AR.5002.44 Confidence: 60% PACIFIC flags: Severe F-spread, Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, 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 2026.10.18 (291) 22:40:00 FF202629110182240009039031101000005015000000001107501000080502560000000040000 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 6.4 320.000 320.000 325.000 325.000 325.000 325.000 325.000 325.000 325.000 325.000 327.500 330.000 332.500 335.000 336.017 337.555 340.157 345.507 362.822 0 60 63 66 60 63 63 0 63 63 60 0 0 60 63 0 60 0 0 0.390625 1.171875 1.171875 1.171875 1.953125 1.171875 1.953125 1.953125 1.171875 1.171875 1.171875 1.171875 -1.171875 -1.171875 0.390625 0.390625 0.390625 1.953125 -1.171875 93.502 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 143.933 145.0 150.0 155.0 160.0 165.0 170.0 175.0 177.865 180.0 185.0 190.0 195.0 200.0 205.0 210.0 211.798 215.0 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 270.0 275.0 280.0 285.0 290.0 295.0 296.89 300.0 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 440.0 445.0 450.0 455.0 460.0 465.0 470.0 475.0 480.0 485.0 490.0 495.0 500.0 505.0 510.0 515.0 520.0 525.0 530.0 535.0 540.0 545.0 550.0 0.2 0.234 0.307 0.343 0.354 0.351 0.343 0.33 0.309 0.281 0.242 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.21 0.232 0.255 0.278 0.3 0.323 0.346 0.354 0.458 0.624 0.824 1.076 1.387 1.755 2.168 2.613 3.079 3.56 4.049 4.541 5.027 5.489 5.901 6.219 6.386 6.4 6.386 6.307 6.171 5.989 5.773 5.532 5.274 5.006 4.734 4.463 4.197 3.936 3.685 3.444 3.214 2.996 2.789 2.594 2.411 2.24 2.079 1.929 1.789 1.659 1.538 1.425 1.32 1.222 1.132 1.048 0.97 0.898 0.832 0.77 0.712 0.659 0.61 0.565 0.522 0.483 0.447 0.414 0.383 0.354 0.328 0.303 0.281 0.26 0.24 0.222 0.206 -18.791 2.435 -0.142 -81.791 -6.466 4.297 -2.079 0.947