<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-09 -129 01:50:00.000"
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" >
2026.05.09 (129) 01:50:00</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">
FF202612905090150001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.075" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.556" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.490" 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="4.575" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="237.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="237.500" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.800" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="277.500" 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="255.178" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="231.721" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.254" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="33.502" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.559" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="18.045" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="30.460" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.000" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="45">
<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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
237.500 237.500 237.500 237.500 240.000 240.000 240.000 242.500 242.500 242.500 245.000 245.000 245.000 247.500 247.500 250.000 250.000 250.000 250.000 255.000 255.000 255.000 257.500 257.500 260.000 260.000 262.500 262.500 267.500 270.000 270.000 272.500 275.000 277.500 282.500 285.000 288.943 293.457 298.677 304.783 312.020 320.736 331.434 344.878 362.281
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 69 81 81 93 96 96 96 96 96 105 108 108 105 108 99 72 75 108 96 81 84 84 84 84 84 84 81 78 78 66 63 60 54 72 72 87 84 54 57 81 78 0 72 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 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="450">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 139.75 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 169.5 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 199.25 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 255.178 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0
</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 0.35347393 0.352762 0.35182965 0.3506064 0.3491724 0.34738788 0.34533682 0.34299496 0.34037665 0.33746356 0.3342082 0.33063674 0.3267138 0.32253745 0.31796023 0.31297803 0.30765462 0.30189866 0.29567927 0.28909197 0.28191414 0.2741947 0.26597098 0.25704813 0.24743798 0.23701459 0.22570056 0.21345264 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 0.20258823 0.2077647 0.21294117 0.21811765 0.22329412 0.2284706 0.23364706 0.23882353 0.244 0.24917647 0.25435293 0.2595294 0.2647059 0.26988235 0.27505884 0.2802353 0.28541178 0.29058823 0.2957647 0.30094117 0.30611765 0.3112941 0.3164706 0.32164705 0.32682353 0.332 0.33717647 0.34235293 0.3475294 0.3527059 0.354 0.37747058 0.41169626 0.44892403 0.4887613 0.53085595 0.5749644 0.6209539 0.6687833 0.71849716 0.77017426 0.82396793 0.88006085 0.9386473 0.9999879 1.0643282 1.1319737 1.2032299 1.2784466 1.3579872 1.442189 1.5313942 1.6259217 1.7259612 1.831592 1.9426738 2.0587974 2.1791492 2.3026733 2.4278717 2.5531354 2.6767914 2.7972915 2.9133723 3.0240474 3.1287 3.2270033 3.3188474 3.40424 3.4833562 3.556391 3.623607 3.6852589 3.7415886 3.7928498 3.8392692 3.8810444 3.918364 3.9513996 3.980293 4.0051723 4.026141 4.043294 4.056703 4.066422 4.072493 4.0749426 4.075 4.074182 4.0710287 4.065588 4.0579457 4.04819 4.036409 4.022689 4.007117 3.9897795 3.970762 3.9501486 3.928022 3.9044638 3.8795538 3.8533704 3.82599 3.797487 3.7679338 3.7374012 3.7059574 3.6736689 3.6405995 3.6068118 3.5723655 3.537318 3.5017252 3.4656403 3.429115 3.392198 3.3549368 3.3173764 3.27956 3.2415287 3.203322 3.164977 3.1265295 3.0880134 3.0494606 3.010902 2.972366 2.93388 2.8954701 2.8571603 2.8189738 2.7809317 2.7430546 2.7053616 2.6678703 2.6305974 2.5935585 2.556768 2.520239 2.4839847 2.4480162 2.412344 2.3769782 2.3419275 2.3072004 2.2728043 2.2387457 