PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-00:12:50
G08     312.7          16.5                7.8 +/-    2.66      18.8 +/-    2.66  0.070 / 0.090
G10     336.3          60.7                8.5 +/-    0.61       9.6 +/-    0.61  0.080 / 0.080
G14     217.9          29.9               12.8 +/-    2.14      22.5 +/-    2.14  0.080 / 0.230
G20     38.8           60.0                9.9 +/-    0.94      11.2 +/-    0.94  0.080 / 0.170
G21     134.9          57.5               10.7 +/-    1.07      12.4 +/-    1.07  0.030 / 0.060
G24     74.3           30.3                9.6 +/-    0.45      16.7 +/-    0.45  0.030 / 0.050
G27     274.8          37.6               10.7 +/-    1.63      16.1 +/-    1.63  0.040 / 0.040
G32     223.0          52.3               11.2 +/-    1.19      13.8 +/-    1.19  0.040 / 0.030