<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-27 -147 06:50:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 45% PACIFIC flags: F2o cusp not found, Multiple candidates for F2x cusp, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.27 (147) 06:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" 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">
FF202614705270650001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.050" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.284" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.015" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.800" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.800" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.375" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="316.916" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="316.916" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.900" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="330.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.800" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.800" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="292.625" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="262.710" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.458" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="42.814" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.119" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.511" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="43.230" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.040" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="11">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025 3.05
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
316.916 320.000 322.500 327.500 330.000 337.500 345.000 352.500 365.000 382.500 408.619
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -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="536">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.80667 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.61333 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 217.42 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 292.625 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0
</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 0.3517192 0.350645 0.3494313 0.3480085 0.3464547 0.34463117 0.3426185 0.3404249 0.33805934 0.33539656 0.33258682 0.3295117 0.32625493 0.3227102 0.31896535 0.3149282 0.31063524 0.30607045 0.30122787 0.29613683 0.29064465 0.28484657 0.27867365 0.2721047 0.26516885 0.25775462 0.24983028 0.24141169 0.23239332 0.22274493 0.21239421 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 0.201663 0.20596388 0.21026476 0.21456563 0.21886651 0.22316737 0.22746825 0.23176913 0.23607 0.24037088 0.24467176 0.24897262 0.25327352 0.25757438 0.26187524 0.26617613 0.270477 0.2747779 0.27907875 0.28337964 0.2876805 0.29198137 0.29628226 0.30058312 0.30488402 0.30918488 0.31348577 0.31778663 0.3220875 0.3263884 0.33068925 0.33499014 0.339291 0.34359187 0.34789276 0.35219362 0.354 0.3651843 0.38530937 0.4065237 0.42882964 0.45224723 0.47676864 0.5024034 0.52914816 0.55699694 0.5859503 0.6159914 0.6471101 0.67930216 0.71254605 0.7468396 0.7821544 0.8184805 0.8557996 0.89408916 0.93333477 0.9735051 1.0145844 1.0565516 1.0993643 1.1430063 1.1874396 1.232628 1.2785504 1.3251504 1.3723933 1.4202363 1.46863 1.5175289 1.5668801 1.6166222 1.6666973 1.7170492 1.7676126 1.8183222 1.8690939 1.919872 1.9705706 2.0211112 2.0714204 2.1214125 2.1709974 2.2200873 2.2686074 2.3164546 2.3635492 2.4097939 2.4550917 2.499363 2.5425076 2.5844476 2.625074 2.6643143 2.702079 2.7382853 2.7728453 2.8056796 2.8367229 2.8658948 2.893122 2.9183521 2.9415135 2.9625566 2.9814286 2.998082 3.0124779 3.024579 3.034357 3.0417862 3.0468497 3.0495336 3.05 3.0499177 3.048903 3.046758 3.0435162 3.0392108 3.0338757 3.0275447 3.0202513 3.0120294 3.0029125 2.9929338 2.9821262 2.9705226 2.9581556 2.9450567 2.9312577 2.9167898 2.901683 2.885968 2.869674 2.8528295 2.8354633 2.8176026 2.7992747 2.780506 2.761322 2.7417479 2.721808 2.7015262 2.6809256 2.6600282 2.6388562 2.6174304 2.5957713 2.5738986 2.5518315 2.5295885 2.5071871 2.484645 2.4619784 2.4392035 2.4163358 2.39339 2.3703802 2.3473203 2.3242233 2.3011022 2.2779684 2.2548342 2.2317102 2.2086074 2.1855357 2.1625047 2.1395237 2.1166017 2.0937467 2.0709672 2.0482702 2.0256634 2.0031533 1.9807466 1.9584494 1.9362671 