PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-21:42:40
G01     319.9          16.9                9.1 +/-    1.44      21.6 +/-    1.44  0.140 / 0.300
G08     262.2          15.3               11.5 +/-    2.35      28.5 +/-    2.35  0.150 / 0.340
G10     75.4           53.3               10.9 +/-    0.82      13.2 +/-    0.82  0.150 / 0.240
G11     308.0          19.3               11.1 +/-    0.96      24.9 +/-    0.96  0.120 / 0.200
G14     277.4          67.3               13.1 +/-    0.75      14.0 +/-    0.75  0.040 / 0.060
G20     103.1          29.9               13.8 +/-    1.13      24.2 +/-    1.13  0.040 / 0.060
G27     226.5          11.6               12.3 +/-    3.26      33.1 +/-    3.26  0.190 / 0.390
G31     175.8          38.6               13.7 +/-    1.28      20.4 +/-    1.28  0.160 / 0.350
G32     2.4            69.7               12.1 +/-    0.83      12.9 +/-    0.83  0.050 / 0.090