PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-03:43:00
G01     115.3          20.4                7.2 +/-    1.65      15.8 +/-    1.65  0.030 / 0.030
G07     93.6           62.2                5.6 +/-    0.42       6.2 +/-    0.42  0.030 / 0.040
G08     42.8           25.3                4.2 +/-    2.21       8.2 +/-    2.21  0.100 / 0.190
G09     174.9          20.0                5.7 +/-    1.40      12.4 +/-    1.40  0.180 / 0.180
G11     98.6           41.5                5.2 +/-    0.91       7.4 +/-    0.91  0.120 / 0.200
G13     315.3          23.1                3.3 +/-    2.04       6.7 +/-    2.04  0.120 / 0.230
G17     201.6          31.5                5.9 +/-    1.46      10.0 +/-    1.46  0.050 / 0.060
G18     86.2           21.8                4.2 +/-    1.79       8.9 +/-    1.79  0.040 / 0.050
G28     297.0          57.7                4.4 +/-    0.93       5.0 +/-    0.93  0.040 / 0.030
G30     351.0          71.3                5.1 +/-    0.49       5.4 +/-    0.49  0.040 / 0.030