<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-05 -125 23:10:00.000"
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: 50% PACIFIC flags: F2o cusp not found, 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" >
2026.05.05 (125) 23:10:00</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">
FF202612505052310001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="3.150" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.274" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.312" 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="3.450" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="329.716" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="329.716" 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="88" Val="3.025" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="337.500" 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="289.658" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="259.486" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.311" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="43.203" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.197" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="22.571" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="43.830" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.980" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="9">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
329.716 331.868 335.000 337.500 342.500 347.500 352.500 362.500 377.817
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="537">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.251 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 178.502 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 212.753 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 289.658 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0
</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 0.35306162 0.35235164 0.35149613 0.35034955 0.34899142 0.34750006 0.34573552 0.34377864 0.3415672 0.33918238 0.33649796 0.33366537 0.33049995 0.3271546 0.3235225 0.31963226 0.3155141 0.31103 0.3062863 0.3012263 0.29583874 0.2900828 0.28396878 0.2775317 0.27060384 0.26319182 0.255262 0.24687015 0.23785314 0.22813109 0.21771929 0.2064717 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 0.20223911 0.20673534 0.21123156 0.21572778 0.220224 0.22472021 0.22921643 0.23371264 0.23820888 0.24270509 0.24720131 0.25169754 0.25619376 0.26068997 0.2651862 0.2696824 0.27417862 0.27867484 0.28317106 0.28766727 0.2921635 0.2966597 0.30115592 0.30565214 0.3101484 0.3146446 0.31914082 0.32363704 0.32813326 0.33262947 0.3371257 0.3416219 0.34611812 0.35061434 0.354 0.3593916 0.38138485 0.4037698 0.42667827 0.45021895 0.4744779 0.49952927 0.5254381 0.55227494 0.58007616 0.6088984 0.63877386 0.66973984 0.7018141 0.7350239 0.76936775 0.80484873 0.8414738 0.879209 0.91805106 0.9579657 0.9989141 1.0408618 1.0837536 1.1275545 1.1722013 1.2176355 1.2638099 1.3106581 1.358125 1.4061509 1.4546658 1.5036224 1.5529615 1.6026192 1.652545 1.7026764 1.7529737 1.8033669 1.853802 1.9042369 1.9546008 2.004853 2.054932 2.104793 2.1543612 2.2035842 2.2524097 2.3007708 2.3485994 2.395844 2.4424264 2.488269 2.5333078 2.5774689 2.6206603 2.6628146 2.703842 2.7436543 2.7821646 2.8192759 2.854904 2.8889406 2.921302 2.9518855 2.980604 3.0073564 3.0320604 3.0546167 3.0749521 3.0929856 3.1086452 3.1218665 3.1325967 3.1407907 3.1464105 3.1494343 3.15 3.1499295 3.148926 3.1467602 3.143466 3.139078 3.1336305 3.1271584 3.1196957 3.1112776 3.1019378 3.0917108 3.0806303 3.06873 3.0560431 3.0426023 3.02844 3.013588 2.9980776 2.9819398 2.9652045 2.9479015 2.93006 2.9117079 2.8928733 2.8735833 2.8538642 2.833742 2.8132412 2.7923865 2.7712018 2.74971 2.7279334 2.7058935 2.6836116 2.6611078 2.6384017 2.6155126 2.5924587 2.5692577 2.5459268 2.5224822 2.49894 2.4753156 2.4516234 2.4278774 2.4040916 2.3802788 2.3564515 2.3326216 2.3088005 2.2849991 2.2612283 2.2374976 2.2138166 2.1901946 2.1666403 2.1431615 2.1197665 2.0964627 2.073257 2.050156 2.0271666 2.0042942 1.9815447 1.9589233 1.9364353 1.9140853 1.8918775 1.8698164 1.8479059 1.8261493 1.8045504 1.783112 1.7618372 1.7407286 1.7197888 1.69902 1.6784244 