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                7.6 +/-    0.51      12.7 +/-    0.51  0.080 / 0.190
G07     130.7          39.4               10.6 +/-    0.87      15.5 +/-    0.87  0.070 / 0.180
G11     63.4           39.8                6.5 +/-    0.56       9.4 +/-    0.56  0.030 / 0.040
G13     285.3          38.8                6.1 +/-    0.77       9.1 +/-    0.77  0.030 / 0.030
G15     308.7          13.8                1.6 +/-    2.81       4.2 +/-    2.81  0.050 / 0.080
G17     218.6          60.2               10.0 +/-    0.58      11.3 +/-    0.58  0.040 / 0.070
G19     216.7          35.5               11.5 +/-    1.79      18.1 +/-    1.79  0.060 / 0.080
G28     343.9          61.4                5.7 +/-    0.87       6.4 +/-    0.87  0.060 / 0.080
G30     119.8          74.6               10.2 +/-    0.46      10.6 +/-    0.46  0.040 / 0.060