AR.5002.44 Confidence: 75% PACIFIC flags: Multiple candidates for F2o cusp, Unidentified traces above foF2 Dr. Mangalathayil Ali Abdu INPE, Division of Aeronomy

Av dos Astronautas, 1.758 Jd. Granja - CEP: 12227-010 Sao Jose dos Campos - SP Brasil

maabdu@dae.inpe.br 2026.02.25 (056) 11:50:00 FF202605602251150009039031101000005018000000001107501000080502560000000040000 3.8 3.85 3.9 3.95 4.0 4.05 4.1 4.15 4.2 4.25 4.3 4.35 4.4 4.45 4.5 4.55 4.6 4.65 4.7 4.75 4.8 4.85 4.9 4.95 5.0 5.05 5.1 5.15 5.2 5.25 5.3 5.35 5.4 5.45 5.5 5.55 5.6 5.65 5.7 5.75 5.8 5.85 5.9 5.95 6.0 6.05 6.1 6.15 6.2 6.25 6.3 6.35 6.4 6.45 6.5 6.55 6.6 6.65 6.7 6.75 6.8 6.85 6.9 6.95 7.0 7.05 7.1 7.15 7.2 7.25 7.3 7.35 7.4 7.45 7.5 7.55 7.6 7.65 7.7 7.75 7.8 7.85 7.9 7.95 8.0 8.05 8.1 8.15 8.2 8.25 8.3 8.35 8.4 8.45 8.5 8.55 8.6 8.65 8.7 8.75 8.8 8.85 8.9 8.95 9.0 9.05 9.1 9.15 9.2 9.25 9.3 9.35 9.4 9.45 9.5 9.55 9.6 9.65 9.7 9.75 9.8 9.85 9.9 9.95 10.0 10.05 10.1 10.15 10.2 10.25 215.000 215.000 215.000 215.000 220.000 222.500 225.000 220.000 225.000 230.000 235.000 235.000 235.000 235.000 240.000 240.000 250.000 255.000 256.667 258.333 260.000 260.000 260.000 265.000 265.000 265.000 265.000 265.000 267.500 270.000 275.000 277.500 280.000 280.000 282.500 285.000 286.250 287.500 288.750 290.000 295.000 295.833 296.667 297.500 298.333 299.167 300.000 300.000 302.500 305.000 310.000 310.000 315.000 315.000 317.500 320.000 320.000 320.000 320.000 320.000 325.000 325.000 330.000 330.000 330.000 335.000 335.000 335.000 340.000 340.000 340.000 340.000 340.000 345.000 347.500 350.000 350.000 350.000 355.000 357.500 360.000 360.000 362.500 365.000 365.000 365.000 365.000 370.000 375.000 375.000 375.000 375.000 380.000 380.000 380.000 385.000 385.000 385.000 390.000 390.000 392.500 395.000 395.000 400.000 400.000 400.000 405.000 405.000 410.000 410.000 410.000 415.000 415.000 420.000 420.000 425.000 425.000 430.000 435.000 435.000 440.000 445.000 450.000 450.000 455.102 461.441 469.530 480.209 494.960 516.660 48 48 51 48 48 0 45 51 51 0 51 57 60 54 57 48 57 48 0 0 63 66 66 63 66 66 60 51 0 63 66 0 60 63 0 60 0 0 0 0 0 0 0 0 0 0 57 0 0 57 51 57 51 54 0 51 0 45 63 63 63 66 60 63 63 54 57 57 48 54 60 60 60 63 0 60 66 63 63 48 57 63 0 60 66 66 66 66 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540.0 545.0 550.0 555.0 560.0 565.0 570.0 575.0 580.0 585.0 590.0 595.0 600.0 605.0 610.0 615.0 620.0 625.0 630.0 635.0 640.0 645.0 650.0 655.0 660.0 665.0 670.0 675.0 680.0 685.0 690.0 695.0 700.0 705.0 710.0 715.0 720.0 725.0 730.0 735.0 740.0 745.0 750.0 755.0 760.0 765.0 770.0 775.0 780.0 785.0 790.0 795.0 800.0 805.0 810.0 815.0 820.0 825.0 830.0 835.0 840.0 845.0 850.0 855.0 860.0 865.0 870.0 875.0 880.0 885.0 890.0 895.0 900.0 905.0 910.0 915.0 920.0 925.0 930.0 935.0 940.0 945.0 950.0 955.0 960.0 965.0 970.0 975.0 980.0 985.0 990.0 995.0 1000.0 0.2 0.232 1.787 2.303 2.574 2.66 2.55 2.55 2.55 2.649 2.66 2.79 2.939 3.095 3.258 3.428 3.605 3.786 3.972 4.161 4.354 4.549 4.746 4.945 5.145 5.347 5.549 5.753 5.957 6.163 6.369 6.577 6.785 6.995 7.206 7.418 7.631 7.845 8.061 8.278 8.496 8.714 8.932 9.149 9.362 9.569 9.765 9.943 10.092 10.198 10.248 10.25 10.246 10.228 10.197 10.154 10.098 10.032 9.956 9.87 9.775 9.673 9.564 9.448 9.326 9.199 9.068 8.933 8.794 8.653 8.509 8.362 8.215 8.066 7.916 7.766 7.615 7.465 7.315 7.165 7.016 6.868 6.722 6.576 6.432 6.29 6.149 6.011 5.874 5.739 5.606 5.475 5.346 5.22 5.095 4.973 4.854 4.736 4.621 4.508 4.397 4.289 4.182 4.078 3.977 3.877 3.78 3.685 3.592 3.501 3.412 3.325 3.24 3.158 3.077 2.998 2.921 2.846 2.772 2.701 2.631 2.563 2.496 2.432 2.368 2.307 2.247 2.188 2.131 2.075 2.021 1.968 1.917 1.867 1.818 1.77 1.724 1.678 1.634 1.591 1.55 1.509 1.469 1.43 1.393 1.356 1.32 1.285 1.252 1.219 1.186 1.155 1.125 1.095 1.066 1.038 1.01 0.984 0.958 0.932 0.908 0.884 0.86 0.838 0.815 0.794 0.773 0.752 0.732 0.713 0.694 0.676 0.658 0.64 0.624 0.607 0.591 0.575 0.56 0.545 0.531 0.517 0.503 0.49 0.477 0.464 0.452 0.44 -29.881 12.249 -2.76 -167.618 -45.141 15.772 -4.332 0.353