PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-01:57:50
G08     269.7          17.2                9.7 +/-    1.81      23.0 +/-    1.81  0.110 / 0.220
G10     66.9           56.0                8.7 +/-    0.39      10.2 +/-    0.39  0.160 / 0.210
G11     310.7          17.7                3.6 +/-   16.41       8.3 +/-   16.41  0.040 / 0.060
G14     269.1          66.6                8.2 +/-    0.89       8.9 +/-    0.89  0.040 / 0.050
G18     311.2          34.3                7.4 +/-    1.65      11.9 +/-    1.65  0.170 / 0.440
G20     97.8           35.1                8.0 +/-    0.62      12.7 +/-    0.62  0.200 / 0.520
G21     155.7          14.2               11.7 +/-    2.09      29.6 +/-    2.09  0.150 / 0.280
G27     230.5          14.9               11.0 +/-    1.76      27.4 +/-    1.76  0.170 / 0.310
G31     176.5          33.7               11.7 +/-    1.99      19.1 +/-    1.99  0.030 / 0.030
G32     343.9          73.4                8.0 +/-    0.68       8.3 +/-    0.68  0.030 / 0.040