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 2026.03.19 (078) 04:40:00 FF202607803190440009039031101000005018000000001107501000080502560000000040000 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 5.0 5.05 5.1 285.000 286.667 288.333 290.000 295.000 300.000 300.000 300.000 300.000 300.000 300.000 300.000 303.000 306.000 309.000 312.000 315.000 318.000 321.000 324.000 327.000 330.000 340.000 346.250 352.500 358.750 365.000 360.000 365.000 374.191 63 66 60 66 66 60 57 0 63 54 69 0 0 66 0 66 57 63 60 0 0 60 0 0 0 54 57 54 51 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 -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 93.502 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 145.0 147.23 150.0 155.0 160.0 165.0 170.0 175.0 180.0 184.459 185.0 190.0 195.0 200.0 205.0 210.0 215.0 220.0 221.689 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 270.0 275.0 280.0 285.0 290.0 295.0 300.0 304.627 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 440.0 445.0 450.0 455.0 460.0 465.0 470.0 475.0 480.0 485.0 490.0 495.0 500.0 505.0 510.0 515.0 520.0 525.0 530.0 535.0 540.0 545.0 550.0 555.0 560.0 565.0 570.0 575.0 580.0 585.0 590.0 0.2 0.234 0.307 0.343 0.354 0.352 0.345 0.334 0.317 0.295 0.264 0.223 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.202 0.223 0.244 0.264 0.285 0.306 0.326 0.347 0.354 0.455 0.62 0.812 1.038 1.307 1.627 2.002 2.427 2.886 3.351 3.793 4.187 4.517 4.776 4.959 5.068 5.1 5.1 5.076 5.016 4.925 4.808 4.671 4.518 4.353 4.18 4.002 3.822 3.641 3.462 3.287 3.115 2.948 2.787 2.632 2.483 2.341 2.205 2.076 1.953 1.837 1.727 1.623 1.525 1.432 1.345 1.262 1.185 1.112 1.043 0.978 0.918 0.861 0.807 0.757 0.71 0.666 0.624 0.585 0.549 0.514 0.482 0.452 0.424 0.397 0.372 0.349 0.327 0.307 0.287 0.269 0.252 0.237 0.222 0.208 -18.791 2.435 -0.142 -85.944 4.276 -2.686 1.609 -0.193