PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/24-06:27:50
G01     73.0           33.1                5.1 +/-    0.75       8.4 +/-    0.75  0.030 / 0.040
G07     136.2          30.9                7.9 +/-    0.73      13.6 +/-    0.73  0.030 / 0.030
G11     53.8           30.8                5.3 +/-    0.76       9.1 +/-    0.76  0.080 / 0.120
G13     276.4          38.1                7.2 +/-    1.09      10.8 +/-    1.09  0.110 / 0.100
G15     306.1          13.6                2.0 +/-    1.64       5.2 +/-    1.64  0.040 / 0.060
G17     230.6          70.3                7.3 +/-    0.94       7.7 +/-    0.94  0.030 / 0.050
G19     222.4          37.6                7.1 +/-    1.82      10.7 +/-    1.82  0.040 / 0.080
G28     12.6           60.3                5.2 +/-    0.64       5.9 +/-    0.64  0.050 / 0.120
G30     133.5          65.4                6.9 +/-    0.49       7.6 +/-    0.49  0.040 / 0.030