PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-03:13:00
G01     295.4          40.2                6.8 +/-    7.22       9.9 +/-    7.22  0.160 / 0.310
G03     310.2          13.3                5.2 +/-    7.61      13.6 +/-    7.61  0.130 / 0.220
G10     115.9          30.6                6.8 +/-    0.74      11.8 +/-    0.74  0.030 / 0.040
G11     270.9          26.1                8.2 +/-    2.63      15.7 +/-    2.63  0.040 / 0.050
G14     14.1           62.4                7.1 +/-    0.70       7.9 +/-    0.70  0.100 / 0.090
G18     258.6          49.4                8.7 +/-    1.25      11.1 +/-    1.25  0.080 / 0.070
G22     313.0          33.5                6.6 +/-    0.86      10.8 +/-    0.86  0.040 / 0.060
G25     72.9           18.4                5.9 +/-    2.15      13.5 +/-    2.15  0.040 / 0.050
G31     140.6          75.8               -3.9 +/-    0.81      -4.0 +/-    0.81  0.200 / 0.230
G32     46.0           45.7                5.6 +/-    0.65       7.5 +/-    0.65  0.140 / 0.240