PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-06:43:00
G01     58.7           30.0                3.2 +/-    0.51       5.7 +/-    0.51  0.040 / 0.040
G06     180.1          15.5                5.1 +/-    4.79      12.7 +/-    4.79  0.040 / 0.040
G07     142.5          19.3                6.6 +/-    1.17      14.9 +/-    1.17  0.070 / 0.120
G11     46.9           21.3                2.6 +/-    2.00       5.5 +/-    2.00  0.090 / 0.140
G13     260.4          35.1                5.5 +/-    1.46       8.7 +/-    1.46  0.040 / 0.060
G15     294.6          15.5                1.8 +/-    2.15       4.5 +/-    2.15  0.040 / 0.060
G17     273.7          79.4                6.2 +/-    0.68       6.3 +/-    0.68  0.100 / 0.210
G19     233.1          49.1                9.2 +/-    1.06      11.7 +/-    1.06  0.080 / 0.250
G28     34.8           57.3                4.9 +/-    0.28       5.7 +/-    0.28  0.030 / 0.030
G30     145.0          52.7                9.1 +/-    0.76      11.1 +/-    0.76  0.030 / 0.030