PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/09-06:27:50
G01     72.3           32.1                4.0 +/-    0.96       6.7 +/-    0.96  0.030 / 0.020
G07     135.1          33.5                6.9 +/-    0.93      11.3 +/-    0.93  0.040 / 0.030
G11     57.3           36.0                4.7 +/-    1.31       7.4 +/-    1.31  0.100 / 0.240
G13     277.0          39.1                5.9 +/-    1.26       8.8 +/-    1.26  0.080 / 0.320
G15     303.5          15.5                1.8 +/-    1.49       4.3 +/-    1.49  0.040 / 0.040
G17     226.3          66.2                7.0 +/-    0.98       7.6 +/-    0.98  0.030 / 0.040
G19     220.8          41.5                6.7 +/-    1.14       9.5 +/-    1.14  0.060 / 0.090
G28     356.5          61.5                4.1 +/-    0.68       4.6 +/-    0.68  0.050 / 0.090
G30     132.0          68.6                7.0 +/-    0.48       7.5 +/-    0.48  0.040 / 0.050