PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-10:58:00
G08     269.9          19.8                4.6 +/-    2.73      10.1 +/-    2.73  0.170 / 0.230
G10     55.8           58.9                5.5 +/-    0.62       6.3 +/-    0.62  0.130 / 0.340
G14     259.7          65.0                5.6 +/-    0.59       6.1 +/-    0.59  0.030 / 0.020
G20     92.0           38.7                6.3 +/-    1.71       9.3 +/-    1.71  0.030 / 0.020
G21     153.6          16.4                5.3 +/-    1.02      12.7 +/-    1.02  0.050 / 0.050
G24     40.5           11.1                2.9 +/-    1.56       8.0 +/-    1.56  0.050 / 0.050
G27     236.3          18.9                3.9 +/-    4.16       8.9 +/-    4.16  0.030 / 0.020
G31     180.1          25.3                4.5 +/-    2.53       8.6 +/-    2.53  0.030 / 0.030
G32     304.3          74.6                5.4 +/-    0.43       5.6 +/-    0.43  0.240 / 0.380