PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/05-23:57:50
G01     90.3           31.8                8.0 +/-    1.11      13.6 +/-    1.11  0.030 / 0.040
G07     125.4          46.0                9.9 +/-    0.62      13.2 +/-    0.62  0.030 / 0.040
G08     42.6           10.3                6.0 +/-    3.39      16.5 +/-    3.39  0.080 / 0.100
G11     72.1           41.7                7.1 +/-    0.81      10.0 +/-    0.81  0.100 / 0.100
G13     295.4          35.5                6.9 +/-    2.58      10.8 +/-    2.58  0.040 / 0.040
G15     315.0          10.4               -8.1 +/-   12.87     -22.3 +/-   12.87  0.060 / 0.040
G17     215.0          51.0                9.1 +/-    1.15      11.4 +/-    1.15  0.120 / 0.240
G19     214.6          27.1                9.7 +/-    2.01      18.1 +/-    2.01  0.100 / 0.320
G28     350.2          61.7                6.5 +/-    0.53       7.3 +/-    0.53  0.040 / 0.050
G30     109.2          72.5                8.8 +/-    0.85       9.2 +/-    0.85  0.060 / 0.070