PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-00:12:40
G10     277.8          44.0               12.6 +/-    1.67      17.2 +/-    1.67  0.120 / 0.120
G13     38.4           10.7                9.0 +/-    3.71      24.6 +/-    3.71  0.140 / 0.140
G15     52.7           44.1                9.2 +/-    0.72      12.6 +/-    0.72  0.040 / 0.030
G20     281.7          42.7                8.6 +/-    0.95      12.0 +/-    0.95  0.040 / 0.040
G21     28.7           76.5               11.0 +/-    0.96      11.3 +/-    0.96  0.110 / 0.190
G24     110.7          19.6               12.7 +/-    2.02      28.3 +/-    2.02  0.120 / 0.170
G27     313.5          25.6               10.9 +/-    1.71      20.9 +/-    1.71  0.100 / 0.320
G29     169.0          22.6               12.2 +/-    1.39      25.2 +/-    1.39  0.120 / 0.440
G32     205.5          19.5               14.9 +/-    4.60      33.2 +/-    4.60  0.030 / 0.050