PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/03-07:43:00
G01     111.9          21.3                6.3 +/-    0.89      13.4 +/-    0.89  0.040 / 0.040
G07     95.8           61.9                5.2 +/-    0.36       5.8 +/-    0.36  0.030 / 0.030
G08     43.4           27.9                2.4 +/-    1.06       4.4 +/-    1.06  0.030 / 0.040
G09     175.0          19.2                5.5 +/-    1.93      12.3 +/-    1.93  0.030 / 0.040
G11     101.0          43.4                5.9 +/-    0.82       8.2 +/-    0.82  0.070 / 0.240
G13     313.9          25.3                1.8 +/-    1.00       3.5 +/-    1.00  0.090 / 0.230
G17     202.9          29.1                4.6 +/-    1.73       8.2 +/-    1.73  0.100 / 0.220
G18     87.2           22.8                3.6 +/-    1.01       7.4 +/-    1.01  0.090 / 0.220
G28     291.8          54.9                4.7 +/-    0.98       5.6 +/-    0.98  0.070 / 0.200
G30     352.1          72.3                4.1 +/-    0.60       4.3 +/-    0.60  0.090 / 0.190