4160676 4.4574933 4.4924283 4.5210443 4.5434875 4.5598783 4.570297 4.574796 4.575 4.5739703 4.5693593 4.561194 4.5496354 4.5348463 4.5169883 4.496222 4.4727073 4.446602 4.4180603 4.3872347 4.3542733 4.319322 4.282521 4.244007 4.2039137 4.1623673 4.1194925 4.075407 4.0302253 3.984057 3.937006 3.889172 3.840651 3.791533 3.7419043 3.6918466 3.6414375 3.59075 3.5398536 3.488813 3.43769 3.386542 3.3354237 3.2843852 3.233474 3.1827345 3.1322079 3.0819323 3.0319436 2.9822743 2.932955 2.8840134 2.8354754 2.7873647 2.7397025 2.692508 2.6457994 2.5995924 2.5539014 2.508739 2.4641163 2.4200435 2.376529 2.33358 2.2912033 2.2494032 2.2081845 2.16755 2.1275024 2.088043 2.0491724 2.010891 1.9731977 1.9360915 1.8995707 1.8636329 1.8282752 1.7934943 1.7592868 1.7256484 1.6925747 1.6600611 1.6281027 1.596694 1.5658296 1.535504 1.5057111 1.4764448 1.4476991 1.4194676 1.3917438 1.364521 1.337793 1.3115528 1.2857937 1.2605088 1.2356914 1.2113347 1.1874318 1.1639757 1.1409597 1.1183769 1.0962203 1.0744833 1.0531591 1.0322409 1.011722 0.9915957 0.97185546 0.9524948 0.93350714 0.91488606 0.8966252 0.8787183 0.86115915 0.84394145 0.82705927 0.8105065 0.7942773 0.77836573 0.76276606 0.7474725 0.7324796 0.7177816 0.7033732 0.689249 0.6754036 0.66183186 0.6485286 0.6354888 0.6227075 0.61017966 0.5979006 0.5858656 0.5740699 0.56250894 0.5511782 0.5400733 0.5291898 0.5185236 0.50807023 0.49782577 0.48778605 0.47794715 0.4683051 0.4588561 0.44959635 0.44052213 0.43162984 0.42291588 0.41437674 0.406009 0.39780927 0.3897742 0.38190058 0.37418523 0.36662495 0.35921675 0.35195756 0.34484443 0.33787447 0.33104482 0.3243527 0.3177954 0.31137016 0.30507442 0.29890555 0.29286104 0.2869384 0.2811352 0.27544904 0.26987758 0.2644185 0.25906965 0.2538287 0.24869356 0.24366206 0.23873217 0.23390181 0.22916901 0.2245318 0.21998827 0.21553652 0.2111747 0.20690103 0.20271371 0.19861102 0.19459125 0.19065273 0.18679383 0.18301293 0.17930849 0.17567894 0.17212278 0.16863853 0.16522475 0.16188 0.15860291 0.1553921 0.15224622 0.14916399 0.1461441 0.14318533 0.1402864 0.13744614 0.13466333 0.13193683 0.1292655 0.12664823 0.124083914 0.1215715 0.11910993 0.116698176 0.11433523 0.11202011 0.10975185 0.1075295 0.105352126 0.10321883 0.10112871 0.099080905 0.09707455 0.095108815 0.09318287 0.09129591 0.089447156 0.08763582 0.08586117 0.084122434 0.0824189 0.08074986 0.079114616 0.07751247 0.07594278 0.07440485 0.07289807 0.071421795 0.06997541 0.06855832 0.06716991 0.06580962 0.06447688 0.06317112 0.061891798 0.060638383 0.05941035 0.05820718 0.057028376 0.055873442 0.054741897 0.05363326 0.05254708 0.05148289 0.05044025

</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="4.575" PeakHeight="237.263" Num="5" zHalfNm="217.367" Error="0.712">
-51.804 5.429 -3.23 1.833 -0.741
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" 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="6506.25" A="-2.20048884E11" B="6.791632E7" C="-5240.3315" Error="0.00141"/>
<QuasiParabolic ID="2" StartDistance="6506.25" EndDistance="6532.5" A="0.0" B="-1099.3113" C="0.20897499" Error="0.0173"/>
<QuasiParabolic ID="3" StartDistance="6532.5" EndDistance="6555.0" A="8.4790256E10" B="-2.6047218E7" C="2000.4175" Error="0.0173"/>
<QuasiParabolic ID="4" StartDistance="6555.0" EndDistance="6558.0" A="-1.12528237E11" B="3.4156744E7" C="-2591.7993" Error="7.54E-4"/>
<QuasiParabolic ID="5" StartDistance="6558.0" EndDistance="6562.0" A="1.19556434E13" B="-3.64628582E9" C="278015.28" Error="0.0148"/>
<QuasiParabolic ID="6" StartDistance="6562.0" EndDistance="6565.0" A="1.14605341E13" B="-3.49538381E9" C="266517.12" Error="0.00382"/>
<QuasiParabolic ID="7" StartDistance="6565.0" EndDistance="6568.0" A="1.44222968E13" B="-4.397673E9" C="335236.75" Error="0.00175"/>
<QuasiParabolic ID="8" StartDistance="6568.0" EndDistance="6574.0" A="2.05909708E13" B="-6.2760755E9" C="478233.3" Error="0.00743"/>
<QuasiParabolic ID="9" StartDistance="6574.0" EndDistance="6583.0" A="5.0725061E13" B="-1.54437325E10" C="1175499.6" Error="0.0133"/>
<QuasiParabolic ID="10" StartDistance="6583.0" EndDistance="6589.0" A="3.6859082E13" B="-1.12310712E10" C="855534.4" Error="0.0116"/>
<QuasiParabolic ID="11" StartDistance="6589.0" EndDistance="6607.263" A="-5.1257083E13" B="1.55153756E10" C="-1174094.2" Error="0.0057"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="78.75" Depth="0.154"/>
<TopsideChapman PeakHeight="237.263" PeakDensity="259685.17" PeakScaleHeight="15.273" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
