PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-09:12:50
G01     52.5           26.9                4.9 +/-    2.33       9.1 +/-    2.33  0.030 / 0.050
G06     180.5          19.9                7.8 +/-    2.12      17.3 +/-    2.12  0.040 / 0.050
G07     145.2          14.0                7.7 +/-    2.21      19.5 +/-    2.21  0.210 / 0.300
G11     45.3           16.7                3.9 +/-    2.42       9.4 +/-    2.42  0.110 / 0.210
G13     255.4          31.7                6.6 +/-    1.80      11.2 +/-    1.80  0.100 / 0.220
G15     286.4          16.3                7.7 +/-    1.36      18.5 +/-    1.36  0.130 / 0.170
G17     308.9          79.4                9.4 +/-    0.58       9.6 +/-    0.58  0.020 / 0.020
G19     243.5          59.3                9.6 +/-    1.50      10.9 +/-    1.50  0.020 / 0.020
G28     49.1           53.6                6.7 +/-    0.98       8.1 +/-    0.98  0.100 / 0.230
G30     148.0          44.1                9.3 +/-    0.67      12.6 +/-    0.67  0.160 / 0.270