PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-17:12:50
G01     50.4           25.7                9.3 +/-    2.19      17.8 +/-    2.19  0.100 / 0.390
G06     176.7          26.0               12.1 +/-    1.32      23.1 +/-    1.32  0.120 / 0.380
G07     146.2          13.0               11.3 +/-    2.79      29.6 +/-    2.79  0.050 / 0.060
G11     44.7           15.3                8.0 +/-    1.71      19.8 +/-    1.71  0.040 / 0.050
G13     250.8          30.6               11.7 +/-    2.66      20.3 +/-    2.66  0.090 / 0.210
G15     286.0          15.2                7.1 +/-    4.11      17.6 +/-    4.11  0.090 / 0.170
G17     307.5          78.4               11.6 +/-    0.52      11.8 +/-    0.52  0.020 / 0.020
G19     244.6          57.0               12.6 +/-    1.37      14.7 +/-    1.37  0.030 / 0.020
G28     51.9           53.1               10.7 +/-    1.15      13.0 +/-    1.15  0.050 / 0.060
G30     149.7          42.2               11.5 +/-    1.06      16.2 +/-    1.06  0.050 / 0.060