PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-20:13:10
G05     49.8           14.7                8.0 +/-    2.67      20.1 +/-    2.67  0.060 / 0.090
G10     238.5          16.9               12.9 +/-    2.26      30.6 +/-    2.26  0.040 / 0.080
G13     69.8           34.7               10.6 +/-    1.24      16.9 +/-    1.24  0.070 / 0.120
G15     119.2          54.7               10.7 +/-    0.54      12.8 +/-    0.54  0.070 / 0.120
G16     310.5          13.8                7.9 +/-    2.28      20.3 +/-    2.28  0.030 / 0.040
G20     252.3          40.4               11.9 +/-    1.68      17.2 +/-    1.68  0.030 / 0.050
G21     316.7          48.7                9.2 +/-    0.58      11.8 +/-    0.58  0.130 / 0.410
G26     283.6          19.7                8.1 +/-    1.64      17.9 +/-    1.64  0.140 / 0.380
G29     156.2          68.3                9.8 +/-    0.93      10.5 +/-    0.93  0.110 / 0.210