2.205031 2.1716657 2.1386542 2.1060011 2.0737104 2.041785 2.0102277 1.9790407 1.9482261 1.9177853 1.8877192 1.8580284 1.8287135 1.7997745 1.7712111 1.7430227 1.7152083 1.6877671 1.6606977 1.6339984 1.6076677 1.5817035 1.5561038 1.5308663 1.5059885 1.481468 1.457302 1.4334875 1.410022 1.3869021 1.3641249 1.3416871 1.3195856 1.2978168 1.2763773 1.2552639 1.2344729 1.2140008 1.1938441 1.173999 1.154462 1.1352293 1.1162975 1.0976626 1.079321 1.061269 1.0435029 1.0260191 1.0088137 0.99188316 0.97522366 0.9588316 0.9427033 0.9268351 0.9112235 0.89586467 0.88075525 0.8658915 0.85126996 0.8368872 0.8227396 0.8088238 0.7951364 0.7816739 0.76843303 0.75541043 0.7426028 0.730007 0.7176196 0.7054376 0.69345766 0.68167686 0.670092 0.6587 0.6474979 0.6364828 0.6256516 0.61500156 0.6045297 0.5942332 0.5841094 0.5741554 0.56436855 0.55474615 0.5452856 0.5359842 0.5268395 0.51784885 0.50900984 0.50031996 0.4917768 0.48337793 0.47512102 0.46700376 0.45902383 0.451179 0.44346702 0.43588573 0.42843294 0.42110655 0.4139045 0.40682465 0.39986503 0.39302364 0.3862985 0.3796877 0.37318927 0.3668014 0.36052227 0.35434997 0.34828275 0.3423189 0.33645663 0.33069423 0.3250301 0.31946248 0.31398982 0.30861053 0.303323 0.29812568 0.2930171 0.2879957 0.28306004 0.2782087 0.27344018 0.26875317 0.2641462 0.259618 0.2551672 0.25079247 0.24649253 0.24226613 0.238112 0.23402894 0.23001571 0.22607115 0.22219409 0.21838337 0.21463786 0.21095648 0.20733811 0.20378168 0.20028615 0.19685048 0.19347364 0.19015463 0.18689246 0.18368617 0.18053481 0.17743744 0.17439315 0.17140101 0.16846013 0.16556966 0.16272873 0.15993647 0.15719208 0.15449475 0.15184364 0.14923796 0.14667697 0.14415988 0.14168596 0.13925445 0.13686462 0.13451578 0.13220721 0.12993824 0.12770818 0.12551637 0.123362154 0.12124488 0.119163916 0.11711865 0.11510847 0.11313277 0.11119096 0.109282464 0.107406706 0.10556313 0.10375118 0.10197032 0.10022001 0.09849974 0.09680898 0.09514722 0.09351399 0.091908775 0.09033111 0.08878051 0.08725652 0.085758686 0.08428655 0.08283968 0.081417635 0.08002 0.07864635 0.07729627 0.07596937 0.07466523 0.07338348 0.07212372 0.07088559 0.06966871 0.06847271 0.06729724 0.06614195 0.06500648 0.0638905 0.06279368 0.061715685 0.060656194 0.059614886 0.05859145 0.057585586 0.056596987 0.055625357 0.054670405 0.053731844 0.05280939 0.05190278 0.051011726 0.050135966

</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="4.075" PeakHeight="255.178" Num="5" zHalfNm="231.721" Error="2.056">
-59.647 6.707 -4.824 2.461 -0.625
</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="6509.75" A="-1.71482022E11" B="5.2926548E7" C="-4083.7134" Error="0.00152"/>
<QuasiParabolic ID="2" StartDistance="6509.75" EndDistance="6539.5" A="0.0" B="897.93774" C="-0.09791445" Error="0.0151"/>
<QuasiParabolic ID="3" StartDistance="6539.5" EndDistance="6566.0" A="3.7261226E10" B="-1.1493243E7" C="886.24963" Error="0.0151"/>
<QuasiParabolic ID="4" StartDistance="6566.0" EndDistance="6568.0" A="-3.70074845E11" B="1.12581104E8" C="-8561.995" Error="0.00269"/>
<QuasiParabolic ID="5" StartDistance="6568.0" EndDistance="6572.0" A="8.3606446E12" B="-2.54598144E9" C="193825.53" Error="0.018"/>
<QuasiParabolic ID="6" StartDistance="6572.0" EndDistance="6573.0" A="-7.4333481E11" B="2.24553952E8" C="-16957.746" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6573.0" EndDistance="6581.0" A="6.8879558E12" B="-2.09745754E9" C="159674.8" Error="0.0073"/>
<QuasiParabolic ID="8" StartDistance="6581.0" EndDistance="6587.0" A="1.4385087E13" B="-4.3758746E9" C="332780.47" Error="0.00177"/>
<QuasiParabolic ID="9" StartDistance="6587.0" EndDistance="6597.0" A="3.42866967E13" B="-1.04185672E10" C="791463.7" Error="0.0164"/>
<QuasiParabolic ID="10" StartDistance="6597.0" EndDistance="6602.0" A="2.96629442E13" B="-9.0167931E9" C="685220.44" Error="0.0076"/>
<QuasiParabolic ID="11" StartDistance="6602.0" EndDistance="6625.178" A="-2.90099414E13" B="8.7574825E9" C="-660907.75" Error="0.00333"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="89.25" Depth="0.154"/>
<TopsideChapman PeakHeight="255.178" PeakDensity="206025.12" PeakScaleHeight="18.045" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
