PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/16-05:57:40
G01     72.9           32.1                4.6 +/-    0.63       7.7 +/-    0.63  0.040 / 0.040
G07     134.7          34.3                7.8 +/-    1.58      12.5 +/-    1.58  0.040 / 0.040
G11     58.0           36.6                5.4 +/-    0.93       8.3 +/-    0.93  0.040 / 0.070
G13     277.8          39.1                6.1 +/-    1.45       9.0 +/-    1.45  0.050 / 0.080
G15     303.8          15.5                1.2 +/-    2.46       3.0 +/-    2.46  0.120 / 0.420
G17     225.4          65.9                8.7 +/-    1.03       9.5 +/-    1.03  0.110 / 0.310
G19     220.3          40.9                8.4 +/-    0.96      12.0 +/-    0.96  0.040 / 0.110
G28     355.0          61.5                5.9 +/-    0.81       6.7 +/-    0.81  0.050 / 0.100
G30     131.0          69.4                7.3 +/-    0.85       7.7 +/-    0.85  0.080 / 0.080