PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-18:12:50
G01     72.7           33.2               11.1 +/-    0.70      18.2 +/-    0.70  0.080 / 0.290
G07     136.5          32.8               13.4 +/-    1.60      22.2 +/-    1.60  0.080 / 0.260
G11     55.1           32.2               10.9 +/-    1.80      18.2 +/-    1.80  0.050 / 0.090
G13     276.5          37.7               13.5 +/-    2.01      20.4 +/-    2.01  0.070 / 0.110
G15     304.9          14.4               10.0 +/-    3.09      25.3 +/-    3.09  0.020 / 0.030
G17     230.2          65.3               15.0 +/-    1.03      16.3 +/-    1.03  0.030 / 0.030
G18     50.4           19.1               11.6 +/-    2.21      26.0 +/-    2.21  0.140 / 0.150
G19     223.0          38.6               15.8 +/-    2.02      23.5 +/-    2.02  0.100 / 0.190
G28     16.9           59.6               12.4 +/-    0.60      14.1 +/-    0.60  0.050 / 0.070
G30     133.8          63.1               14.2 +/-    0.37      15.7 +/-    0.37  0.050 / 0.080