AR.5002.44 Confidence: 70% PACIFIC flags: Moderate F-spread, Multiple candidates for F2x cusp, 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 2026.04.01 (091) 00:30:00 FF202609104010030009039031101000005018000000001107501000080502560000000040000 3.1 3.15 3.2 3.25 3.3 3.35 3.4 3.45 3.5 3.55 3.6 3.65 3.7 3.75 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 5.65 430.000 432.500 435.000 437.500 440.000 445.000 450.000 452.500 455.000 460.000 465.000 470.000 475.000 480.000 480.000 480.000 480.000 480.000 480.000 480.000 480.000 480.000 480.000 482.500 485.000 490.000 493.333 496.667 500.000 502.500 505.000 506.667 508.333 510.000 511.667 513.333 515.000 516.667 518.333 520.000 525.000 525.000 525.000 526.667 528.333 530.000 515.000 500.000 500.000 504.271 512.361 533.541 60 0 0 0 54 54 51 0 57 0 0 54 0 51 0 51 0 0 51 48 0 57 57 0 57 51 0 0 57 0 51 0 0 0 0 0 51 0 0 51 54 0 51 0 0 57 51 54 48 0 54 0 -0.390625 0.390625 0.390625 0.390625 -0.390625 0.390625 -0.390625 -0.390625 0.390625 -0.390625 -0.390625 0.390625 -0.390625 0.390625 -1.171875 -0.390625 0.390625 1.171875 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 0.390625 -0.390625 0.390625 -1.171875 -1.953125 0.390625 0.390625 -0.390625 -0.390625 -0.390625 1.171875 -0.390625 -0.390625 -0.390625 -2.734375 -1.171875 0.390625 -0.390625 0.390625 -0.390625 -0.390625 -1.171875 1.171875 0.390625 -0.390625 0.390625 0.390625 0.390625 -0.390625 93.502 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 145.0 146.511 150.0 155.0 160.0 165.0 170.0 175.0 180.0 183.023 185.0 190.0 195.0 200.0 205.0 210.0 215.0 219.534 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 270.0 275.0 280.0 285.0 290.0 295.0 300.0 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 439.11 440.0 445.0 450.0 455.0 460.0 465.0 470.0 475.0 480.0 485.0 490.0 495.0 500.0 505.0 510.0 515.0 520.0 525.0 530.0 535.0 540.0 545.0 550.0 555.0 560.0 565.0 570.0 575.0 580.0 585.0 590.0 595.0 600.0 605.0 610.0 615.0 620.0 625.0 630.0 635.0 640.0 645.0 650.0 655.0 660.0 665.0 670.0 675.0 680.0 685.0 690.0 695.0 700.0 705.0 710.0 715.0 720.0 725.0 730.0 735.0 740.0 745.0 750.0 755.0 760.0 765.0 770.0 775.0 780.0 785.0 790.0 795.0 800.0 805.0 810.0 815.0 820.0 825.0 0.2 0.234 0.307 0.343 0.354 0.352 0.345 0.333 0.316 0.292 0.26 0.216 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.208 0.229 0.251 0.272 0.293 0.314 0.335 0.354 0.359 0.415 0.473 0.535 0.603 0.676 0.755 0.84 0.929 1.023 1.12 1.22 1.321 1.424 1.528 1.633 1.739 1.845 1.952 2.06 2.169 2.278 2.389 2.501 2.614 2.728 2.844 2.962 3.082 3.204 3.329 3.456 3.587 3.721 3.859 4.002 4.151 4.305 4.468 4.639 4.823 5.022 5.242 5.491 5.65 5.65 5.631 5.589 5.525 5.441 5.342 5.229 5.105 4.972 4.831 4.686 4.536 4.384 4.231 4.078 3.926 3.775 3.627 3.481 3.338 3.199 3.063 2.932 2.805 2.682 2.563 2.448 2.338 2.232 2.13 2.032 1.938 1.848 1.762 1.68 1.601 1.526 1.454 1.385 1.319 1.257 1.197 1.14 1.085 1.034 0.984 0.937 0.892 0.849 0.808 0.77 0.733 0.697 0.664 0.632 0.601 0.572 0.545 0.518 0.493 0.47 0.447 0.425 0.405 0.385 0.367 0.349 0.332 0.316 0.301 0.286 0.272 0.259 0.247 0.235 0.223 0.212 0.202 -18.791 2.435 -0.142 -175.545 -76.968 46.746 -17.459 3.65