PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/04-00:57:30
G10     294.8          51.0                8.9 +/-    0.71      11.1 +/-    0.71  0.050 / 0.110
G15     46.9           32.6                4.9 +/-    0.61       8.1 +/-    0.61  0.050 / 0.100
G20     299.9          52.2               13.7 +/-    0.68      16.8 +/-    0.68  0.070 / 0.130
G21     87.3           76.0                8.4 +/-    0.67       8.6 +/-    0.67  0.070 / 0.130
G24     97.9           25.7                9.8 +/-    1.66      18.8 +/-    1.66  0.040 / 0.040
G27     302.5          33.3                9.2 +/-    1.80      15.1 +/-    1.80  0.050 / 0.040
G29     168.6          10.1               12.1 +/-    2.23      33.7 +/-    2.23  0.060 / 0.040
G32     209.5          32.0               11.0 +/-    1.13      18.5 +/-    1.13  0.050 / 0.040