PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-23:12:50
G01     80.1           32.9                8.5 +/-    1.43      14.0 +/-    1.43  0.120 / 0.090
G07     132.3          33.7               11.4 +/-    1.09      18.5 +/-    1.09  0.180 / 0.160
G11     58.6           34.9                9.0 +/-    1.52      14.3 +/-    1.52  0.050 / 0.080
G13     284.1          38.3                8.9 +/-    2.97      13.3 +/-    2.97  0.050 / 0.080
G15     308.9          13.3                6.5 +/-    2.81      16.9 +/-    2.81  0.090 / 0.090
G17     221.0          63.7               11.2 +/-    1.07      12.3 +/-    1.07  0.080 / 0.110
G18     53.0           19.7                7.0 +/-    1.39      15.4 +/-    1.39  0.040 / 0.050
G19     218.3          34.2               11.9 +/-    1.66      19.2 +/-    1.66  0.040 / 0.050
G28     357.3          61.4                9.1 +/-    0.89      10.2 +/-    0.89  0.120 / 0.200
G30     124.8          69.3               11.0 +/-    1.05      11.7 +/-    1.05  0.110 / 0.210