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 2026.01.28 (028) 02:00:00 FF202602801280200009039031101000005018000000001107501000080502560000000040000 5.35 5.4 5.45 5.5 5.55 5.6 5.65 5.7 5.75 5.8 5.85 5.9 5.95 6.0 6.05 6.1 6.15 6.2 6.25 6.3 6.35 6.4 6.45 6.5 6.55 6.6 6.65 275.000 275.000 275.000 275.000 275.000 275.000 285.000 285.000 285.000 285.000 284.500 284.000 283.500 283.000 282.500 282.000 281.500 281.000 280.500 280.000 280.000 280.000 280.000 282.770 287.455 297.087 328.272 69 0 69 0 66 66 63 63 60 0 66 0 0 0 66 69 63 66 60 63 66 66 0 0 0 54 63 -0.390625 -1.171875 -0.390625 -0.390625 -1.171875 1.953125 -0.390625 -0.390625 -1.171875 1.953125 -0.390625 1.171875 -0.390625 -0.390625 -0.390625 -1.171875 -1.171875 -0.390625 -0.390625 -1.171875 -0.390625 -1.171875 -1.171875 1.953125 1.953125 -0.390625 1.171875 93.502 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 145.0 147.112 150.0 155.0 160.0 165.0 170.0 175.0 180.0 184.224 185.0 190.0 195.0 200.0 205.0 210.0 215.0 220.0 221.336 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 267.417 270.0 275.0 280.0 285.0 290.0 295.0 300.0 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 0.2 0.234 0.307 0.343 0.354 0.352 0.345 0.334 0.317 0.294 0.264 0.222 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.203 0.224 0.245 0.265 0.286 0.307 0.328 0.348 0.354 0.561 0.975 1.608 2.443 3.402 4.403 5.356 6.14 6.593 6.65 6.621 6.422 6.086 5.665 5.201 4.724 4.257 3.812 3.397 3.016 2.67 2.358 2.08 1.832 1.612 1.417 1.245 1.093 0.96 0.843 0.739 0.649 0.569 0.499 0.438 0.384 0.337 0.295 0.259 0.227 -18.791 2.435 -0.142 -46.119 -0.321 0.662 -0.534 0.231