PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/29-17:57:50
G08     302.1          22.4                8.0 +/-    0.80      16.6 +/-    0.80  0.070 / 0.100
G10     345.8          61.7                8.3 +/-    0.64       9.3 +/-    0.64  0.120 / 0.130
G14     221.6          37.2               10.8 +/-    1.91      16.4 +/-    1.91  0.080 / 0.100
G20     49.1           57.6                9.8 +/-    1.03      11.3 +/-    1.03  0.090 / 0.080
G21     139.7          48.4               10.9 +/-    0.49      14.0 +/-    0.49  0.040 / 0.050
G24     62.7           26.6                8.1 +/-    1.32      15.3 +/-    1.32  0.040 / 0.050
G27     269.5          35.7               11.1 +/-    1.90      17.4 +/-    1.90  0.090 / 0.080
G32     229.3          57.9               10.0 +/-    2.41      11.5 +/-    2.41  0.090 / 0.080