PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-15:28:10
G02     204.9          35.6               10.1 +/-    1.42      15.9 +/-    1.42  0.060 / 0.120
G06     151.5          72.3                8.6 +/-    0.53       9.0 +/-    0.53  0.050 / 0.120
G12     308.3          16.9                6.6 +/-    1.30      15.6 +/-    1.30  0.080 / 0.100
G17     34.9           50.1                6.8 +/-    1.03       8.5 +/-    1.03  0.090 / 0.110
G19     10.4           62.6                7.4 +/-    0.61       8.2 +/-    0.61  0.030 / 0.060
G24     294.9          38.8                6.7 +/-    1.93      10.0 +/-    1.93  0.030 / 0.040
G28     102.1          34.7                9.0 +/-    0.95      14.3 +/-    0.95  0.060 / 0.040