AR.5002.44 Confidence: 40% PACIFIC flags: Moderate F-spread, Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match, 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 2026.02.01 (032) 07:20:00 FF202603202010720009039031101000005018000000001107501000080502560000000040000 2.75 2.8 2.85 2.9 2.95 3.0 3.05 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 4.2 245.000 247.500 250.000 252.500 255.000 260.000 255.000 260.000 260.000 260.000 265.000 270.000 272.500 275.000 275.000 280.000 285.000 290.000 297.500 305.000 306.202 307.662 309.470 311.770 314.793 318.944 325.000 334.660 352.509 396.609 72 0 0 69 72 72 69 78 72 66 0 72 72 78 75 69 66 0 0 60 0 66 57 0 0 0 60 0 0 54 -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 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 1.953125 -0.390625 -0.390625 -0.390625 -0.390625 93.502 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 141.5 145.0 150.0 155.0 160.0 165.0 170.0 173.0 175.0 180.0 185.0 190.0 195.0 200.0 204.5 205.0 210.0 215.0 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 270.0 275.0 280.0 282.956 285.0 290.0 295.0 300.0 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 440.0 445.0 450.0 455.0 460.0 465.0 470.0 475.0 480.0 485.0 490.0 495.0 500.0 505.0 510.0 515.0 520.0 525.0 530.0 535.0 540.0 545.0 550.0 555.0 560.0 565.0 570.0 575.0 580.0 585.0 590.0 595.0 600.0 605.0 610.0 615.0 620.0 0.2 0.234 0.307 0.343 0.354 0.351 0.342 0.326 0.302 0.268 0.219 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.21 0.234 0.259 0.283 0.308 0.332 0.354 0.37 0.538 0.722 0.937 1.208 1.569 2.054 2.6 3.063 3.409 3.665 3.856 3.997 4.097 4.162 4.195 4.2 4.198 4.179 4.14 4.084 4.014 3.932 3.839 3.739 3.631 3.519 3.404 3.286 3.167 3.048 2.93 2.812 2.697 2.583 2.473 2.365 2.26 2.158 2.06 1.965 1.874 1.786 1.701 1.621 1.543 1.469 1.398 1.33 1.265 1.203 1.144 1.087 1.034 0.982 0.934 0.887 0.843 0.801 0.761 0.723 0.687 0.652 0.619 0.588 0.559 0.531 0.504 0.479 0.454 0.432 0.41 0.389 0.369 0.351 0.333 0.316 0.3 0.285 0.271 0.257 0.244 0.232 0.22 0.209 -18.791 2.435 -0.142 -92.556 21.677 -11.712 4.992 -0.857