PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-14:43:00
G01     68.5           32.4                8.3 +/-    1.10      13.8 +/-    1.10  0.060 / 0.110
G07     138.2          26.3                9.4 +/-    0.63      17.8 +/-    0.63  0.060 / 0.120
G11     51.5           26.8                6.9 +/-    1.37      13.0 +/-    1.37  0.070 / 0.160
G13     274.6          36.6               11.1 +/-    1.58      17.1 +/-    1.58  0.060 / 0.120
G15     303.6          14.5                5.3 +/-    2.64      13.3 +/-    2.64  0.030 / 0.040
G17     239.3          73.4                9.9 +/-    0.66      10.3 +/-    0.66  0.030 / 0.040
G19     225.8          45.8               12.0 +/-    1.72      16.0 +/-    1.72  0.030 / 0.040
G28     23.0           58.7                9.4 +/-    0.23      10.8 +/-    0.23  0.030 / 0.030
G30     136.4          62.4               10.0 +/-    0.76      11.2 +/-    0.76  0.050 / 0.070