<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-12 -132 22:15:00.000"
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="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 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" >
2026.05.12 (132) 22:15:00</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">
FF202613205122215001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.125" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.224" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.075" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.775" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.775" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.450" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="302.765" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="302.765" 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="2.775" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="302.765" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.775" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.775" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="302.648" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="264.744" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.110" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="54.277" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.484" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="28.637" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="54.540" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.070" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="15">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
302.765 307.500 312.500 320.000 327.500 335.000 342.500 352.500 362.500 375.000 387.500 402.500 422.500 442.500 469.401
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 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" >
-21.875 -21.875 -21.875 -21.875 -21.875 -21.875 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -9.375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="639">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.07666 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.15334 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 206.23 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 302.648 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0 658.0 659.0 660.0 661.0 662.0 663.0 664.0 665.0 666.0 667.0 668.0 669.0 670.0 671.0 672.0 673.0 674.0 675.0 676.0 677.0 678.0 679.0 680.0 681.0 682.0 683.0 684.0 685.0 686.0 687.0 688.0 689.0 690.0 691.0 692.0 693.0 694.0 695.0 696.0 697.0 698.0 699.0 700.0 701.0 702.0 703.0 704.0 705.0 706.0 707.0 708.0 709.0 710.0 711.0 712.0 713.0 714.0 715.0 716.0 717.0 718.0 719.0 720.0 721.0 722.0 723.0 724.0 725.0 726.0 727.0
</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 0.35354906 0.35298675 0.3521277 0.3511249 0.34983355 0.34833378 0.34655926 0.34451973 0.3422969 0.33976084 0.33699703 0.3340203 0.3307156 0.32710943 0.32323036 0.31904846 0.31454346 0.30970556 0.3045363 0.29899815 0.29305246 0.28673688 0.28000292 0.27269796 0.2649951 0.25664857 0.24771424 0.23816207 0.2277644 0.21662068 0.20451225 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 0.20406485 0.20886584 0.21366684 0.21846783 0.22326884 0.22806983 0.23287083 0.23767182 0.24247283 0.24727382 0.2520748 0.2568758 0.26167682 0.26647782 0.2712788 0.2760798 0.2808808 0.2856818 0.2904828 0.2952838 0.3000848 0.3048858 0.30968678 0.3144878 0.3192888 0.3240898 0.32889077 0.33369178 