PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-21:42:50
G01     319.9          16.9                9.9 +/-    3.59      23.5 +/-    3.59  0.240 / 0.580
G08     262.2          15.3               10.0 +/-    5.72      24.7 +/-    5.72  0.240 / 0.480
G10     75.4           53.3               10.9 +/-    0.76      13.2 +/-    0.76  0.040 / 0.050
G11     308.0          19.3                9.4 +/-    1.08      21.0 +/-    1.08  0.040 / 0.050
G14     277.4          67.3               12.0 +/-    1.17      12.8 +/-    1.17  0.180 / 0.370
G20     103.1          29.9               13.0 +/-    1.08      22.8 +/-    1.08  0.190 / 0.330
G27     226.5          11.6               12.2 +/-    4.62      33.0 +/-    4.62  0.150 / 0.300
G31     175.8          38.6               12.1 +/-    1.19      18.1 +/-    1.19  0.220 / 0.320
G32     2.4            69.7               11.0 +/-    0.35      11.6 +/-    0.35  0.050 / 0.080