PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-03:58:10
G10     294.9          51.6                8.6 +/-    0.96      10.6 +/-    0.96  0.070 / 0.040
G15     46.4           29.2                4.6 +/-    0.74       8.2 +/-    0.74  0.050 / 0.040
G20     346.4          65.3                7.6 +/-    0.49       8.3 +/-    0.49  0.070 / 0.100
G21     87.6           75.2               10.1 +/-    0.31      10.4 +/-    0.31  0.060 / 0.100
G24     100.3          25.5                6.6 +/-    0.81      12.7 +/-    0.81  0.040 / 0.040
G27     304.2          32.5                7.8 +/-    2.12      13.0 +/-    2.12  0.040 / 0.050
G32     209.8          26.8               11.2 +/-    1.10      21.1 +/-    1.10  0.090 / 0.140