PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-04:58:10
G01     86.2           32.5                7.3 +/-    0.78      12.2 +/-    0.78  0.030 / 0.040
G07     128.6          40.4                9.2 +/-    1.16      13.3 +/-    1.16  0.020 / 0.030
G11     63.2           37.3                5.4 +/-    0.37       8.2 +/-    0.37  0.030 / 0.050
G13     290.3          37.4                5.5 +/-    2.01       8.4 +/-    2.01  0.030 / 0.040
G17     216.2          59.8                8.9 +/-    0.80      10.2 +/-    0.80  0.060 / 0.120
G19     216.0          27.9                5.0 +/-    1.22       9.2 +/-    1.22  0.070 / 0.100
G28     351.0          61.7                4.3 +/-    0.79       4.8 +/-    0.79  0.040 / 0.060
G30     112.4          75.2                8.4 +/-    0.88       8.7 +/-    0.88  0.040 / 0.060