<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-08 -128 08:25:00.000"
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" >
2026.05.08 (128) 08:25:00</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">
FF202612805080825001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.275" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.351" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="7.624" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="2.550" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="282.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="282.500" 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="2.100" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="302.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="280.496" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="249.618" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.620" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="43.790" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.651" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.288" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="44.590" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.050" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="12">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
282.500 287.500 297.500 300.000 302.500 317.500 330.000 340.000 347.500 364.966 387.389 417.225
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 66 63 60 57 66 63 69 72 39 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="514">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.50034 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 175.00067 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 207.501 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 280.496 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0
</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 0.35298675 0.35220242 0.35119912 0.34990713 0.3484798 0.34677604 0.34480518 0.34257796 0.34017614 0.33747253 0.3345526 0.33130047 0.32780638 0.32403085 0.32000348 0.31563812 0.31092337 0.30591342 0.30056086 0.29481593 0.28865844 0.28212163 0.27518457 0.26765877 0.25963092 0.2510415 0.24182013 0.23189601 0.2212121 0.20965317 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 0.20473525 0.20947367 0.21421207 0.2189505 0.2236889 0.22842732 0.23316573 0.23790415 0.24264255 0.24738097 0.2521194 0.25685778 0.2615962 0.26633462 0.27107304 0.27581143 0.28054985 0.28528827 0.2900267 0.29476508 0.2995035 0.30424193 0.30898035 0.31371877 0.31845716 0.32319558 0.327934 0.33267242 0.3374108 0.34214923 0.34688765 0.35162607 0.354 0.3638159 0.38351873 0.40336475 0.42345235 0.4438541 0.46463528 0.48585048 0.5075337 0.5297363 0.5524788 0.5758055 0.59973025 0.6242895 0.64948994 0.6753598 0.7019041 0.7291421 0.75707614 0.78570974 0.8150417 0.8450714 0.8757871 0.9071827 0.9392357 0.97192866 1.0052332 1.0391202 1.0735644 1.1085153 1.1439356 1.1797861 1.2160085 1.25256 1.2893711 1.3263984 1.3635689 1.4008336 1.4381154 1.4753522 1.5124818 1.5494349 1.5861361 1.6225259 1.6585367 1.6940932 1.7291368 1.7635947 1.7974069 1.8304994 1.8628182 1.8942966 1.9248756 1.9544996 1.9831088 2.0106473 2.037064 2.0623076 2.0863304 2.1090848 2.1305282 2.1506195 2.1693177 2.1865852 2.202394 2.21671 2.2295055 2.240757 2.2504401 2.2585378 2.2650325 2.2699146 2.273172 2.2747989 2.275 2.2748964 2.274086 2.2724895 2.2701294 2.2670288 2.2632098 2.2586954 2.253508 2.247671 2.2412064 2.2341368 2.2264845 2.2182715 2.20952 2.2002513 2.190487 2.180248 2.169555 2.1584284 2.1468883 2.1349542 2.1226454 2.109981 2.0969791 2.083658 2.0700352 2.056128 2.041953 2.0275269 2.012865 1.9979835 1.9828968 1.9676198 1.9521666 1.9365509 1.920786 1.9048849 1.8888601 1.8727235 1.8564868 1.8401614 1.823758 1.8072871 1.790759 1.774183 1.7575688 1.7409253 1.724261 1.7075845 1.6909035 1.6742259 1.6575587 1.6409092 1.6242839 1.6076893 1.5911314 1.5746164 1.5581495 1.5417361 1.5253814 1.5090902 1.4928669 1.4767159 1.4606414 1.4446472 1.4287369 1.4129143 1.3971823 1.3815442 1.366003 1.3505613 1.3352215 1.3199863 1.3048577 1.289838 1.2749289 1.2601324 1.24545 1.2308834 1.2164336 