PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-23:58:10
G10     286.2          47.7                9.7 +/-    3.00      12.6 +/-    3.00  0.070 / 0.090
G15     49.1           38.6                6.0 +/-    1.10       8.9 +/-    1.10  0.090 / 0.070
G20     286.2          43.2               17.7 +/-    0.59      24.5 +/-    0.59  0.030 / 0.030
G21     58.6           77.7                8.8 +/-    0.68       8.9 +/-    0.68  0.030 / 0.030
G24     104.2          22.9                9.6 +/-    0.89      19.7 +/-    0.89  0.070 / 0.140
G27     308.5          29.9                9.6 +/-    1.53      16.8 +/-    1.53  0.080 / 0.160
G29     169.0          16.1               11.7 +/-    3.29      28.3 +/-    3.29  0.050 / 0.050
G32     207.2          25.8               13.3 +/-    1.71      25.5 +/-    1.71  0.040 / 0.120