PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/26-04:58:00
G02     13.7           69.3                2.5 +/-    0.49       2.6 +/-    0.49  0.460 / 0.410
G05     157.9          44.9                2.1 +/-    0.62       2.8 +/-    0.62  0.410 / 0.370
G06     43.1           35.8                3.1 +/-    1.69       4.8 +/-    1.69  0.020 / 0.030
G12     283.0          77.8                3.3 +/-    0.59       3.4 +/-    0.59  0.020 / 0.020
G19     84.3           21.1                4.1 +/-    2.28       8.8 +/-    2.28  0.060 / 0.090
G24     218.2          14.3                3.2 +/-   25.04       8.2 +/-   25.04  0.060 / 0.090
G25     312.8          41.5                3.0 +/-    0.66       4.2 +/-    0.66  0.120 / 0.200
G29     296.0          19.4                2.6 +/-    1.53       5.8 +/-    1.53  0.110 / 0.130