PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-17:58:00
G01     255.1          36.9                9.5 +/-    0.94      14.6 +/-    0.94  0.030 / 0.040
G03     316.4          43.4                8.0 +/-    1.97      11.0 +/-    1.97  0.030 / 0.040
G11     242.3          14.5               10.3 +/-    1.23      26.0 +/-    1.23  0.040 / 0.050
G14     55.9           43.8                8.9 +/-    0.41      12.3 +/-    0.41  0.030 / 0.040
G22     307.7          64.4                8.6 +/-    1.01       9.5 +/-    1.01  0.050 / 0.100
G23     284.7          18.3                9.2 +/-    1.25      21.0 +/-    1.25  0.050 / 0.100
G25     42.6           12.3                7.6 +/-    1.03      20.1 +/-    1.03  0.130 / 0.180
G26     138.8          35.4               13.1 +/-    1.14      20.7 +/-    1.14  0.110 / 0.230
G31     41.9           61.4                8.8 +/-    0.45       9.9 +/-    0.45  0.070 / 0.200
G32     75.0           24.4               10.0 +/-    0.60      19.9 +/-    0.60  0.070 / 0.150