<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-05 -125 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" >
2026.05.05 (125) 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">
FF202612505050205001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.550" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.518" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.488" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.075" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.075" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.875" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="262.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="262.500" 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="3.325" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="286.142" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.075" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.075" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="268.675" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="248.396" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.145" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.090" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.033" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.385" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.630" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.210" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="20">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
262.500 265.000 265.000 267.500 270.000 272.500 275.000 277.323 279.918 282.836 286.142 289.918 294.272 299.348 305.342 312.527 321.298 332.244 346.291 364.971
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
96 93 93 96 96 93 96 96 93 93 93 90 90 93 90 0 0 0 0 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 -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="415">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.58333 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.16667 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 216.75 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 268.675 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0
</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 0.35362422 0.35313663 0.35250106 0.35164472 0.35064512 0.34935787 0.34793577 0.3463105 0.34448874 0.34247804 0.3402866 0.3378549 0.33519608 0.33232448 0.32919082 0.32587904 0.32228336 0.31849188 0.31441292 0.31008333 0.3054338 0.30051735 0.2952657 0.28973025 0.2838154 0.27755383 0.2709269 0.2638273 0.2562852 0.24823268 0.23961297 0.23044473 0.2206037 0.2100604 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 0.2 0.2 0.2 0.2 0.2 0.20360656 0.20793442 0.21226229 0.21659017 0.22091803 0.22524591 0.22957377 0.23390163 0.23822951 0.24255738 0.24688524 0.2512131 0.255541 0.25986886 0.26419672 0.2685246 0.27285245 0.2771803 0.2815082 0.28583607 0.29016393 0.2944918 0.29881966 0.30314755 0.30747542 0.31180328 0.31613114 0.320459 0.32478687 0.32911476 0.33344263 0.3377705 0.34209836 0.34642622 0.3507541 0.354 0.3618637 0.39480993 0.4300757 0.46758348 0.5072801 0.549141 0.5931618 0.63936245 0.68779457 0.7384999 0.79155654 0.8470424 0.9050312 0.9656303 1.0288929 1.0949154 1.1637511 1.235463 1.3100438 1.3875105 1.4678087 1.5508599 1.6365317 1.7246197 1.8148637 1.9069475 2.0005124 2.0950856 2.1902359 2.2853878 2.3800368 2.4736004 2.565545 2.655344 2.7425082 2.8265767 2.9071362 2.983845 3.056394 3.1244967 3.187982 3.2466354 3.300341 3.3489728 3.3924568 3.4307175 3.4637196 3.4914143 3.5137808 3.5308027 3.542472 3.5487773 3.55 3.549846 3.547475 3.5423346 3.5345461 3.5242333 3.5115185 3.4965248 3.4793735 3.460185 3.4390779 3.416169 3.391572 3.3653984 3.3377569 3.3087528 3.2784884 3.247063 3.2145712 3.181106 3.1467552 3.111604 3.0757337 3.039222 3.0021431 2.964568 2.926564 2.888195 2.8495219 2.8106022 2.7714903 2.7322373 2.692892 2.6534998 2.6141036 2.5747433 2.535457 2.4962792 2.4572432 2.4183795 2.3797166 2.3412807 2.303096 2.2651854 2.2275693 2.190267 2.1532958 2.1166716 2.0804086 2.0445201 2.0090182 1.9739128 1.9392139 1.9049294 1.8710667 1.8376322 1.8046312 1.7720684 1.7399474 1.7082714 1.6770425 1.6462625 1.6159325 1.5860528 1.5566235 1.5276439 1.4991132 1.4710299 1.4433922 1.4161979 1.3894445 1.3631293 1.3372489 1.3118002 1.2867796 1.2621833 1.2380072 1.2142472 1.1908989 1.167958 1.1454197 1.1232795 1.1015323 1.0801735 1.0591979 1.0386007 1.0183766 0.9985206 0.9790275 0.95989215 0.94110936 0.9226738 0.9045805 0.88682395 0.86939913 0.8523008 0.83552384 0.81906307 0.8029133 0.7870695 0.77152663 0.7562797 0.74132365 0.7266536 0.71226466 0.69815195 0.68431073 0.67073625 0.65742385 0.6443688 0.6315667 0.6190129 0.6067029 0.59463245 0.5827971 0.57119256 0.5598147 0.54865927 0.53772223 0.5269995 0.51648706 0.50618106 0.49607766 0.486173 0.47646338 0.46694508 0.4576145 0.44846812 0.4395024 0.4307139 0.42209923 0.41365507 0.4053782 0.39726532 0.38931334 0.3815191 0.37387964 0.3663919 0.35905293 0.35185987 0.3448099 0.3379002 0.33112803 0.32449076 0.31798568 0.31161028 0.305362 0.2992383 0.2932368 0.28735504 0.2815907 0.2759415 0.27040508 0.2649793 0.25966197 0.25445092 0.24934404 0.24433929 0.23943466 0.23462816 0.22991782 0.22530179 0.22077814 0.21634507 0.21200077 0.20774348 0.20357148 0.19948305 0.19547656 0.19155034 0.18770283 0.18393244 0.18023765 0.17661692 0.1730688 0.16959186 0.16618463 0.16284576 0.15957387 0.15636761 0.15322569 0.15014683 0.14712973 0.1441732 0.141276 0.13843696 0.13565491 0.1329287 0.13025723 0.1276394 0.12507412 0.12256036 0.12009707 0.11768326 0.11531792 0.11300008 0.1107288 0.10850314 0.106322184 0.10418504 0.10209083 0.100038685 0.098027766 0.09605725 0.09412632 0.09223419 0.09038007 0.08856321 0.08678286 0.08503828 0.08332876 0.08165359 0.08001208 0.07840356 0.07682737 0.07528286 0.073769376 0.07228632 0.070833065 0.06940902 0.0680136 0.066646226 0.06530633 0.063993365 0.0627068 0.061446086 0.060210716 0.059000175 0.057813972 0.05665161 0.055512615 0.054396514 0.05330285 0.05223117 0.051181037 0.05015201

</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="3.55" PeakHeight="268.675" Num="5" zHalfNm="248.396" Error="1.389">
-52.287 0.984 -1.126 0.666 -0.162
</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="6515.583" A="-1.20064901E11" B="3.7057068E7" C="-2859.2163" Error="0.00171"/>
<QuasiParabolic ID="2" StartDistance="6515.583" EndDistance="6551.167" A="0.0" B="-178.13086" C="0.06737572" Error="0.00463"/>
<QuasiParabolic ID="3" StartDistance="6551.167" EndDistance="6586.0" A="3.764786E10" B="-1.1565701E7" C="888.2729" Error="0.00463"/>
<QuasiParabolic ID="4" StartDistance="6586.0" EndDistance="6587.0" A="1.21757049E13" B="-3.69758362E9" C="280725.62" Error="4.73E-10"/>
<QuasiParabolic ID="5" StartDistance="6587.0" EndDistance="6602.0" A="7.2042844E12" B="-2.1881193E9" C="166146.61" Error="0.0755"/>
<QuasiParabolic ID="6" StartDistance="6602.0" EndDistance="6623.0" A="1.9018457E13" B="-5.7670871E9" C="437198.38" Error="0.0438"/>
<QuasiParabolic ID="7" StartDistance="6623.0" EndDistance="6638.675" A="-3.35648423E13" B="1.01119099E10" C="-761578.4" Error="0.0136"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="106.75" Depth="0.154"/>
<TopsideChapman PeakHeight="268.675" PeakDensity="156358.56" PeakScaleHeight="15.385" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
