PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/06-06:42:40
G01     70.8           32.0                4.4 +/-    1.07       7.3 +/-    1.07  0.040 / 0.030
G07     135.9          32.3                6.7 +/-    1.06      11.1 +/-    1.06  0.030 / 0.020
G11     56.2           35.1                5.0 +/-    1.53       7.9 +/-    1.53  0.100 / 0.300
G13     275.3          39.0                5.7 +/-    1.19       8.5 +/-    1.19  0.110 / 0.360
G15     302.5          15.7                2.5 +/-    1.48       6.1 +/-    1.48  0.030 / 0.040
G17     228.1          67.3                7.3 +/-    1.01       7.8 +/-    1.01  0.040 / 0.040
G19     221.7          42.7                7.5 +/-    1.70      10.5 +/-    1.70  0.050 / 0.080
G28     359.2          61.5                5.4 +/-    0.53       6.1 +/-    0.53  0.060 / 0.120
G30     133.8          67.3                7.3 +/-    0.80       7.8 +/-    0.80  0.040 / 0.050