<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-12 -132 21:55:00.000"
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="20.0">
<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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 80% PACIFIC flags: Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.12 (132) 21:55:00</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">
FF202613205122155001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.612" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.740" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.625" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="265.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="265.000" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.000" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="265.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.380" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="281.305" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="248.295" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.510" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="47.233" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.407" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="25.313" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="45.540" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.510" 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" >
3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225 3.25
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
265.000 280.000 290.000 302.500 315.856 330.989 348.280 368.225 391.487 418.967 451.929
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
45 54 51 51 0 0 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="572">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
92.995 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.80533 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 171.61067 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 202.416 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 281.305 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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0.41047946 0.43189958 0.45498025 0.4796338 0.5057423 0.5331594 0.5617379 0.5913438 0.62186605 0.6532109 0.68531114 0.71812505 0.7516298 0.7858206 0.820695 0.85627586 0.89257747 0.929628 0.96746826 1.0061194 1.045631 1.0860363 1.1273767 1.1696925 1.2130216 1.2573987 1.3028613 1.3494333 1.3971316 1.4459795 1.4959825 1.5471289 1.5994017 1.6527648 1.7071629 1.7625215 1.8187536 1.8757209 1.933304 1.9913273 2.049617 2.107973 2.166193 2.2240582 2.2813463 2.337852 2.393379 2.4477348 2.5007532 2.5522912 2.6022112 2.6504178 2.696821 2.7413633 2.7839954 2.8246827 2.863414 2.9001756 2.9349787 2.9678285 2.9987428 3.0277383 3.0548427 3.0800743 3.1034617 3.1250348 3.1448123 3.162824 3.1790898 3.193632 3.2064714 3.2176287 3.2271163 3.2349477 3.241137 3.245692 3.2486198 3.2499247 3.25 3.249762 3.248597 3.2464828 3.243445 3.2395084 3.2346983 3.2290401 3.222559 3.2152803 3.2072291 3.1984305 3.1889095 3.178691 3.1677992 3.1562583 3.144093 3.1313264 3.1179824 3.1040838 3.0896533 3.0747137 3.0592868 3.0433943 3.0270572 3.0102968 2.9931333 2.9755864 2.9576762 2.9394214 2.9208407 2.9019527 2.8827748 2.8633249 2.843619 2.8236744 2.8035069 2.7831318 2.7625644 2.7418196 2.7209115 2.699854 2.6786604 2.6573439 2.6359167 2.6143916 2.59278 2.5710936 2.549343 2.5275393 2.5056922 2.4838123 2.4619088 2.4399908 2.4180672 2.3961465 2.374237 2.3523467 2.330483 2.308653 2.286864 2.2651224 2.2434347 2.221807 2.2002454 2.1787548 2.1573412 2.1360095 2.1147645 2.0936108 2.072553 2.0515947 2.0307407 2.009994 1.9893588 1.968838 1.948435 1.9281527 1.9079939 1.8879615 1.8680577 1.8482852 1.8286458 1.8091418 1.7897749 1.770547 1.7514597 1.7325146 1.7137129 1.6950561 1.6765451 1.6581811 1.6399649 1.6218976 1.6039797 1.5862118 1.5685947 1.5511287 1.5338143 1.5166516 1.4996411 1.4827827 1.4660767 1.4495231 1.4331217 1.4168726 1.4007754 1.3848301 1.3690364 1.3533939 1.3379023 1.3225611 1.3073701 1.2923284 1.2774357 1.2626914 1.2480948 1.2336454 1.2193425 1.2051853 1.191173 1.177305 1.1635804 1.1499985 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</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.38" PeakHeight="110.0" Num="3" Error="0.0">
-19.645 2.825 -0.185
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.38" EndFrequency="3.25" PeakHeight="281.305" Num="5" zHalfNm="248.295" Error="3.408">
-81.526 4.882 -3.538 2.064 -0.771
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="7" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.017" EndDistance="6480.001" A="-6.3365546E11" B="1.95572672E8" C="-15090.34" Error="0.00261"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6510.805" A="-1.95844669E11" B="6.0445888E7" C="-4663.89" Error="0.00207"/>
<QuasiParabolic ID="2" StartDistance="6510.805" EndDistance="6541.611" A="0.0" B="776.7906" C="-0.07931616" Error="0.0143"/>
<QuasiParabolic ID="3" StartDistance="6541.611" EndDistance="6571.0" A="5.7347572E10" B="-1.7640464E7" C="1356.5677" Error="0.015"/>
<QuasiParabolic ID="4" StartDistance="6571.0" EndDistance="6595.0" A="3.08137453E12" B="-9.3805658E8" C="71392.8" Error="0.0229"/>
<QuasiParabolic ID="5" StartDistance="6595.0" EndDistance="6623.0" A="7.1846933E12" B="-2.18242918E9" C="165734.92" Error="0.0241"/>
<QuasiParabolic ID="6" StartDistance="6623.0" EndDistance="6651.305" A="-9.9683465E12" B="2.99741082E9" C="-225314.45" Error="0.0103"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="92.416" Depth="0.18"/>
<TopsideChapman PeakHeight="281.305" PeakDensity="131048.39" PeakScaleHeight="25.313" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
