AR.5002.44 Confidence: 60% PACIFIC flags: Severe 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 2026.02.04 (035) 06:20:00 FF202603502040620009039031101000005018000000001107501000080502560000000040000 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 4.25 4.3 4.35 4.4 4.45 4.5 4.55 4.6 4.65 4.7 4.75 4.8 4.85 4.9 4.95 245.000 245.000 245.000 250.000 251.250 252.500 253.750 255.000 260.000 260.000 261.250 262.500 263.750 265.000 267.500 270.000 275.000 275.000 280.000 280.000 283.333 286.667 290.000 290.000 295.000 300.000 305.000 307.500 310.842 314.917 320.000 326.514 335.165 347.209 365.129 394.614 78 75 81 66 87 0 72 84 69 60 69 0 0 66 0 60 69 69 57 75 0 72 69 75 0 66 0 60 60 60 69 60 0 60 0 51 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 -1.171875 1.171875 -0.390625 -1.171875 -1.171875 -0.390625 -0.390625 -0.390625 -1.171875 -1.171875 -1.171875 1.171875 -1.171875 -0.390625 -0.390625 2.734375 -1.171875 -1.171875 -0.390625 93.502 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 141.5 145.0 150.0 155.0 160.0 165.0 170.0 173.0 175.0 180.0 185.0 190.0 195.0 200.0 204.5 205.0 210.0 215.0 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 270.0 275.0 280.0 283.221 285.0 290.0 295.0 300.0 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 440.0 445.0 450.0 455.0 460.0 465.0 470.0 475.0 480.0 485.0 490.0 495.0 500.0 505.0 510.0 515.0 520.0 525.0 530.0 535.0 540.0 545.0 550.0 555.0 560.0 565.0 570.0 575.0 580.0 585.0 590.0 595.0 600.0 605.0 610.0 615.0 620.0 625.0 630.0 635.0 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 0.372 0.558 0.754 0.979 1.258 1.635 2.185 2.914 3.552 3.999 4.315 4.544 4.71 4.827 4.903 4.943 4.95 4.948 4.926 4.881 4.816 4.733 4.636 4.526 4.407 4.28 4.147 4.01 3.871 3.73 3.588 3.448 3.309 3.172 3.037 2.906 2.778 2.654 2.534 2.418 2.306 2.198 2.094 1.995 1.899 1.807 1.72 1.636 1.556 1.48 1.407 1.337 1.271 1.207 1.147 1.09 1.035 0.983 0.934 0.887 0.842 0.8 0.76 0.721 0.685 0.65 0.617 0.586 0.556 0.528 0.501 0.476 0.452 0.429 0.407 0.386 0.367 0.348 0.33 0.314 0.298 0.283 0.268 0.255 0.242 0.229 0.218 0.207 -18.791 2.435 -0.142 -93.503 23.365 -13.817 6.474 -1.24