AR.5002.44 Confidence: 70% PACIFIC flags: Severe 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 2026.10.18 (291) 07:50:00 FF202629110180750009039031101000005015000000001107501000080502560000000040000 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 6.35 290.000 291.429 292.857 294.286 295.714 297.143 298.571 300.000 300.000 300.000 300.000 305.000 310.000 315.000 315.000 315.000 315.000 315.000 315.000 316.220 317.831 320.056 323.330 328.623 338.638 364.770 0 0 75 0 0 0 0 69 72 78 75 72 69 75 72 0 69 0 69 66 66 66 0 66 66 63 0.390625 0.390625 0.390625 0.390625 1.171875 1.171875 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 0.390625 0.390625 1.171875 0.390625 0.390625 0.390625 93.065 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 139.677 140.0 145.0 150.0 155.0 160.0 165.0 169.354 170.0 175.0 180.0 185.0 190.0 195.0 199.031 200.0 205.0 210.0 215.0 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 270.0 275.0 280.0 283.162 285.0 290.0 295.0 300.0 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 440.0 445.0 450.0 455.0 460.0 465.0 470.0 475.0 480.0 485.0 490.0 495.0 500.0 505.0 510.0 515.0 520.0 525.0 530.0 535.0 540.0 545.0 550.0 555.0 0.2 0.248 0.326 0.364 0.376 0.372 0.36 0.34 0.309 0.263 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.204 0.233 0.263 0.293 0.322 0.352 0.376 0.404 0.561 0.755 0.999 1.298 1.656 2.066 2.521 3.01 3.52 4.041 4.557 5.05 5.5 5.88 6.162 6.321 6.35 6.346 6.292 6.185 6.035 5.851 5.641 5.412 5.171 4.923 4.672 4.422 4.175 3.934 3.701 3.476 3.261 3.055 2.86 2.675 2.5 2.335 2.179 2.033 1.896 1.768 1.648 1.535 1.43 1.332 1.24 1.155 1.075 1.001 0.932 0.867 0.807 0.751 0.699 0.65 0.605 0.563 0.523 0.487 0.453 0.421 0.392 0.365 0.339 0.316 0.294 0.273 0.254 0.236 0.22 0.204 -19.523 2.766 -0.178 -83.216 -1.919 1.433 -0.755 0.326