PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/13-03:43:10
G01     116.5          19.5                7.0 +/-    0.86      15.5 +/-    0.86  0.030 / 0.040
G07     90.7           63.0                6.7 +/-    0.81       7.4 +/-    0.81  0.030 / 0.030
G08     43.2           26.5                3.0 +/-    1.83       5.7 +/-    1.83  0.040 / 0.060
G09     175.0          21.3                5.0 +/-    1.37      10.7 +/-    1.37  0.040 / 0.060
G11     100.5          41.1                6.9 +/-    0.60       9.8 +/-    0.60  0.030 / 0.030
G13     316.0          22.1                3.3 +/-    2.07       6.9 +/-    2.07  0.030 / 0.020
G17     201.2          30.0                5.5 +/-    1.72       9.6 +/-    1.72  0.110 / 0.170
G28     294.5          57.2                5.4 +/-    1.11       6.3 +/-    1.11  0.110 / 0.140
G30     348.3          70.1                5.8 +/-    0.94       6.2 +/-    0.94  0.150 / 0.320