AR.5002.44 Confidence: 20% PACIFIC flags: Moderate F-spread, F2x cusp not found, 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 2026.03.18 (077) 07:20:00 FF202607703180720009039031101000005018000000001107501000080502560000000040000 1.8 1.85 1.9 1.95 2.0 2.05 2.1 2.15 2.2 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 3.1 235.000 235.000 237.500 240.000 242.500 245.000 240.000 242.500 245.000 247.500 250.000 250.000 250.000 250.000 265.000 266.000 267.000 268.000 269.000 270.000 272.321 275.359 279.510 285.520 295.000 312.175 352.811 63 60 0 0 0 63 66 0 0 0 0 0 0 0 57 0 0 54 0 69 0 69 69 66 0 60 0 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 0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 -0.390625 93.502 95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 139.167 140.0 145.0 150.0 155.0 160.0 165.0 168.333 170.0 175.0 180.0 185.0 190.0 195.0 197.5 200.0 205.0 210.0 215.0 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 258.831 260.0 265.0 270.0 275.0 280.0 285.0 290.0 295.0 300.0 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0 360.0 365.0 370.0 375.0 380.0 385.0 390.0 395.0 400.0 405.0 410.0 415.0 420.0 425.0 430.0 435.0 440.0 445.0 450.0 455.0 460.0 465.0 470.0 475.0 480.0 485.0 490.0 495.0 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 0.42 0.597 0.828 1.125 1.496 1.907 2.279 2.571 2.785 2.936 3.035 3.088 3.1 3.099 3.08 3.036 2.973 2.895 2.803 2.703 2.595 2.484 2.37 2.255 2.141 2.029 1.919 1.812 1.709 1.61 1.515 1.425 1.339 1.257 1.179 1.106 1.037 0.971 0.91 0.852 0.798 0.747 0.699 0.654 0.612 0.572 0.535 0.5 0.468 0.437 0.409 0.382 0.357 0.334 0.312 0.292 0.273 0.255 0.238 0.223 0.208 -18.791 2.435 -0.142 -69.315 12.524 -6.122 2.057 -0.475