PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/14-03:28:10
G01     37.6           9.4                 1.6 +/-    4.05       4.5 +/-    4.05  0.040 / 0.070
G02     199.1          18.5                5.1 +/-    1.79      11.7 +/-    1.79  0.040 / 0.070
G06     175.0          47.4                6.2 +/-    0.76       8.1 +/-    0.76  0.040 / 0.050
G13     231.1          15.9                4.9 +/-    2.86      11.8 +/-    2.86  0.040 / 0.050
G17     14.2           64.1                3.9 +/-    0.62       4.3 +/-    0.62  0.070 / 0.560
G19     309.9          71.5                3.4 +/-    0.67       3.5 +/-    0.67  0.100 / 0.250
G24     313.0          25.8                1.6 +/-    1.27       3.1 +/-    1.27  0.250 / 0.270
G28     83.8           41.5                3.5 +/-    0.59       4.9 +/-    0.59  0.110 / 0.240
G30     155.2          14.7                5.4 +/-    3.27      13.6 +/-    3.27  0.030 / 0.030