PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-16:27:50
G01     90.8           31.1                8.5 +/-    1.10      14.6 +/-    1.10  0.050 / 0.050
G07     125.1          41.3                9.3 +/-    0.79      13.3 +/-    0.79  0.040 / 0.050
G11     69.0           40.5                7.7 +/-    0.59      11.2 +/-    0.59  0.050 / 0.090
G13     295.2          36.6                8.6 +/-    4.20      13.2 +/-    4.20  0.060 / 0.090
G17     212.8          51.0               12.1 +/-    0.68      15.1 +/-    0.68  0.040 / 0.050
G18     63.6           23.5                8.6 +/-    1.50      17.4 +/-    1.50  0.040 / 0.070
G19     213.2          26.8                9.9 +/-    2.19      18.6 +/-    2.19  0.070 / 0.120
G28     334.9          61.4                8.1 +/-    0.53       9.1 +/-    0.53  0.070 / 0.100
G30     107.1          73.4               10.6 +/-    0.81      11.0 +/-    0.81  0.040 / 0.060