PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/19-10:57:30
G08     289.0          23.6                3.6 +/-    0.63       7.2 +/-    0.63  0.050 / 0.100
G10     16.8           62.8                4.5 +/-    0.98       5.0 +/-    0.98  0.050 / 0.100
G14     232.6          50.3                5.3 +/-    2.59       6.7 +/-    2.59  0.030 / 0.020
G18     317.6          15.1                2.2 +/-    1.96       5.5 +/-    1.96  0.030 / 0.030
G20     70.1           50.2                4.4 +/-    1.04       5.6 +/-    1.04  0.030 / 0.030
G21     147.6          34.1                5.3 +/-    0.97       8.6 +/-    0.97  0.030 / 0.020
G24     51.9           22.7                4.0 +/-    2.94       8.3 +/-    2.94  0.150 / 0.120
G27     253.3          30.3                5.6 +/-    1.73       9.8 +/-    1.73  0.100 / 0.130
G32     248.0          65.8                4.6 +/-    0.61       4.9 +/-    0.61  0.090 / 0.120