PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/24-00:57:40
G02     199.4          20.2               12.6 +/-    1.45      27.5 +/-    1.45  0.050 / 0.030
G06     172.6          51.0               10.4 +/-    1.30      13.0 +/-    1.30  0.040 / 0.040
G13     229.3          14.5               10.8 +/-    2.32      27.2 +/-    2.32  0.060 / 0.150
G17     13.6           63.9                6.4 +/-    1.05       7.0 +/-    1.05  0.070 / 0.140
G19     314.6          71.2                6.8 +/-    0.57       7.1 +/-    0.57  0.040 / 0.090
G24     311.7          27.7                8.0 +/-    1.71      14.8 +/-    1.71  0.040 / 0.090
G28     86.0           40.5                8.2 +/-    0.85      11.8 +/-    0.85  0.040 / 0.050
G30     156.0          14.3               13.2 +/-    3.58      33.5 +/-    3.58  0.040 / 0.050