<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-28 -148 02:10:00.000"
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" >
2026.05.28 (148) 02:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202614805280210001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.025" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.227" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="9.760" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.850" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.850" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.350" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="335.945" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="335.945" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.900" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="345.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.850" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.850" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="300.598" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="269.040" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.109" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="45.139" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.161" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.769" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="45.280" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.080" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="8">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
335.945 340.000 345.000 352.500 360.000 372.500 392.500 427.849
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
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 -1.5625 -1.5625 -1.5625 -4.6875 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="562">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.40533 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.81067 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 222.216 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 300.598 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0
</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 0.35321164 0.35265058 0.35186794 0.350941 0.34979865 0.3485186 0.3471045 0.34541655 0.34360594 0.3416075 0.33942947 0.3370126 0.33443692 0.3316471 0.32865804 0.32542273 0.32202384 0.31835952 0.3145163 0.31037852 0.30598602 0.30135432 0.29645485 0.29122707 0.2857481 0.2799283 0.27372292 0.26713538 0.2602186 0.25277948 0.24491926 0.23654076 0.22765537 0.21806781 0.20786938 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 0.2 0.2007795 0.20489655 0.20901361 0.21313068 0.21724774 0.2213648 0.22548185 0.22959891 0.23371598 0.23783304 0.2419501 0.24606715 0.2501842 0.25430128 0.25841832 0.2625354 0.26665246 0.2707695 0.27488658 0.27900365 0.2831207 0.28723776 0.2913548 0.29547188 0.29958895 0.303706 0.30782306 0.3119401 0.31605718 0.32017425 0.3242913 0.32840836 0.3325254 0.33664247 0.34075955 0.3448766 0.34899366 0.3531107 0.354 0.36943388 0.38988164 0.41118723 0.43336752 0.45643222 0.4803842 0.50523394 0.53099453 0.5576714 0.585263 0.61377925 0.64322686 0.6736005 0.7049054 0.73714316 0.7703076 0.80439323 0.8394037 0.87532115 0.9121408 0.94984514 0.9884202 1.0278631 1.0681343 1.1092209 1.1510963 1.1937436 1.2371107 1.2811764 1.3259056 1.3712503 1.4171703 1.4636246 1.5105592 1.5579201 1.6056579 1.653705 1.7020192 1.7505187 1.7991363 1.8478259 1.8964946 1.9450798 1.9935094 2.0417032 2.0895882 2.1370823 2.1841161 2.2306025 2.2764704 2.321626 2.3660054 2.4095254 2.4521012 2.4936683 2.5341408 2.5734553 2.6115296 2.6482987 2.6836894 2.7176402 2.75009 2.780972 2.8102317 2.837812 2.863661 2.887733 2.909981 2.9303606 2.9488363 2.9653692 2.979931 2.9924953 3.003036 3.0115325 3.017972 3.022339 3.0246272 3.025 3.0249157 3.023985 3.022047 3.0191305 3.0152633 3.010474 3.0047908 2.9982421 2.9908566 2.9826624 2.9736874 2.9639602 2.9535077 2.942358 2.9305382 2.9180746 2.9049945 2.891323 2.8770869 2.8623106 2.8470192 2.8312368 2.8149877 2.798295 2.7811813 2.7636695 2.7457812 2.7275376 2.7089596 2.6900673 2.6708803 2.6514184 2.6316996 2.6117423 2.591564 2.571182 2.5506124 2.5298717 2.508975 2.4879377 2.4667742 2.4454985 2.424124 2.402664 2.381131 2.359537 2.337894 2.3162131 2.2945051 2.2727804 2.2510493 2.229321 2.2076051 2.18591 2.1642444 2.1426165 2.1210337 2.0995035 2.0780332 2.0566294 2.0352983 2.0140464 1.9928792 1.9718022 1.950821 1.9299402 1.9091648 1.888499 1.8679473 1.8475134 1.8272012 1.8070142 1.7869558 1.7670289 1.7472367 