1.9142058 1.8922701 1.8704652 1.8487954 1.8272651 1.8058784 1.7846389 1.7635502 1.7426155 1.7218378 1.7012199 1.6807644 1.6604738 1.6403501 1.6203953 1.6006113 1.5809997 1.561562 1.5422994 1.523213 1.504304 1.4855732 1.4670212 1.4486488 1.4304564 1.4124442 1.3946127 1.376962 1.359492 1.3422025 1.3250939 1.3081654 1.2914171 1.2748485 1.2584589 1.2422479 1.2262151 1.2103597 1.1946808 1.1791778 1.1638498 1.1486961 1.1337155 1.1189071 1.10427 1.089803 1.0755051 1.0613751 1.047412 1.0336144 1.0199813 1.0065113 0.9932032 0.98005575 0.96706754 0.95423734 0.94156384 0.92904556 0.9166813 0.90446955 0.89240897 0.88049823 0.8687358 0.85712034 0.84565043 0.83432466 0.8231416 0.8120998 0.8011978 0.7904343 0.77980775 0.76931673 0.75895983 0.74873567 0.73864275 0.7286797 0.7188451 0.70913756 0.6995556 0.69009787 0.68076295 0.67154944 0.66245604 0.65348136 0.64462394 0.6358825 0.6272556 0.61874205 0.6103404 0.6020494 0.59386766 0.585794 0.5778269 0.5699653 0.5622078 0.5545532 0.5470002 0.5395477 0.5321942 0.5249387 0.5177799 0.5107166 0.50374764 0.49687186 0.49008805 0.48339504 0.47679177 0.470277 0.46384972 0.45750877 0.45125303 0.44508144 0.43899292 0.4329864 0.42706084 0.42121518 0.41544843 0.40975952 0.40414748 0.3986113 0.39315003 0.38776264 0.38244817 0.37720573 0.3720343 0.36693302 0.36190096 0.35693714 0.35204077 0.34721085 0.3424466 0.33774713 0.33311155 0.328539 0.32402873 0.31957987 0.31519157 0.31086308 0.30659357 0.30238223 0.29822835 0.29413113 0.29008985 0.28610367 0.28217193 0.2782939 0.27446884 0.270696 0.26697478 0.2633044 0.2596842 0.25611353 0.2525917 0.24911806 0.24569194 0.24231273 0.23897977 0.23569246 0.23245016 0.22925228 0.22609821 0.22298735 0.21991915 0.21689299 0.21390831 0.21096458 0.2080612 0.20519765 0.20237337 0.19958785 0.19684054 0.19413094 0.19145852 0.18882279 0.18622325 0.18365939 0.18113074 0.17863682 0.17617714 0.17375126 0.17135869 0.168999 0.16667172 0.16437644 0.16211268 0.15988004 0.1576781 0.1555064 0.15336458 0.1512522 0.14916885 0.14711416 0.14508772 0.14308913 0.14111805 0.13917407 0.13725683 0.13536596 0.13350111 0.1316619 0.12984802 0.12805907 0.12629475 0.1245547 0.1228386 0.12114611 0.11947692 0.1178307 0.11620714 0.11460592 0.113026746 0.111469306 0.10993331 0.10841846 0.10692447 0.10545103 0.10399789 0.10256476 0.10115136 0.09975742 0.098382674 0.09702686 0.09568972 0.09437099 0.093070425 0.09178777 0.09052277 0.08927521 0.08804482 0.08683138 0.08563466 0.084454425 0.083290435 0.08214249 0.08101036 0.07989381 0.078792654 0.077706665 0.07663564 0.07557936 0.07453764 0.073510274 0.07249706 0.071497805 0.07051232 0.06954041 0.068581894 0.06763658 0.066704296 0.06578486 0.064878084 0.063983805 0.06310186 0.062232055 0.061374243 0.06052825 0.059693914 0.058871076 0.058059577 0.05725926 0.056469973 0.055691563 0.05492388 0.05416678 0.05342011 0.052683733 0.051957503 0.051241282 0.05053493

</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="3.05" PeakHeight="292.625" Num="5" zHalfNm="262.71" Error="0.59">
-74.809 -0.419 0.158 -0.094 -0.041
</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="6515.807" A="-1.18573818E11" B="3.659686E7" C="-2823.7063" Error="0.00174"/>
<QuasiParabolic ID="2" StartDistance="6515.807" EndDistance="6551.613" A="0.0" B="-210.13821" C="0.07228829" Error="0.00535"/>
<QuasiParabolic ID="3" StartDistance="6551.613" EndDistance="6586.0" A="3.6002525E10" B="-1.1062161E7" C="849.7463" Error="0.00658"/>
<QuasiParabolic ID="4" StartDistance="6586.0" EndDistance="6590.0" A="3.80381508E12" B="-1.15525056E9" C="87714.945" Error="0.00968"/>
<QuasiParabolic ID="5" StartDistance="6590.0" EndDistance="6595.0" A="1.57455273E12" B="-4.78691456E8" C="36382.69" Error="0.0087"/>
<QuasiParabolic ID="6" StartDistance="6595.0" EndDistance="6604.0" A="3.28332188E12" B="-9.9689286E8" C="75670.14" Error="0.0029"/>
<QuasiParabolic ID="7" StartDistance="6604.0" EndDistance="6634.0" A="5.3680422E12" B="-1.62824371E9" C="123470.77" Error="0.00943"/>
<QuasiParabolic ID="8" StartDistance="6634.0" EndDistance="6649.0" A="-2.34939351E12" B="6.9838752E8" C="-51885.816" Error="0.00638"/>
<QuasiParabolic ID="9" StartDistance="6649.0" EndDistance="6662.625" A="-1.34984373E13" B="4.05198771E9" C="-304074.12" Error="0.00266"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="107.42" Depth="0.154"/>
<TopsideChapman PeakHeight="292.625" PeakDensity="115415.63" PeakScaleHeight="22.511" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
