PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-14:12:50
G01     94.7           30.6                8.6 +/-    1.19      14.8 +/-    1.19  0.030 / 0.030
G07     121.7          48.9                9.2 +/-    0.49      11.7 +/-    0.49  0.020 / 0.020
G08     42.0           10.0                7.1 +/-    2.01      19.7 +/-    2.01  0.040 / 0.040
G11     72.6           40.8                7.7 +/-    0.85      11.0 +/-    0.85  0.030 / 0.040
G13     298.8          34.8                7.6 +/-    2.33      12.0 +/-    2.33  0.080 / 0.110
G17     211.6          49.9               10.5 +/-    0.68      13.2 +/-    0.68  0.110 / 0.120
G18     67.5           24.3                7.9 +/-    1.09      15.7 +/-    1.09  0.070 / 0.120
G19     213.2          20.7                8.7 +/-    2.52      18.9 +/-    2.52  0.070 / 0.110
G28     340.9          61.9                7.5 +/-    0.68       8.3 +/-    0.68  0.060 / 0.140
G30     83.7           79.3                9.1 +/-    0.45       9.2 +/-    0.45  0.080 / 0.140