PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-05:57:50
G01     79.8           32.1                5.9 +/-    1.29      10.0 +/-    1.29  0.030 / 0.030
G07     130.7          39.4               10.2 +/-    0.90      15.0 +/-    0.90  0.030 / 0.030
G11     63.4           39.8                6.3 +/-    1.14       9.1 +/-    1.14  0.150 / 0.220
G13     285.3          38.8                0.9 +/-    3.29       1.4 +/-    3.29  0.110 / 0.280
G15     308.7          13.8                1.1 +/-    1.12       2.8 +/-    1.12  0.040 / 0.050
G17     218.6          60.2               11.4 +/-    1.07      12.9 +/-    1.07  0.060 / 0.050
G19     216.7          35.5               11.0 +/-    1.64      17.3 +/-    1.64  0.070 / 0.040
G28     343.9          61.4                6.3 +/-    0.41       7.1 +/-    0.41  0.070 / 0.050
G30     119.8          74.6                9.4 +/-    0.67       9.7 +/-    0.67  0.070 / 0.090