PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/06-19:42:20
G10     300.6          53.6                9.9 +/-    1.78      11.9 +/-    1.78  0.040 / 0.050
G15     45.9           26.5                8.5 +/-    2.08      16.0 +/-    2.08  0.040 / 0.050
G20     358.8          65.0               10.7 +/-    0.39      11.7 +/-    0.39  0.090 / 0.170
G21     97.4           74.0               11.8 +/-    0.61      12.2 +/-    0.61  0.120 / 0.140
G24     98.6           27.1               10.6 +/-    0.99      19.8 +/-    0.99  0.080 / 0.090
G27     299.9          34.8               10.2 +/-    1.32      16.3 +/-    1.32  0.070 / 0.130
G32     210.2          33.6               13.8 +/-    1.82      22.5 +/-    1.82  0.080 / 0.130