PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/28-10:43:10
G01     253.0          36.1                8.3 +/-    1.78      13.0 +/-    1.78  0.040 / 0.070
G03     316.2          43.4                7.0 +/-    0.82       9.7 +/-    0.82  0.050 / 0.070
G11     239.3          13.2                3.5 +/-    1.63       9.1 +/-    1.63  0.080 / 0.090
G14     55.0           45.3                6.8 +/-    1.12       9.1 +/-    1.12  0.080 / 0.080
G22     304.2          68.5                7.8 +/-    0.53       8.3 +/-    0.53  0.030 / 0.030
G25     41.3           11.3                4.5 +/-    2.52      12.1 +/-    2.52  0.040 / 0.040
G26     135.1          37.5                8.1 +/-    1.05      12.3 +/-    1.05  0.140 / 0.410
G31     41.7           57.5                5.9 +/-    0.76       6.8 +/-    0.76  0.110 / 0.390
G32     76.9           22.3                4.2 +/-    1.38       8.7 +/-    1.38  0.140 / 0.220