PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-01:27:50
G01     71.1           32.8                4.5 +/-    0.83       7.4 +/-    0.83  0.080 / 0.130
G07     136.9          27.8                6.6 +/-    1.12      12.1 +/-    1.12  0.090 / 0.100
G11     52.7           29.8                4.3 +/-    0.76       7.5 +/-    0.76  0.040 / 0.040
G13     274.3          38.2                6.5 +/-    0.68       9.8 +/-    0.68  0.030 / 0.040
G15     302.9          15.1                0.1 +/-    2.07       0.3 +/-    2.07  0.050 / 0.100
G17     232.9          71.4                6.0 +/-    0.79       6.3 +/-    0.79  0.050 / 0.110
G18     46.2           15.6                2.0 +/-    2.14       4.9 +/-    2.14  0.040 / 0.060
G19     223.3          40.6                8.2 +/-    1.08      11.8 +/-    1.08  0.040 / 0.050
G28     12.8           60.4                3.7 +/-    0.58       4.1 +/-    0.58  0.060 / 0.090
G30     135.2          62.8                6.7 +/-    0.43       7.4 +/-    0.43  0.060 / 0.070