PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/06-04:58:00
G01     61.1           30.0                4.9 +/-    0.74       8.5 +/-    0.74  0.030 / 0.030
G06     180.0          12.1                3.0 +/-    5.91       8.0 +/-    5.91  0.030 / 0.030
G07     140.4          25.4                6.8 +/-    1.83      13.1 +/-    1.83  0.100 / 0.180
G11     51.1           30.1                4.6 +/-    0.83       8.0 +/-    0.83  0.170 / 0.190
G13     264.5          37.4                7.8 +/-    1.70      11.9 +/-    1.70  0.050 / 0.050
G15     293.8          17.3                5.5 +/-    1.20      12.8 +/-    1.20  0.050 / 0.060
G17     247.3          75.4                8.5 +/-    0.44       8.7 +/-    0.44  0.030 / 0.030
G19     228.7          50.4                8.1 +/-    3.00      10.1 +/-    3.00  0.030 / 0.030
G28     13.9           60.8                5.9 +/-    2.20       6.7 +/-    2.20  0.100 / 0.070
G30     142.6          59.7                8.1 +/-    0.55       9.2 +/-    0.55  0.100 / 0.090