PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-18:28:00
G08     293.9          23.1                8.2 +/-    0.85      16.8 +/-    0.85  0.110 / 0.120
G10     11.5           62.6                7.5 +/-    1.05       8.3 +/-    1.05  0.070 / 0.080
G14     228.4          41.4               10.5 +/-    2.02      14.9 +/-    2.02  0.090 / 0.120
G20     68.0           50.2                7.6 +/-    0.94       9.6 +/-    0.94  0.060 / 0.150
G21     146.7          40.6                9.6 +/-    0.79      13.8 +/-    0.79  0.080 / 0.170
G24     57.5           26.5                7.7 +/-    1.93      14.6 +/-    1.93  0.090 / 0.160
G27     254.5          32.3                9.5 +/-    2.82      15.8 +/-    2.82  0.040 / 0.080
G32     245.7          69.3                8.2 +/-    0.84       8.7 +/-    0.84  0.040 / 0.070