PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/03-17:27:50
G01     68.7           32.3                8.9 +/-    0.62      14.9 +/-    0.62  0.070 / 0.080
G07     137.6          24.8               11.2 +/-    1.06      22.0 +/-    1.06  0.050 / 0.080
G11     52.2           29.8                9.2 +/-    0.81      16.2 +/-    0.81  0.060 / 0.170
G13     272.0          38.2               12.1 +/-    1.03      18.1 +/-    1.03  0.080 / 0.180
G15     300.8          15.8                8.1 +/-    2.04      19.8 +/-    2.04  0.060 / 0.060
G17     233.5          69.1               12.6 +/-    0.39      13.3 +/-    0.39  0.050 / 0.060
G18     46.9           16.8                8.1 +/-    1.21      19.3 +/-    1.21  0.050 / 0.090
G19     224.2          43.9               15.7 +/-    2.33      21.5 +/-    2.33  0.040 / 0.090
G28     11.2           60.7                9.2 +/-    0.45      10.4 +/-    0.45  0.070 / 0.110
G30     136.7          57.1               11.8 +/-    0.51      13.8 +/-    0.51  0.070 / 0.120