AR.5002.44 Confidence: 50% PACIFIC flags: Severe F-spread, F2x cusp not found, 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 2026.10.16 (289) 00:00:00 FF202628910160000009039031101000005015000000001107501000080502560000000040000 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 4.55 250.000 250.000 251.496 253.186 255.109 257.317 259.879 262.887 266.469 270.806 276.165 282.957 291.842 303.968 321.500 349.093 398.891 60 0 0 57 0 0 0 0 0 69 66 69 0 63 69 0 60 1.171875 1.171875 1.953125 1.171875 1.171875 1.171875 1.171875 1.171875 0.390625 -0.390625 0.390625 -0.390625 1.171875 -1.171875 -0.390625 -0.390625 -1.171875 93.502 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 142.667 145.0 150.0 155.0 160.0 165.0 170.0 175.0 175.333 180.0 185.0 190.0 195.0 200.0 205.0 208.0 210.0 215.0 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 269.735 270.0 275.0 280.0 285.0 290.0 295.0 300.0 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 440.0 445.0 450.0 455.0 460.0 465.0 470.0 475.0 480.0 485.0 490.0 495.0 500.0 505.0 510.0 515.0 520.0 525.0 530.0 535.0 540.0 545.0 550.0 555.0 560.0 565.0 0.2 0.234 0.307 0.343 0.354 0.351 0.343 0.328 0.306 0.275 0.231 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.222 0.246 0.269 0.293 0.316 0.34 0.354 0.495 0.686 0.91 1.248 1.971 3.037 3.611 3.961 4.199 4.363 4.47 4.531 4.55 4.55 4.532 4.485 4.413 4.321 4.211 4.087 3.953 3.812 3.665 3.516 3.365 3.214 3.065 2.918 2.775 2.636 2.501 2.37 2.245 2.125 2.01 1.9 1.795 1.695 1.6 1.51 1.424 1.343 1.267 1.194 1.125 1.06 0.999 0.941 0.887 0.835 0.786 0.74 0.697 0.657 0.618 0.582 0.548 0.516 0.485 0.457 0.43 0.405 0.381 0.359 0.338 0.318 0.299 0.281 0.265 0.249 0.235 0.221 0.208 -18.791 2.435 -0.142 -76.622 23.123 -13.685 5.449 0.0