PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/29-02:58:00
G08     266.1          16.0                8.2 +/-    2.39      19.9 +/-    2.39  0.120 / 0.310
G10     72.0           54.6                6.7 +/-    0.75       8.0 +/-    0.75  0.110 / 0.210
G11     308.2          19.7                4.5 +/-    1.73      10.0 +/-    1.73  0.170 / 0.400
G14     277.4          68.4                6.5 +/-    0.63       6.9 +/-    0.63  0.300 / 0.510
G18     309.1          36.9                5.0 +/-    0.92       7.6 +/-    0.92  0.040 / 0.050
G20     100.5          33.3                8.2 +/-    1.56      13.4 +/-    1.56  0.040 / 0.040
G21     156.0          11.2                6.7 +/-    4.79      18.3 +/-    4.79  0.070 / 0.100
G27     228.4          12.9                7.8 +/-    4.41      20.5 +/-    4.41  0.080 / 0.100
G31     175.9          36.9                8.9 +/-    1.01      13.6 +/-    1.01  0.230 / 0.510
G32     351.7          71.9                5.8 +/-    0.54       6.1 +/-    0.54  0.170 / 0.360