0.33849278 0.3432938 0.34809476 0.35289577 0.354 0.36774698 0.38580126 0.40411875 0.4227289 0.44166017 0.46094504 0.4806045 0.50066364 0.5211362 0.54205006 0.56341666 0.58525634 0.607588 0.6304243 0.6537815 0.67767876 0.7021199 0.72713023 0.7527148 0.7788861 0.8056547 0.8330336 0.8610292 0.8896544 0.9189111 0.9488074 0.97934866 1.0105336 1.0423703 1.0748558 1.1079842 1.1417621 1.1761774 1.2112147 1.2468777 1.2831513 1.3200102 1.3574535 1.3954483 1.433979 1.4730189 1.5125438 1.5525132 1.5929135 1.6336961 1.6748209 1.7162555 1.7579573 1.7998743 1.841972 1.8841907 1.9264876 1.9688057 2.0111027 2.053314 2.0953975 2.1372817 2.1789238 2.2202613 2.2612422 2.3018098 2.3419168 2.3814974 2.4205015 2.4588835 2.4965875 2.533562 2.5697641 2.6051443 2.63965 2.6732504 2.7058895 2.7375388 2.7681582 2.7977026 2.8261442 2.8534505 2.8795838 2.90452 2.9282315 2.9506898 2.971872 2.9917562 3.0103188 3.0275447 3.0434115 3.0579076 3.0710156 3.0827243 3.0930197 3.101895 3.1093395 3.115347 3.1199114 3.1230283 3.124695 3.125 3.124954 3.1243265 3.1229768 3.1209216 3.1181774 3.1147606 3.1106887 3.1059778 3.100645 3.094707 3.0881808 3.0810826 3.0734296 3.0652378 3.0565238 3.047304 3.0375946 3.0274112 3.01677 3.0056865 2.9941764 2.9822547 2.9699366 2.9572368 2.9441702 2.9307508 2.9169934 2.9029112 2.8885186 2.8738284 2.858854 2.8436086 2.8281047 2.8123548 2.7963707 2.7801647 2.7637482 2.7471328 2.7303293 2.7133489 2.696202 2.678899 2.66145 2.6438646 2.6261528 2.6083236 2.5903862 2.572349 2.5542214 2.536011 2.5177264 2.499375 2.480965 2.4625032 2.4439974 2.4254541 2.4068801 2.3882823 2.3696666 2.3510394 2.3324063 2.3137734 2.2951462 2.2765298 2.2579293 2.23935 2.2207966 2.2022734 2.1837854 2.1653364 2.1469307 2.1285722 2.110265 2.0920124 2.073818 2.0556853 2.0376174 2.0196173 2.0016882 1.9838328 1.9660538 1.9483538 1.9307352 1.9132005 1.8957517 1.8783911 1.8611208 1.8439424 1.826858 1.8098692 1.7929776 1.7761848 1.7594922 1.7429011 1.7264129 1.7100288 1.6937497 1.6775769 1.6615112 1.6455535 1.6297047 1.6139655 1.5983367 1.5828189 1.5674125 1.5521183 1.5369365 1.5218676 1.506912 1.49207 1.4773418 1.4627277 1.4482278 1.4338422 1.4195709 1.4054142 1.391372 1.377444 1.3636305 1.3499312 1.336346 1.3228747 1.3095171 1.2962731 1.2831423 1.2701246 1.2572193 1.2444265 1.2317456 1.2191763 1.2067181 1.1943707 1.1821338 1.1700066 1.1579888 1.1460799 1.1342794 1.1225868 1.1110015 1.099523 1.0881506 1.076884 1.0657223 1.0546652 1.0437119 1.0328617 1.0221142 1.0114686 1.0009243 0.9904808 0.98013717 0.9698929 0.9597473 0.94969976 0.9397495 0.9298958 0.92013806 0.9104756 0.90090764 0.8914336 0.88205266 0.8727641 0.86356735 0.8544616 0.8454462 0.8365204 0.82768345 0.81893474 0.81027347 0.8016989 0.7932105 0.7848074 0.7764889 0.7682543 0.7601029 0.75203407 0.744047 0.736141 0.7283154 0.72056955 0.71290267 0.70531404 0.697803 0.69036895 0.68301105 0.67572874 0.6685213 0.661388 0.6543282 0.64734125 0.64042646 0.6335831 0.62681067 0.62010837 0.6134756 0.60691166 0.600416 0.5939879 0.5876267 0.5813318 0.57510257 0.5689384 0.5628386 0.55680263 0.5508299 0.54491967 0.5390714 0.5332845 0.5275583 0.52189237 0.51628596 0.5107386 0.5052496 0.49981844 0.49444455 0.48912737 0.4838663 0.4786608 0.47351032 0.46841434 0.46337226 0.45838356 0.45344773 0.44856417 0.44373244 0.43895197 0.43422222 0.42954272 0.42491293 0.42033237 0.4158005 0.4113169 0.40688097 0.4024923 0.3981504 0.39385477 0.38960493 0.3854004 0.3812408 0.37712553 0.37305424 0.36902642 0.36504164 0.36109945 0.35719943 0.35334113 0.34952408 0.34574792 