PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/06-05:12:50
G01     54.1           27.3                2.7 +/-    2.58       5.1 +/-    2.58  0.030 / 0.040
G06     178.3          18.4                4.9 +/-    2.09      11.3 +/-    2.09  0.040 / 0.040
G07     143.5          19.0                6.9 +/-    2.59      15.5 +/-    2.59  0.130 / 0.230
G11     47.7           24.7                5.1 +/-    2.15      10.0 +/-    2.15  0.110 / 0.260
G13     256.2          34.7                8.3 +/-    1.02      13.3 +/-    1.02  0.050 / 0.050
G15     287.2          17.2                5.4 +/-    1.89      12.6 +/-    1.89  0.040 / 0.050
G17     277.7          79.3                7.6 +/-    0.92       7.7 +/-    0.92  0.020 / 0.020
G19     236.5          56.7                7.8 +/-    1.79       9.2 +/-    1.79  0.020 / 0.020
G28     26.9           59.7                4.2 +/-    1.10       4.8 +/-    1.10  0.140 / 0.080
G30     147.5          52.6                8.7 +/-    0.38      10.7 +/-    0.38  0.110 / 0.070