PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-11:12:40
G01     73.9           33.0                3.6 +/-    0.89       6.0 +/-    0.89  0.040 / 0.050
G07     135.7          31.5                6.8 +/-    0.91      11.5 +/-    0.91  0.050 / 0.050
G11     55.1           30.8                3.3 +/-    1.50       5.6 +/-    1.50  0.110 / 0.310
G13     280.4          36.9                9.3 +/-    0.67      14.2 +/-    0.67  0.100 / 0.300
G15     305.9          14.3                2.0 +/-    1.71       5.0 +/-    1.71  0.040 / 0.110
G17     229.8          69.2                5.8 +/-    1.01       6.1 +/-    1.01  0.050 / 0.100
G19     222.3          41.3                8.5 +/-    1.41      12.2 +/-    1.41  0.050 / 0.040
G28     15.5           59.7                2.9 +/-    0.43       3.3 +/-    0.43  0.030 / 0.040
G30     131.2          65.6                3.4 +/-    1.13       3.7 +/-    1.13  0.250 / 0.280