PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/13-01:58:00
G07     25.5           69.3                6.0 +/-    0.67       6.4 +/-    0.67  0.050 / 0.050
G08     57.7           44.6                6.1 +/-    0.93       8.2 +/-    0.93  0.050 / 0.040
G09     174.6          41.1                8.5 +/-    1.00      12.1 +/-    1.00  0.040 / 0.050
G11     131.4          30.4                9.2 +/-    1.08      15.9 +/-    1.08  0.130 / 0.130
G23     160.7          16.8                5.1 +/-    1.23      12.2 +/-    1.23  0.160 / 0.260
G27     39.0           14.1                1.7 +/-    2.94       4.3 +/-    2.94  0.140 / 0.350
G28     257.0          39.9                6.7 +/-    1.19       9.8 +/-    1.19  0.080 / 0.110
G30     319.6          50.1                5.2 +/-    0.51       6.5 +/-    0.51  0.080 / 0.120