0.34201217 0.33831644 0.3346603 0.3310433 0.32746512 0.32392526 0.3204234 0.31695908 0.31353194 0.31014156 0.3067876 0.30346966 0.30018735 0.2969403 0.2937281 0.29055047 0.28740698 0.28429732 0.28122106 0.2781779 0.2751675 0.27218947 0.26924348 0.26632923 0.26344633 0.2605945 0.25777337 0.25498262 0.25222194 0.24949102 0.24678952 0.24411714 0.24147357 0.2388585 0.23627163 0.23371266 0.2311813 0.22867723 0.22620018 0.22374988 0.221326 0.21892828 0.21655646 0.21421023 0.21188934 0.2095935 0.20732248 0.20507596 0.20285372 0.20065549 0.19848101 0.19633001 0.19420226 0.19209751 0.19001551 0.187956 0.18591878 0.18390356 0.18191014 0.17993827 0.17798772 0.17605826 0.17414968 0.17226173 0.17039421 0.1685469 0.16671956 0.164912 0.163124 0.16135533 0.15960582 0.15787522 0.15616338 0.15447004 0.15279505 0.15113817 0.14949924 0.14787805 0.14627442 0.14468814 0.14311904 0.14156693 0.14003162 0.13851295 0.13701072 0.13552476 0.1340549 0.13260095 0.13116275 0.12974013 0.12833293 0.12694097 0.12556408 0.12420211 0.1228549 0.121522285 0.12020411 0.118900225 0.117610455 0.11633467 0.11507271 0.11382442 0.112589665 0.11136829 0.11016015 0.10896511 0.10778301 0.10661373 0.10545713 0.10431306 0.10318139 0.102061994 0.100954734 0.09985947 0.09877608 0.09770444 0.09664442 0.09559589 0.09455872 0.0935328 0.09251801 0.091514215 0.09052131 0.08953917 0.08856768 0.08760672 0.08665618 0.08571596 0.08478592 0.08386598 0.082956 0.082055904 0.08116556 0.08028487 0.07941374 0.07855205 0.07769971 0.07685661 0.07602266 0.07519776 0.0743818 0.073574685 0.07277633 0.07198664 0.071205504 0.07043285 0.06966857 0.06891259 0.0681648 0.067425124 0.06669348 0.065969765 0.0652539 0.0645458 0.06384539 0.06315257 0.062467266 0.061789397 0.061118886 0.060455646 0.0597996 0.059150673 0.058508787 0.057873864 0.057245832 0.05662461 0.056010127 0.055402312 0.05480109 0.054206397 0.05361815 0.053036287 0.052460738 0.051891435 0.051328305 0.050771285 0.05022031

</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="3.125" PeakHeight="302.648" Num="5" zHalfNm="264.744" Error="2.975">
-95.915 -0.462 -0.68 0.66 -0.021
</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="6512.077" A="-1.47608404E11" B="4.5558152E7" C="-3515.164" Error="0.00162"/>
<QuasiParabolic ID="2" StartDistance="6512.077" EndDistance="6544.153" A="0.0" B="-1973.9288" C="0.34314194" Error="0.0377"/>
<QuasiParabolic ID="3" StartDistance="6544.153" EndDistance="6570.0" A="7.4743005E10" B="-2.2903354E7" C="1754.5869" Error="0.0377"/>
<QuasiParabolic ID="4" StartDistance="6570.0" EndDistance="6573.0" A="-3.5034769E11" B="1.065002E8" C="-8093.477" Error="0.0012"/>
<QuasiParabolic ID="5" StartDistance="6573.0" EndDistance="6585.0" A="1.63414265E12" B="-4.9733072E8" C="37839.195" Error="0.0337"/>
<QuasiParabolic ID="6" StartDistance="6585.0" EndDistance="6599.0" A="1.45532912E12" B="-4.43021376E8" C="33715.48" Error="0.0199"/>
<QuasiParabolic ID="7" StartDistance="6599.0" EndDistance="6638.0" A="3.78597723E12" B="-1.14938547E9" C="87236.016" Error="0.00922"/>
<QuasiParabolic ID="8" StartDistance="6638.0" EndDistance="6656.0" A="-2.75677577E12" B="8.2191706E8" C="-61250.16" Error="0.00414"/>
<QuasiParabolic ID="9" StartDistance="6656.0" EndDistance="6672.648" A="-8.5915798E12" B="2.57516339E9" C="-192954.38" Error="0.00188"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="96.23" Depth="0.154"/>
<TopsideChapman PeakHeight="302.648" PeakDensity="121161.6" PeakScaleHeight="28.637" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
