PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-11:27:50
G01     53.8           27.4                2.7 +/-    1.07       5.0 +/-    1.07  0.050 / 0.130
G06     177.7          19.9               -9.1 +/-   31.41     -20.0 +/-   31.41  0.110 / 0.150
G07     143.7          15.8                3.0 +/-    0.67       7.3 +/-    0.67  0.050 / 0.050
G11     46.4           21.2                1.3 +/-    1.01       2.7 +/-    1.01  0.040 / 0.050
G13     255.2          34.1                4.0 +/-    1.74       6.4 +/-    1.74  0.020 / 0.040
G15     290.2          15.8               -0.1 +/-    3.30      -0.3 +/-    3.30  0.020 / 0.020
G17     270.6          77.0                5.8 +/-    0.71       5.9 +/-    0.71  0.040 / 0.050
G19     238.0          57.1                4.6 +/-    1.13       5.3 +/-    1.13  0.040 / 0.050
G28     32.3           58.7                3.8 +/-    0.46       4.4 +/-    0.46  0.070 / 0.150
G30     147.3          48.4                5.9 +/-    0.81       7.6 +/-    0.81  0.070 / 0.140