PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-04:12:30
G02     29.0           58.6                3.3 +/-    1.22       3.7 +/-    1.22  0.020 / 0.040
G05     145.5          57.7                5.4 +/-    0.33       6.2 +/-    0.33  0.020 / 0.090
G06     49.1           24.3                3.1 +/-    2.64       6.2 +/-    2.64  0.030 / 0.040
G12     217.9          74.9                2.9 +/-    0.48       3.0 +/-    0.48  0.030 / 0.030
G19     95.3           13.0                4.3 +/-    2.73      11.3 +/-    2.73  0.040 / 0.040
G25     302.3          51.6                1.7 +/-    4.26       2.1 +/-    4.26  0.060 / 0.030
G29     306.1          29.0                2.3 +/-    0.72       4.2 +/-    0.72  0.050 / 0.050