<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 08:05:00.000"
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) 08:05:00</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">
FF202612705070805001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.375" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.561" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.019" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.750" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.200" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="285.607" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="260.594" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="240.307" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.460" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.058" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.936" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.464" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.270" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.360" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="17">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
262.500 262.500 265.000 267.500 270.000 275.000 275.000 278.027 281.524 285.607 290.438 296.245 303.355 312.261 323.745 339.114 360.739
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 66 93 93 93 87 108 105 105 105 102 99 93 90 66 0 96
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="405">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.38966 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 176.77933 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 210.169 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 260.594 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0
</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 0.35354906 0.35306174 0.352277 0.35134757 0.35012823 0.34877208 0.34713763 0.3453056 0.34321257 0.3409399 0.3383592 0.33555555 0.33254394 0.32927564 0.3257092 0.32187286 0.31773704 0.31333914 0.3086628 0.30359575 0.29820856 0.29250214 0.28640458 0.27986518 0.27288476 0.2654468 0.25755358 0.24903856 0.23989172 0.23011358 0.21955618 0.20821206 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 0.20101777 0.20562996 0.21024217 0.21485437 0.21946658 0.22407879 0.228691 0.2333032 0.2379154 0.2425276 0.24713981 0.25175202 0.25636423 0.26097643 0.26558864 0.27020085 0.27481306 0.27942526 0.28403747 0.28864965 0.29326186 0.29787406 0.30248627 0.30709848 0.3117107 0.3163229 0.3209351 0.3255473 0.33015952 0.33477172 0.33938393 0.34399614 0.34860834 0.35322052 0.354 0.37988913 0.4137941 0.45051774 0.48985386 0.53160495 0.57562083 0.62181723 0.67016053 0.7206575 0.7733507 0.8283225 0.8856593 0.94548464 1.0079037 1.0730443 1.1410114 1.2119143 1.2858479 1.362841 1.4428995 1.5259783 1.6119599 1.7006016 1.791621 1.8845904 1.9790145 2.0742514 2.1696799 2.2645445 2.3581274 2.4497352 2.5387094 2.624462 2.7065291 2.784478 2.8580048 2.9268734 2.9909306 3.0500624 3.1042154 3.1533678 3.197521 3.2366858 3.2709014 3.3002045 3.324628 3.3442063 3.3589716 3.3689523 3.3741605 3.375 3.374774 3.3723273 3.3672829 3.3597548 3.3498583 3.3377082 3.3234198 3.3071067 3.2888815 3.268855 3.2471364 3.2238324 3.199047 3.1728823 3.1454365 3.1168056 3.087082 3.056355 3.0247111 2.9922328 2.959 2.9250886 2.8905718 2.855519 2.8199966 2.784068 2.7477932 2.711229 2.6744297 2.6374464 2.6003273 2.5631175 2.5258605 2.4885964 2.451363 2.4141958 2.3771276 2.34019 2.303411 2.266818 2.2304358 2.1942873 2.158394 2.1227753 2.0874493 2.0524328 2.0177405 1.9833863 1.9493825 1.9157405 1.8824704 1.8495809 1.8170803 