PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-19:43:10
G01     37.9           10.3               11.1 +/-    5.92      30.7 +/-    5.92  0.140 / 0.150
G02     199.8          15.5               19.1 +/-    2.67      47.0 +/-    2.67  0.110 / 0.160
G06     171.5          49.0               17.2 +/-    1.03      22.0 +/-    1.03  0.150 / 0.210
G13     231.3          16.6               17.7 +/-    2.21      42.3 +/-    2.21  0.160 / 0.230
G17     11.0           65.6               14.7 +/-    0.53      15.9 +/-    0.53  0.110 / 0.230
G19     298.0          70.3               14.4 +/-    0.98      15.2 +/-    0.98  0.100 / 0.310
G24     312.9          26.1               13.6 +/-    0.76      25.9 +/-    0.76  0.040 / 0.050
G28     81.8           42.6               14.6 +/-    0.83      20.4 +/-    0.83  0.050 / 0.050
G30     156.3          19.5               17.8 +/-    1.23      39.6 +/-    1.23  0.030 / 0.030