PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-11:57:30
G02     38.7           49.7                4.3 +/-    1.35       5.5 +/-    1.35  0.020 / 0.030
G05     137.4          65.3                7.7 +/-    0.66       8.4 +/-    0.66  0.030 / 0.030
G06     56.4           11.1                3.3 +/-    2.13       9.1 +/-    2.13  0.030 / 0.040
G12     187.3          59.8                9.0 +/-    0.46      10.2 +/-    0.46  0.030 / 0.040
G25     288.8          56.0                5.8 +/-    3.10       6.9 +/-    3.10  0.080 / 0.100
G29     310.2          30.9                6.5 +/-    0.92      11.2 +/-    0.92  0.070 / 0.100