PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-13:28:10
G01     71.4           33.0                4.9 +/-    0.88       8.0 +/-    0.88  0.030 / 0.020
G07     137.1          31.4                5.5 +/-    1.05       9.4 +/-    1.05  0.040 / 0.030
G11     53.3           30.1                4.7 +/-    2.09       8.2 +/-    2.09  0.040 / 0.070
G13     274.7          37.8                4.9 +/-    2.22       7.4 +/-    2.22  0.050 / 0.080
G15     306.0          13.3                3.4 +/-    2.22       8.7 +/-    2.22  0.070 / 0.080
G17     232.9          70.1                5.5 +/-    0.59       5.8 +/-    0.59  0.090 / 0.070
G18     49.0           18.0                5.4 +/-    2.42      12.6 +/-    2.42  0.050 / 0.100
G19     223.6          38.0                5.4 +/-    2.02       8.2 +/-    2.02  0.070 / 0.090
G28     18.2           59.5                5.3 +/-    1.21       6.0 +/-    1.21  0.110 / 0.210
G30     135.0          64.0                5.8 +/-    0.41       6.4 +/-    0.41  0.100 / 0.190