PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-12:42:40
G10     100.9          43.6                6.8 +/-    0.49       9.3 +/-    0.49  0.040 / 0.040
G11     289.3          26.7                5.8 +/-    3.24      10.9 +/-    3.24  0.040 / 0.040
G14     336.5          69.1                5.1 +/-    0.41       5.4 +/-    0.41  0.230 / 0.290
G18     286.1          48.1               16.1 +/-    4.52      20.9 +/-    4.52  0.110 / 0.170
G22     308.9          25.8                4.3 +/-    0.71       8.3 +/-    0.71  0.080 / 0.180
G25     87.6           15.2                5.2 +/-    2.30      12.9 +/-    2.30  0.080 / 0.170
G31     167.4          61.3                7.9 +/-    0.51       8.9 +/-    0.51  0.090 / 0.220
G32     32.7           54.7                4.5 +/-    1.14       5.3 +/-    1.14  0.120 / 0.160