PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-09:28:10
G01     76.9           32.4                4.1 +/-    1.61       6.8 +/-    1.61  0.040 / 0.070
G07     133.0          35.4                5.0 +/-    0.80       7.9 +/-    0.80  0.060 / 0.080
G11     59.4           36.9                4.1 +/-    1.14       6.2 +/-    1.14  0.050 / 0.060
G13     281.6          39.0                7.0 +/-    5.06      10.4 +/-    5.06  0.050 / 0.060
G15     308.2          13.4                3.0 +/-    3.26       7.8 +/-    3.26  0.100 / 0.080
G17     222.0          61.0                6.9 +/-    1.63       7.7 +/-    1.63  0.110 / 0.120
G18     53.8           20.9                3.3 +/-    3.11       7.1 +/-    3.11  0.080 / 0.210
G19     218.6          38.0                7.1 +/-    1.31      10.6 +/-    1.31  0.080 / 0.220
G28     351.8          61.6                3.8 +/-    0.96       4.3 +/-    0.96  0.030 / 0.020
G30     126.8          70.2                5.6 +/-    0.81       5.9 +/-    0.81  0.040 / 0.030