PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/14-19:12:30
G03     246.8          70.6                9.4 +/-    0.96       9.9 +/-    0.96  0.050 / 0.050
G09     299.8          13.2               10.1 +/-    1.83      26.2 +/-    1.83  0.050 / 0.040
G14     94.9           19.1                8.7 +/-    1.46      19.6 +/-    1.46  0.040 / 0.060
G16     137.1          54.5               10.8 +/-    0.49      12.9 +/-    0.49  0.030 / 0.040
G22     197.6          60.5               10.2 +/-    0.66      11.5 +/-    0.66  0.090 / 0.250
G23     315.9          45.8               10.2 +/-    0.56      13.5 +/-    0.56  0.100 / 0.230
G26     77.8           53.5                9.3 +/-    0.67      11.2 +/-    0.67  0.130 / 0.150
G31     49.6           23.4                6.4 +/-    1.63      12.9 +/-    1.63  0.070 / 0.200