PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-03:27:50
G01     127.0          11.4                8.6 +/-    2.61      23.3 +/-    2.61  0.040 / 0.030
G07     58.5           68.5                6.8 +/-    0.56       7.3 +/-    0.56  0.040 / 0.030
G08     49.1           37.1                5.2 +/-    1.32       7.9 +/-    1.32  0.030 / 0.030
G09     176.3          34.1                8.5 +/-    0.50      13.7 +/-    0.50  0.040 / 0.030
G11     116.2          35.7                9.4 +/-    0.95      14.7 +/-    0.95  0.200 / 0.260
G13     321.0          12.0               -6.5 +/-    8.29     -17.4 +/-    8.29  0.140 / 0.190
G17     198.7          17.2                5.6 +/-    1.44      13.2 +/-    1.44  0.090 / 0.070
G28     273.7          51.3                6.2 +/-    2.93       7.6 +/-    2.93  0.090 / 0.110
G30     330.8          59.4                5.2 +/-    0.68       5.9 +/-    0.68  0.060 / 0.060