1.7275816 1.7080663 1.6886933 1.6694645 1.650382 1.6314478 1.6126634 1.5940305 1.5755506 1.5572248 1.5390543 1.5210401 1.5031832 1.4854845 1.4679444 1.4505635 1.4333426 1.4162818 1.3993815 1.3826419 1.366063 1.3496449 1.3333876 1.317291 1.3013549 1.285579 1.2699629 1.2545065 1.2392092 1.2240704 1.2090898 1.1942667 1.1796005 1.1650904 1.1507359 1.136536 1.12249 1.1085973 1.0948567 1.0812675 1.0678288 1.0545394 1.0413986 1.0284054 1.0155587 1.0028574 0.99030066 0.9778871 0.96561587 0.9534857 0.9414956 0.9296444 0.91793096 0.90635407 0.89491266 0.8836055 0.8724314 0.8613892 0.8504777 0.83969575 0.82904214 0.81851566 0.80811507 0.79783916 0.7876868 0.7776568 0.7677478 0.75795877 0.74828845 0.73873556 0.729299 0.71997756 0.71077 0.7016752 0.69269186 0.68381894 0.6750552 0.6663995 0.65785056 0.6494074 0.64106876 0.6328335 0.6247005 0.61666864 0.60873675 0.60090375 0.59316856 0.58553 0.577987 0.5705385 0.5631834 0.5559207 0.5487492 0.54166794 0.53467584 0.5277719 0.5209551 0.5142243 0.5075786 0.50101703 0.4945385 0.48814204 0.48182675 0.47559157 0.46943563 0.46335793 0.45735753 0.4514335 0.44558492 0.43981093 0.43411055 0.42848295 0.4229272 0.41744244 0.4120278 0.40668243 0.40140548 0.39619613 0.3910535 0.3859768 0.3809652 0.37601793 0.37113416 0.36631313 0.36155406 0.35685614 0.35221863 0.3476408 0.3431219 0.33866116 0.3342579 0.32991135 0.32562086 0.32138565 0.3172051 0.31307846 0.3090051 0.30498436 0.30101553 0.29709795 0.293231 0.28941405 0.28564644 0.28192756 0.27825677 0.2746335 0.27105713 0.26752704 0.26404268 0.26060343 0.25720873 0.25385803 0.25055075 0.24728635 0.24406427 0.24088396 0.23774491 0.23464659 0.23158845 0.22857001 0.22559075 0.22265016 0.21974774 0.21688302 0.2140555 0.21126471 0.20851018 0.20579143 0.20310801 0.20045948 0.19784537 0.19526523 0.19271865 0.19020519 0.1877244 0.18527588 0.18285921 0.18047397 0.17811978 0.17579621 0.17350288 0.17123939 0.16900536 0.16680042 0.16462418 0.16247627 0.16035633 0.15826398 0.15619889 0.15416068 0.15214904 0.15016358 0.14820398 0.14626992 0.14436105 0.14247707 0.14061761 0.13878238 0.13697109 0.13518338 0.13341898 0.13167758 0.12995887 0.12826256 0.12658837 0.12493601 0.12330518 0.121695615 0.12010704 0.11853918 0.11699175 0.11546451 0.11395718 0.11246952 0.111001246 0.10955213 0.10812191 0.106710345 0.10531719 0.10394221 0.10258517 0.10124582 0.09992395 0.09861933 0.09733172 0.09606092 0.094806686 0.093568824 0.092347115 0.09114134 0.08995131 0.0887768 0.08761761 0.08647356 0.085344434 0.08423004 0.083130196 0.0820447 0.08097337 0.07991602 0.07887248 0.07784255 0.076826066 0.07582285 0.07483273 0.07385553 0.07289109 0.07193923 0.0709998 0.070072636 0.06915757 0.06825445 0.06736312 0.06648342 0.065615214 0.06475834 0.063912645 0.063078 0.062254246 0.061441246 0.06063886 0.059846953 0.059065383 0.058294017 0.05753272 0.056781363 0.056039818 0.055307955 0.054585647 0.053872768 0.0531692 0.052474815 0.0517895 0.051113132 0.050445598

</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="3.025" PeakHeight="300.598" Num="5" zHalfNm="269.04" Error="0.355">
-78.488 0.183 -0.131 0.078 -0.024
</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="6517.405" A="-1.08709937E11" B="3.355245E7" C="-2588.7983" Error="0.00178"/>
<QuasiParabolic ID="2" StartDistance="6517.405" EndDistance="6554.811" A="0.0" B="-577.1657" C="0.12859714" Error="0.0136"/>
<QuasiParabolic ID="3" StartDistance="6554.811" EndDistance="6589.0" A="3.949525E10" B="-1.2114987E7" C="929.0686" Error="0.0136"/>
<QuasiParabolic ID="4" StartDistance="6589.0" EndDistance="6591.0" A="-3.15103642E11" B="9.5518616E7" C="-7238.605" Error="4.81E-4"/>
<QuasiParabolic ID="5" StartDistance="6591.0" EndDistance="6594.0" A="4.6722774E12" B="-1.41787264E9" C="107568.805" Error="0.0107"/>
<QuasiParabolic ID="6" StartDistance="6594.0" EndDistance="6605.0" A="1.79493483E12" B="-5.4515731E8" C="41393.848" Error="0.0173"/>
<QuasiParabolic ID="7" StartDistance="6605.0" EndDistance="6645.0" A="4.6065522E12" B="-1.39651763E9" C="105842.016" Error="0.0196"/>
<QuasiParabolic ID="8" StartDistance="6645.0" EndDistance="6660.0" A="-6.3061728E12" B="1.8879744E9" C="-141298.1" Error="0.00414"/>
<QuasiParabolic ID="9" StartDistance="6660.0" EndDistance="6670.598" A="-1.20960603E13" B="3.62667955E9" C="-271831.5" Error="6.75E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="112.216" Depth="0.154"/>
<TopsideChapman PeakHeight="300.598" PeakDensity="113531.33" PeakScaleHeight="23.769" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
