PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-14:57:50
G05     49.3           17.0                4.0 +/-    1.25       9.4 +/-    1.25  0.100 / 0.170
G10     238.2          17.0                9.7 +/-    2.75      22.9 +/-    2.75  0.120 / 0.240
G13     70.1           34.6                7.9 +/-    0.76      12.6 +/-    0.76  0.110 / 0.440
G15     113.9          54.5                7.6 +/-    0.70       9.1 +/-    0.70  0.110 / 0.530
G16     310.2          14.1                5.4 +/-    1.98      13.8 +/-    1.98  0.020 / 0.020
G20     252.9          42.2               10.9 +/-    2.58      15.3 +/-    2.58  0.020 / 0.030
G21     317.4          49.2                8.1 +/-    0.95      10.3 +/-    0.95  0.040 / 0.060
G26     284.2          19.7                6.5 +/-    1.20      14.5 +/-    1.20  0.050 / 0.060
G29     156.3          69.7                9.8 +/-    0.82      10.3 +/-    0.82  0.050 / 0.090