1.2021024 1.1878908 1.1737996 1.15983 1.1459827 1.1322587 1.1186582 1.1051822 1.0918308 1.0786047 1.0655041 1.0525291 1.03968 1.0269569 1.0143598 1.0018886 0.9895434 0.9773238 0.9652297 0.95326084 0.941417 0.9296977 0.91810256 0.90663123 0.8952832 0.8840579 0.87295485 0.8619734 0.851113 0.840373 0.8297527 0.81925136 0.80886835 0.7986029 0.7884542 0.77842146 0.76850396 0.75870085 0.7490113 0.73943436 0.7299692 0.720615 0.7113709 0.70223594 0.6932092 0.6842897 0.6754766 0.666769 0.65816593 0.64966637 0.64126945 0.6329742 0.62477964 0.61668485 0.60868883 0.6007906 0.59298927 0.5852838 0.5776733 0.5701568 0.56273323 0.5554018 0.5481614 0.5410111 0.53395003 0.5269772 0.52009165 0.51329243 0.5065786 0.49994928 0.49340346 0.48694026 0.48055878 0.47425807 0.46803722 0.46189535 0.45583156 0.44984493 0.4439346 0.43809965 0.43233928 0.42665258 0.42103866 0.4154967 0.4100259 0.40462533 0.3992942 0.3940317 0.38883698 0.38370925 0.37864769 0.37365153 0.36871994 0.36385217 0.35904744 0.35430497 0.349624 0.3450038 0.3404436 0.3359427 0.3315003 0.32711574 0.32278827 0.31851718 0.31430182 0.3101414 0.30603534 0.3019829 0.29798344 0.29403624 0.2901407 0.28629616 0.28250194 0.27875745 0.27506202 0.27141508 0.26781598 0.2642641 0.26075888 0.2572997 0.25388595 0.2505171 0.24719255 0.24391173 0.2406741 0.23747908 0.23432614 0.23121473 0.22814432 0.22511439 0.2221244 0.21917385 0.21626224 0.21338902 0.21055375 0.20775592 0.20499504 0.20227061 0.1995822 0.1969293 0.1943115 0.1917283 0.18917924 0.18666393 0.18418188 0.18173268 0.1793159 0.17693111 0.17457789 0.17225584 0.16996455 0.16770361 0.16547264 0.16327122 0.16109897 0.15895553 0.1568405 0.15475352 0.15269421 0.15066221 0.14865717 0.14667873 0.14472654 0.14280026 0.14089954 0.13902405 0.13717346 0.13534743 0.13354565 0.1317678 0.13001356 0.1282826 0.12657465 0.12488938 0.12322651 0.12158573 0.119966745 0.118369274 0.11679304 0.11523775 0.11370313 0.11218892 0.11069483 0.10922061 0.10776599 0.1063307 0.10491451 0.103517145 0.10213836 0.100777924 0.099435575 0.09811108 0.09680421 0.095514715 0.09424239 0.09298698 0.091748275 0.09052605 0.08932009 0.088130176 0.086956106 0.08579765 0.084654614 0.08352679 0.08241398 0.08131598 0.08023259 0.07916363 0.07810889 0.0770682 0.07604136 0.075028196 0.074028514 0.07304214 0.0720689 0.071108624 0.07016113 0.06922625 0.06830382 0.067393675 0.06649565 0.06560958 0.064735316 0.063872695 0.063021556 0.062181756 0.06135314 0.06053556 0.05972887 0.058932923 0.05814758 0.057372697 0.056608133 0.055853754 0.055109426 0.05437501 0.05365038 0.052935403 0.05222995 0.051533893 0.05084711 0.050169475

</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="2.275" PeakHeight="280.496" Num="5" zHalfNm="249.618" Error="2.464">
-72.245 -0.766 -0.317 0.254 0.079
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6512.5" A="-1.4380168E11" B="4.4383236E7" C="-3424.507" Error="0.00162"/>
<QuasiParabolic ID="2" StartDistance="6512.5" EndDistance="6545.001" A="0.0" B="535.2366" C="-0.042157494" Error="0.00949"/>
<QuasiParabolic ID="3" StartDistance="6545.001" EndDistance="6547.0" A="-1.8236628E12" B="5.5705651E8" C="-42539.605" Error="0.0397"/>
<QuasiParabolic ID="4" StartDistance="6547.0" EndDistance="6560.0" A="1.54634961E11" B="-4.7280712E7" C="3614.1445" Error="0.039"/>
<QuasiParabolic ID="5" StartDistance="6560.0" EndDistance="6574.0" A="-4.1691931E10" B="1.2575044E7" C="-948.0322" Error="0.0129"/>
<QuasiParabolic ID="6" StartDistance="6574.0" EndDistance="6594.0" A="1.73482312E12" B="-5.27891968E8" C="40158.37" Error="0.0366"/>
<QuasiParabolic ID="7" StartDistance="6594.0" EndDistance="6599.0" A="3.2405101E12" B="-9.8457594E8" C="74787.125" Error="0.00306"/>
<QuasiParabolic ID="8" StartDistance="6599.0" EndDistance="6630.0" A="2.52004375E12" B="-7.6621965E8" C="58242.477" Error="0.0382"/>
<QuasiParabolic ID="9" StartDistance="6630.0" EndDistance="6650.496" A="-6.4812886E12" B="1.94911437E9" C="-146533.84" Error="0.0117"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="97.501" Depth="0.154"/>
<TopsideChapman PeakHeight="280.496" PeakDensity="64213.71" PeakScaleHeight="23.288" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
