PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-03:27:50
G01     115.1          18.7                7.5 +/-    1.72      17.1 +/-    1.72  0.030 / 0.030
G07     84.7           65.7                5.1 +/-    0.29       5.6 +/-    0.29  0.040 / 0.030
G08     44.0           29.1                2.8 +/-    0.58       5.0 +/-    0.58  0.060 / 0.100
G09     173.7          20.9                5.6 +/-    1.05      12.1 +/-    1.05  0.060 / 0.110
G11     109.2          42.3                7.3 +/-    0.57      10.3 +/-    0.57  0.050 / 0.080
G13     316.2          22.2                0.5 +/-    1.89       1.0 +/-    1.89  0.060 / 0.080
G17     201.0          26.7                5.8 +/-    1.04      10.9 +/-    1.04  0.040 / 0.090
G28     283.6          52.1                5.5 +/-    1.06       6.7 +/-    1.06  0.040 / 0.080
G30     340.8          67.4                2.7 +/-    0.32       2.9 +/-    0.32  0.070 / 0.110