PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-17:12:40
G01     70.2           32.5                7.6 +/-    0.52      12.7 +/-    0.52  0.050 / 0.130
G07     136.9          26.1               10.0 +/-    0.80      19.0 +/-    0.80  0.050 / 0.130
G11     53.0           30.7                7.4 +/-    1.34      12.8 +/-    1.34  0.040 / 0.060
G13     273.6          38.4               11.1 +/-    0.75      16.6 +/-    0.75  0.040 / 0.060
G15     302.0          15.5                6.7 +/-    2.93      16.4 +/-    2.93  0.060 / 0.130
G17     231.2          67.9                9.7 +/-    0.45      10.3 +/-    0.45  0.060 / 0.150
G18     47.9           17.4                6.7 +/-    1.26      15.7 +/-    1.26  0.050 / 0.090
G19     223.2          42.8               11.0 +/-    1.08      15.3 +/-    1.08  0.050 / 0.080
G28     8.7            60.9                7.6 +/-    0.69       8.5 +/-    0.69  0.100 / 0.240