PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/04-01:27:50
G08     315.9          15.3                6.5 +/-    2.30      16.0 +/-    2.30  0.050 / 0.080
G10     316.2          57.0                9.9 +/-    0.65      11.6 +/-    0.65  0.050 / 0.090
G14     214.2          21.0               11.9 +/-    1.43      25.5 +/-    1.43  0.130 / 0.260
G15     45.8           20.6                3.8 +/-    2.04       8.3 +/-    2.04  0.110 / 0.250
G20     321.0          59.1               14.8 +/-    0.34      16.9 +/-    0.34  0.060 / 0.140
G21     122.8          66.3                9.2 +/-    0.74      10.0 +/-    0.74  0.070 / 0.120
G24     82.6           29.2                8.3 +/-    0.92      14.7 +/-    0.92  0.030 / 0.040
G27     286.6          37.4                8.9 +/-    1.65      13.5 +/-    1.65  0.030 / 0.040
G32     216.4          45.6               13.9 +/-    0.79      18.6 +/-    0.79  0.030 / 0.050