PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-04:27:50
G01     268.9          42.0                6.5 +/-    1.66       9.1 +/-    1.66  0.050 / 0.050
G03     315.9          29.6                4.0 +/-    1.70       7.1 +/-    1.70  0.040 / 0.050
G10     129.5          15.4                6.8 +/-    1.98      16.7 +/-    1.98  0.060 / 0.080
G11     251.1          19.3                7.3 +/-    6.07      16.3 +/-    6.07  0.060 / 0.070
G14     41.7           51.1                5.4 +/-    0.53       6.7 +/-    0.53  0.040 / 0.060
G18     232.9          38.9                7.5 +/-    1.15      11.1 +/-    1.15  0.050 / 0.070
G22     314.2          51.0                5.5 +/-    0.81       6.9 +/-    0.81  0.070 / 0.080
G25     53.6           16.9                3.3 +/-    2.45       7.8 +/-    2.45  0.080 / 0.100
G31     55.4           72.1                5.5 +/-    0.42       5.8 +/-    0.42  0.060 / 0.110
G32     63.3           33.2                3.1 +/-    0.76       5.2 +/-    0.76  0.060 / 0.080