PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-12:42:50
G01     78.4           33.1                6.2 +/-    1.05      10.2 +/-    1.05  0.090 / 0.100
G07     133.2          34.4                8.0 +/-    0.94      12.8 +/-    0.94  0.120 / 0.080
G11     57.8           32.7                6.7 +/-    1.64      11.1 +/-    1.64  0.030 / 0.020
G13     285.4          36.7                8.3 +/-    1.72      12.8 +/-    1.72  0.030 / 0.020
G15     309.7          12.8                3.5 +/-    2.31       9.1 +/-    2.31  0.070 / 0.070
G17     224.1          65.8                8.9 +/-    0.93       9.7 +/-    0.93  0.070 / 0.060
G19     219.7          37.9                8.7 +/-    1.99      13.1 +/-    1.99  0.210 / 0.300
G28     8.3            60.4                7.0 +/-    1.05       8.0 +/-    1.05  0.120 / 0.220
G30     125.0          69.8                7.7 +/-    0.69       8.2 +/-    0.69  0.060 / 0.040