PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-10:42:40
G01     70.0           32.1                2.6 +/-    0.56       4.4 +/-    0.56  0.080 / 0.120
G07     136.6          29.6                4.2 +/-    0.67       7.3 +/-    0.67  0.050 / 0.110
G11     54.4           32.8                1.8 +/-    0.41       2.9 +/-    0.41  0.050 / 0.060
G13     273.9          38.7                6.3 +/-    0.71       9.3 +/-    0.71  0.040 / 0.060
G15     304.2          14.4                0.6 +/-    3.52       1.5 +/-    3.52  0.030 / 0.050
G17     229.6          65.8                5.3 +/-    0.79       5.7 +/-    0.79  0.030 / 0.050
G18     48.8           18.2                1.2 +/-    0.74       2.8 +/-    0.74  0.060 / 0.080
G19     222.7          43.4                6.1 +/-    0.96       8.4 +/-    0.96  0.050 / 0.070
G28     3.9            61.3                2.4 +/-    0.63       2.7 +/-    0.63  0.060 / 0.110
G30     135.2          63.9                4.0 +/-    0.67       4.4 +/-    0.67  0.050 / 0.110