PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/31-03:28:10
G02     6.4            73.6                4.3 +/-    0.51       4.5 +/-    0.51  0.030 / 0.030
G05     160.1          40.0                7.8 +/-    0.68      11.4 +/-    0.68  0.030 / 0.020
G06     43.1           35.9                4.0 +/-    1.19       6.2 +/-    1.19  0.060 / 0.060
G12     299.8          75.3                4.4 +/-    0.24       4.5 +/-    0.24  0.040 / 0.060
G17     89.2           11.3                4.3 +/-    1.57      11.7 +/-    1.57  0.260 / 0.280
G19     79.9           24.4                6.3 +/-    1.19      12.6 +/-    1.19  0.120 / 0.300
G24     224.6          19.0                8.5 +/-    3.52      19.1 +/-    3.52  0.080 / 0.130
G25     316.2          33.0                4.8 +/-    1.43       7.9 +/-    1.43  0.070 / 0.090
G29     290.3          12.1                5.5 +/-    3.66      14.6 +/-    3.66  0.200 / 0.300