1.6580037 1.6377597 1.6176939 1.5978078 1.5781025 1.5585791 1.5392386 1.5200815 1.5011089 1.4823209 1.4637182 1.4453008 1.4270692 1.4090232 1.3911629 1.3734882 1.3559988 1.3386945 1.3215748 1.3046393 1.2878876 1.2713189 1.2549326 1.2387282 1.2227045 1.2068609 1.1911966 1.1757104 1.1604015 1.1452688 1.1303114 1.1155279 1.1009175 1.0864786 1.0722103 1.0581114 1.0441805 1.0304164 1.0168177 1.003383 0.99011123 0.97700083 0.9640504 0.95125866 0.93862414 0.9261455 0.91382116 0.9016498 0.88962996 0.8777601 0.8660389 0.8544649 0.84303653 0.83175236 0.820611 0.80961084 0.7987506 0.78802866 0.77744365 0.76699406 0.75667846 0.74649537 0.7364434 0.726521 0.7167269 0.7070595 0.69751745 0.6880994 0.67880374 0.6696293 0.6605745 0.6516381 0.64281857 0.6341147 0.625525 0.6170482 0.60868293 0.60042787 0.59228164 0.58424306 0.5763107 0.5684833 0.56075966 0.55313843 0.54561836 0.53819823 0.5308768 0.52365285 0.5165252 0.5094926 0.5025539 0.4957078 0.48895332 0.48228922 0.47571436 0.46922758 0.4628278 0.45651394 0.45028484 0.44413945 0.43807667 0.4320955 0.42619485 0.42037368 0.41463095 0.40896568 0.40337688 0.39786348 0.39242458 0.38705918 0.38176632 0.37654504 0.37139443 0.36631352 0.36130145 0.3563573 0.35148016 0.34666917 0.34192345 0.3372421 0.33262432 0.32806927 0.3235761 0.31914395 0.31477207 0.31045967 0.3062059 0.30201003 0.29787123 0.29378882 0.289762 0.28579 0.28187212 0.27800766 0.27419588 0.27043608 0.26672754 0.26306957 0.25946155 0.25590274 0.25239253 0.24893022 0.2455152 0.24214682 0.23882446 0.23554748 0.23231529 0.22912727 0.22598284 0.2228814 0.21982236 0.21680516 0.21382923 0.21089402 0.20799896 0.20514351 0.20232715 0.19954933 0.19680955 0.19410726 0.19144198 0.18881321 0.18622044 0.18366317 0.18114093 0.17865326 0.17619966 0.17377968 0.17139287 0.16903877 0.16671693 0.16442694 0.16216831 0.15994066 0.15774356 0.15557659 0.15343931 0.15133137 0.14925233 0.14720179 0.14517939 0.14318474 0.14121744 0.13927713 0.13736345 0.13547602 0.13361451 0.13177852 0.12996773 0.1281818 0.12642038 0.12468314 0.12296974 0.12127986 0.11961318 0.11796938 0.11634814 0.11474916 0.11317214 0.111616775 0.11008276 0.10856981 0.107077636 0.10560595 0.10415448 0.10272294 0.101311065 0.09991858 0.098545216 0.097190715 0.095854826 0.09453728 0.09323783 0.091956235 0.090692244 0.08944562 0.08821612 0.08700351 0.085807554 0.08462804 0.08346472 0.08231739 0.08118582 0.080069795 0.07896911 0.07788355 0.0768129 0.07575697 0.07471554 0.073688425 0.07267542 0.07167634 0.07069099 0.06971918 0.06876072 0.067815445 0.06688315 0.06596367 0.06505682 0.06416245 0.06328036 0.062410392 0.061552383 0.060706165 0.05987158 0.059048466 0.058236666 0.05743602 0.05664638 0.055867597 0.055099517 0.05434199 0.05359488 0.05285804 0.052131325 0.0514146 0.050707728 0.050010573

</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="3.15" PeakHeight="289.658" Num="5" zHalfNm="259.486" Error="0.616">
-76.04 -1.563 1.026 -0.598 0.27
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6514.251" A="-1.29542332E11" B="3.99822E7" C="-3084.9211" Error="0.00169"/>
<QuasiParabolic ID="2" StartDistance="6514.251" EndDistance="6548.502" A="0.0" B="952.3323" C="-0.106162414" Error="0.0184"/>
<QuasiParabolic ID="3" StartDistance="6548.502" EndDistance="6579.0" A="2.62938931E10" B="-8116977.0" C="626.3999" Error="0.0184"/>
<QuasiParabolic ID="4" StartDistance="6579.0" EndDistance="6580.0" A="-1.19254824E12" B="3.62408064E8" C="-27533.277" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6580.0" EndDistance="6602.0" A="2.71554367E12" B="-8.2546176E8" C="62730.387" Error="0.0359"/>
<QuasiParabolic ID="6" StartDistance="6602.0" EndDistance="6608.0" A="7.5457878E12" B="-2.28872883E9" C="173550.38" Error="0.00613"/>
<QuasiParabolic ID="7" StartDistance="6608.0" EndDistance="6642.0" A="4.15280818E12" B="-1.26179789E9" C="95846.75" Error="0.0385"/>
<QuasiParabolic ID="8" StartDistance="6642.0" EndDistance="6659.658" A="-1.41892151E13" B="4.26124442E9" C="-319919.75" Error="0.0102"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="102.753" Depth="0.154"/>
<TopsideChapman PeakHeight="289.658" PeakDensity="123107.94" PeakScaleHeight="22.571" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
