AR.5002.44 Confidence: 80% PACIFIC flags: Moderate F-spread, 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 2026.10.28 (301) 07:10:00 FF202630110280710009039031101000005014000000001107501000080502560000000040000 3.75 3.8 3.85 3.9 3.95 4.0 4.05 4.1 4.15 4.2 4.25 355.000 355.000 360.000 365.000 370.000 368.333 366.667 365.000 372.241 384.523 409.917 0 0 0 0 0 0 0 60 0 0 69 -0.390625 0.390625 -0.390625 0.390625 -0.390625 1.171875 0.390625 -0.390625 1.171875 -0.390625 -0.390625 93.502 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 142.537 145.0 150.0 155.0 160.0 165.0 170.0 175.0 175.073 180.0 185.0 190.0 195.0 200.0 205.0 207.61 210.0 215.0 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 270.0 275.0 280.0 285.0 290.0 295.0 300.0 305.0 310.0 315.0 317.674 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 440.0 445.0 450.0 455.0 460.0 465.0 470.0 475.0 480.0 485.0 490.0 495.0 500.0 505.0 510.0 515.0 520.0 525.0 530.0 535.0 540.0 545.0 550.0 555.0 560.0 565.0 570.0 575.0 580.0 585.0 590.0 595.0 600.0 605.0 610.0 615.0 620.0 625.0 630.0 635.0 640.0 0.2 0.234 0.307 0.343 0.354 0.351 0.342 0.327 0.305 0.274 0.23 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.223 0.247 0.271 0.294 0.318 0.342 0.354 0.401 0.498 0.604 0.726 0.868 1.034 1.22 1.425 1.643 1.87 2.103 2.338 2.574 2.81 3.043 3.273 3.494 3.704 3.894 4.056 4.175 4.241 4.25 4.247 4.224 4.18 4.117 4.038 3.946 3.844 3.733 3.616 3.494 3.369 3.243 3.115 2.989 2.863 2.739 2.618 2.5 2.385 2.273 2.165 2.061 1.961 1.865 1.772 1.684 1.599 1.518 1.441 1.367 1.297 1.23 1.166 1.106 1.048 0.993 0.942 0.892 0.845 0.801 0.759 0.719 0.681 0.645 0.611 0.578 0.548 0.519 0.491 0.465 0.44 0.417 0.395 0.374 0.354 0.335 0.317 0.3 0.284 0.269 0.255 0.241 0.229 0.216 0.205 -18.791 2.435 -0.142 -105.906 -7.525 4.819 -2.556 1.104