<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-10 -130 01:15:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.10 (130) 01:15:00</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">
FF202613005100115001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.600" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.570" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="16.420" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.100" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="230.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="230.000" 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="0.200" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.350" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="282.458" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="259.978" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="229.116" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.501" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="43.555" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.596" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="24.204" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.820" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="5.050" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="67">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.95 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 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 230.000 230.000 232.500 232.500 232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 235.000 235.000 237.500 237.500 237.500 240.000 240.000 240.000 240.000 240.000 240.000 242.500 243.750 245.000 245.000 245.000 245.000 245.000 247.500 247.500 250.000 250.000 250.000 252.500 252.500 255.000 255.000 255.000 255.000 257.500 260.000 260.000 261.250 262.500 265.000 265.000 267.500 267.500 270.000 271.884 274.013 276.437 279.223 282.458 286.261 290.794 296.290 303.094 311.736 323.074 338.607 361.187 397.021 462.625
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 69 72 81 87 102 105 105 105 105 105 117 117 111 111 114 120 123 120 114 114 102 99 123 123 102 105 108 108 96 96 93 87 81 81 111 111 117 114 93 90 84 84 102 99 72 72 96 93 99 105 105 102 96 90 90 96 96 93 72 75 63 60 78 69 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 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 -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="557">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 259.978 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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1.4187435 1.5024786 1.5944552 1.6965188 1.8110658 1.9410311 2.0899124 2.2607343 2.4535553 2.6613677 2.8693235 3.0627093 3.234252 3.383714 3.5137386 3.6275926 3.7280443 3.817387 3.8974206 3.9695268 4.034829 4.0941954 4.148337 4.19782 4.243122 4.284633 4.3226776 4.3575377 4.3894362 4.4185843 4.4451365 4.4692535 4.491051 4.510645 4.5281215 4.5435643 4.5570393 4.568603 4.578306 4.5861874 4.5922756 4.596598 4.5991693 4.6 4.5999994 4.599206 4.59692 4.593181 4.58803 4.5815077 4.573655 4.564513 4.5541224 4.5425243 4.529759 4.515867 4.500889 4.4848638 4.4678316 4.449831 4.4309 4.4110775 4.3904004 4.3689055 4.3466287 4.323606 4.2998724 4.275461 4.2504067 4.2247415 4.198498 4.171706 4.144398 4.116603 4.08835 4.0596676 4.030583 4.001123 3.9713142 3.9411814 3.9107494 3.880042 3.8490827 3.8178933 3.7864954 3.7549107 3.7231588 3.6912596 3.6592321 3.6270943 3.5948641 3.5625582 3.530193 3.4977846 3.465348 3.4328973 3.4004471 3.3680105 3.3356004 3.303229 3.2709088 3.2386506 3.206465 3.174363 3.142354 3.1104476 3.0786529 3.0469785 3.0154324 2.9840224 2.9527557 2.92164 2.890681 2.8598855 2.8292596 2.7988083 2.7685375 2.738452 2.7085562 2.678855 2.6493518 2.6200511 2.5909562 2.5620704 2.533397 2.5049386 2.476698 2.4486775 2.4208796 2.393306 2.3659587 2.338839 2.311949 2.2852898 2.258862 2.2326674 2.2067063 2.1809793 2.1554873 2.1302307 2.1052096 2.0804243 2.0558748 2.0315611 2.007483 1.9836404 1.9600329 1.9366599 1.913521 1.8906157 1.8679432 1.8455027 1.8232934 1.8013146 1.7795652 1.7580441 1.7367504 1.7156829 1.6948404 1.6742218 1.6538255 1.6336507 1.6136957 1.5939593 1.5744399 1.5551362 1.5360467 1.5171698 1.4985042 1.4800481 1.4617999 1.4437581 1.4259212 1.4082874 1.3908551 1.3736227 1.3565884 1.3397505 1.3231074 1.3066574 1.2903987 1.2743298 1.2584486 1.2427537 1.2272432 1.2119155 1.1967686 1.1818011 1.1670111 1.1523968 1.1379566 1.1236887 1.1095914 1.095663 1.0819017 1.0683057 1.0548736 1.0416036 1.0284938 1.0155426 1.0027485 0.99010974 0.9776246 0.9652914 0.9531086 0.9410745 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</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="4.6" PeakHeight="259.978" Num="5" zHalfNm="229.116" Error="2.574">
-75.594 18.524 -13.883 6.76 -1.785
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="15" 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="6508.0" A="-1.93482834E11" B="5.9716924E7" C="-4607.662" Error="0.00161"/>
<QuasiParabolic ID="2" StartDistance="6508.0" EndDistance="6536.0" A="0.0" B="-104.69163" C="0.05610961" Error="0.0023"/>
<QuasiParabolic ID="3" StartDistance="6536.0" EndDistance="6538.0" A="8.0392199E11" B="-2.460532E8" C="18827.17" Error="0.00971"/>
<QuasiParabolic ID="4" StartDistance="6538.0" EndDistance="6540.0" A="-3.53959018E11" B="1.08147176E8" C="-8260.654" Error="0.00875"/>
<QuasiParabolic ID="5" StartDistance="6540.0" EndDistance="6563.0" A="6.8380504E10" B="-2.100864E7" C="1613.6438" Error="0.00942"/>
<QuasiParabolic ID="6" StartDistance="6563.0" EndDistance="6565.0" A="6.1070534E12" B="-1.86122586E9" C="141809.98" Error="2.4E-10"/>
<QuasiParabolic ID="7" StartDistance="6565.0" EndDistance="6576.0" A="4.33139666E12" B="-1.32027942E9" C="100610.72" Error="0.0043"/>
<QuasiParabolic ID="8" StartDistance="6576.0" EndDistance="6581.0" A="7.6534645E12" B="-2.33064064E9" C="177432.6" Error="9.91E-4"/>
<QuasiParabolic ID="9" StartDistance="6581.0" EndDistance="6587.0" A="1.61130763E13" B="-4.9015603E9" C="372761.56" Error="0.00735"/>
<QuasiParabolic ID="10" StartDistance="6587.0" EndDistance="6591.0" A="4.8910987E13" B="-1.48599368E10" C="1128672.9" Error="0.00223"/>
<QuasiParabolic ID="11" StartDistance="6591.0" EndDistance="6597.0" A="1.28131617E14" B="-3.8898967E10" C="2952298.5" Error="0.00595"/>
<QuasiParabolic ID="12" StartDistance="6597.0" EndDistance="6600.0" A="-1.01099831E14" B="3.05966961E10" C="-2314918.8" Error="0.0023"/>
<QuasiParabolic ID="13" StartDistance="6600.0" EndDistance="6610.0" A="-5.3398112E13" B="1.61416294E10" C="-1219838.0" Error="0.00849"/>
<QuasiParabolic ID="14" StartDistance="6610.0" EndDistance="6629.978" A="-1.6602152E13" B="5.0082074E9" C="-377672.94" Error="0.005"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="84.0" Depth="0.154"/>
<TopsideChapman PeakHeight="259.978" PeakDensity="262531.03" PeakScaleHeight="24.204" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