1.7849754 1.7532723 1.7219762 1.6910917 1.6606222 1.6305709 1.60094 1.5717311 1.5429455 1.5145836 1.4866456 1.4591311 1.4320391 1.4053686 1.3791177 1.3532848 1.3278674 1.302863 1.2782688 1.2540817 1.2302984 1.2069154 1.183929 1.1613353 1.1391304 1.1173102 1.0958701 1.0748061 1.0541136 1.033788 1.0138247 0.994219 0.9749661 0.95606136 0.9374999 0.9192768 0.9013873 0.8838264 0.8665893 0.8496712 0.83306706 0.8167721 0.8007815 0.7850904 0.769694 0.7545874 0.73976606 0.7252252 0.7109601 0.6969661 0.6832387 0.6697733 0.6565653 0.6436104 0.6309042 0.6184422 0.6062201 0.5942338 0.582479 0.5709516 0.5596474 0.5485624 0.5376927 0.52703434 0.5165834 0.5063361 0.49628872 0.4864375 0.47677884 0.46730912 0.45802483 0.44892251 0.43999872 0.43125013 0.42267334 0.41426522 0.4060225 0.39794204 0.39002076 0.38225558 0.3746436 0.3671818 0.35986736 0.3526974 0.34566918 0.3387799 0.33202693 0.32540762 0.3189194 0.3125597 0.306326 0.3002159 0.29422697 0.28835684 0.28260323 0.27696383 0.2714364 0.26601878 0.26070878 0.25550434 0.25040334 0.24540378 0.24050365 0.23570102 0.23099396 0.22638056 0.22185901 0.21742749 0.21308422 0.20882745 0.20465548 0.20056665 0.1965593 0.19263181 0.18878263 0.18501018 0.18131295 0.17768945 0.17413822 0.17065783 0.16724686 0.16390395 0.16062775 0.15741692 0.15427019 0.15118626 0.14816387 0.14520183 0.14229894 0.13945399 0.13666587 0.13393341 0.13125552 0.12863111 0.12605914 0.12353853 0.12106828 0.11864737 0.116274826 0.11394969 0.111671 0.10943785 0.10724933 0.105104536 0.1030026 0.10094268 0.09892392 0.09694552 0.09500665 0.093106546 0.091244414 0.089419514 0.087631084 0.08587841 0.084160775 0.08247748 0.08082783 0.079211175 0.07762683 0.07607417 0.07455255 0.073061354 0.071599975 0.070167825 0.0687643 0.06738885 0.066040896 0.0647199 0.063425325 0.062156636 0.060913317 0.059694864 0.058500778 0.05733057 0.056183767 0.0550599 0.05395851 0.052879144 0.05182137 0.050784748

</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="3.375" PeakHeight="260.594" Num="5" zHalfNm="240.307" Error="1.557">
-51.414 2.072 -1.787 0.992 -0.288
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6513.39" A="-1.36277369E11" B="4.2060916E7" C="-3245.316" Error="0.00165"/>
<QuasiParabolic ID="2" StartDistance="6513.39" EndDistance="6546.779" A="0.0" B="787.6188" C="-0.080895886" Error="0.0147"/>
<QuasiParabolic ID="3" StartDistance="6546.779" EndDistance="6548.0" A="-6.4043095E12" B="1.9560759E9" C="-149361.61" Error="0.0222"/>
<QuasiParabolic ID="4" StartDistance="6548.0" EndDistance="6574.0" A="1.06008084E11" B="-3.2414452E7" C="2477.9119" Error="0.079"/>
<QuasiParabolic ID="5" StartDistance="6574.0" EndDistance="6577.0" A="-6.1031134E11" B="1.85510544E8" C="-14096.852" Error="0.0028"/>
<QuasiParabolic ID="6" StartDistance="6577.0" EndDistance="6581.0" A="3.11402771E12" B="-9.4702381E8" C="72001.24" Error="0.0798"/>
<QuasiParabolic ID="7" StartDistance="6581.0" EndDistance="6586.0" A="7.7127059E12" B="-2.34458598E9" C="178182.84" Error="0.0401"/>
<QuasiParabolic ID="8" StartDistance="6586.0" EndDistance="6594.0" A="7.3541532E12" B="-2.23570278E9" C="169916.56" Error="0.0265"/>
<QuasiParabolic ID="9" StartDistance="6594.0" EndDistance="6614.0" A="1.83276656E13" B="-5.5640356E9" C="422292.44" Error="0.0321"/>
<QuasiParabolic ID="10" StartDistance="6614.0" EndDistance="6630.594" A="-2.90088005E13" B="8.7499858E9" C="-659807.75" Error="0.012"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="100.169" Depth="0.154"/>
<TopsideChapman PeakHeight="260.594" PeakDensity="141322.89" PeakScaleHeight="15.464" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
