PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-13:12:40
G01     62.2           31.0                9.7 +/-    0.75      16.7 +/-    0.75  0.100 / 0.090
G06     181.1          12.8                7.5 +/-    3.14      19.7 +/-    3.14  0.070 / 0.090
G07     141.1          21.8                9.6 +/-    0.96      20.3 +/-    0.96  0.040 / 0.030
G11     48.6           23.1                8.8 +/-    1.98      18.0 +/-    1.98  0.040 / 0.030
G13     267.8          35.4               10.7 +/-    1.37      16.9 +/-    1.37  0.080 / 0.100
G15     297.6          15.8                5.2 +/-    2.15      12.8 +/-    2.15  0.080 / 0.120
G17     257.8          77.5               10.2 +/-    0.34      10.4 +/-    0.34  0.070 / 0.200
G19     231.1          50.9               12.0 +/-    1.99      15.0 +/-    1.99  0.090 / 0.210
G28     32.9           57.1                8.6 +/-    1.09      10.0 +/-    1.09  0.020 / 0.020
G30     141.7          56.2               10.9 +/-    0.72      12.9 +/-    0.72  0.030 / 0.020