AR.5002.44 Confidence: 60% PACIFIC flags: Moderate 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 2026.02.18 (049) 08:00:00 FF202604902180800009039031101000005018000000001107501000080502560000000040000 2.25 2.3 2.35 2.4 2.45 2.5 2.55 2.6 2.65 2.7 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 3.75 255.000 250.000 250.000 250.000 250.000 255.000 251.000 247.000 243.000 239.000 235.000 245.000 250.000 250.000 251.667 253.333 255.000 260.000 260.000 262.403 265.224 268.584 272.653 277.683 284.058 292.403 303.795 320.280 346.252 393.213 503.851 57 60 0 48 0 57 0 60 63 0 63 72 60 75 0 0 66 60 69 72 57 63 63 63 60 63 60 57 54 57 48 0.390625 0.390625 0.390625 2.734375 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 0.390625 0.390625 93.502 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 139.167 140.0 145.0 150.0 155.0 160.0 165.0 168.333 170.0 175.0 180.0 185.0 190.0 195.0 197.5 200.0 205.0 210.0 215.0 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 270.0 275.0 280.0 285.0 287.962 290.0 295.0 300.0 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 440.0 445.0 450.0 455.0 460.0 465.0 470.0 475.0 480.0 485.0 490.0 495.0 500.0 505.0 510.0 515.0 520.0 525.0 530.0 535.0 540.0 545.0 550.0 555.0 560.0 565.0 570.0 575.0 580.0 585.0 590.0 595.0 600.0 605.0 610.0 615.0 620.0 625.0 630.0 635.0 640.0 645.0 650.0 655.0 660.0 665.0 670.0 675.0 680.0 685.0 690.0 695.0 700.0 705.0 710.0 715.0 720.0 725.0 730.0 735.0 740.0 745.0 750.0 755.0 760.0 765.0 770.0 775.0 780.0 785.0 790.0 795.0 800.0 805.0 810.0 0.2 0.234 0.307 0.343 0.354 0.35 0.34 0.321 0.292 0.25 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.209 0.235 0.262 0.288 0.314 0.341 0.354 0.494 0.61 0.734 0.893 1.166 2.533 2.905 3.117 3.268 3.384 3.476 3.551 3.61 3.658 3.694 3.721 3.739 3.749 3.75 3.749 3.742 3.728 3.707 3.68 3.647 3.61 3.567 3.521 3.471 3.417 3.361 3.302 3.242 3.179 3.115 3.051 2.985 2.919 2.852 2.785 2.718 2.652 2.586 2.52 2.455 2.391 2.327 2.264 2.203 2.142 2.082 2.024 1.966 1.91 1.855 1.801 1.748 1.697 1.647 1.598 1.55 1.504 1.458 1.414 1.371 1.329 1.289 1.249 1.211 1.173 1.137 1.102 1.068 1.034 1.002 0.971 0.94 0.911 0.882 0.855 0.828 0.802 0.776 0.752 0.728 0.705 0.683 0.661 0.64 0.62 0.6 0.581 0.562 0.545 0.527 0.51 0.494 0.478 0.463 0.448 0.434 0.42 0.407 0.394 0.381 0.369 0.357 0.346 0.335 0.324 0.314 0.304 0.294 0.285 0.275 0.267 0.258 0.25 0.242 0.234 0.227 0.219 0.212 0.205 -18.791 2.435 -0.142 -128.154 58.238 -31.802 11.256 0.0