PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-21:57:50
G01     320.4          14.7                7.4 +/-    2.25      18.5 +/-    2.25  0.170 / 0.530
G08     264.7          16.4               12.3 +/-    6.23      29.6 +/-    6.23  0.120 / 0.260
G10     71.4           54.6               12.6 +/-    0.95      15.1 +/-    0.95  0.200 / 0.450
G11     309.9          18.1               10.0 +/-    2.22      23.1 +/-    2.22  0.200 / 0.460
G14     271.7          66.2               12.3 +/-    0.92      13.3 +/-    0.92  0.040 / 0.050
G20     100.9          31.8               11.3 +/-    1.37      19.1 +/-    1.37  0.040 / 0.050
G21     156.0          11.6               13.0 +/-    4.11      35.0 +/-    4.11  0.260 / 0.350
G27     228.3          13.2               14.4 +/-    3.67      37.3 +/-    3.67  0.300 / 0.440
G31     176.3          36.0               14.9 +/-    0.73      23.3 +/-    0.73  0.130 / 0.350
G32     356.2          71.4               11.3 +/-    0.68      11.9 +/-    0.68  0.130 / 0.310