PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-19:13:10
G10     300.4          53.6               11.2 +/-    0.73      13.6 +/-    0.73  0.060 / 0.090
G15     45.8           26.3                9.2 +/-    1.32      17.5 +/-    1.32  0.080 / 0.090
G20     358.9          65.0               11.3 +/-    0.90      12.3 +/-    0.90  0.080 / 0.150
G21     97.1           74.0               12.0 +/-    1.02      12.5 +/-    1.02  0.070 / 0.150
G24     98.8           27.0               12.7 +/-    0.91      23.7 +/-    0.91  0.040 / 0.050
G27     300.1          34.7               10.8 +/-    0.96      17.3 +/-    0.96  0.040 / 0.060
G32     210.1          33.6               12.0 +/-    2.55      19.6 +/-    2.55  0.030 / 0.050