PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/14-16:28:10
G01     298.3          37.8                7.7 +/-    2.85      11.6 +/-    2.85  0.060 / 0.090
G03     310.2          14.8                7.6 +/-    1.80      19.1 +/-    1.80  0.070 / 0.100
G10     114.6          33.9               10.5 +/-    1.05      17.0 +/-    1.05  0.080 / 0.120
G11     274.9          26.8               10.6 +/-    1.00      19.9 +/-    1.00  0.090 / 0.120
G14     11.4           63.0                7.8 +/-    0.60       8.6 +/-    0.60  0.040 / 0.040
G22     312.7          34.4                7.2 +/-    1.10      11.5 +/-    1.10  0.050 / 0.040
G25     73.8           18.7                9.1 +/-    1.53      20.7 +/-    1.53  0.080 / 0.090
G31     150.5          74.6                9.9 +/-    0.46      10.3 +/-    0.46  0.100 / 0.060
G32     45.8           45.7                7.8 +/-    0.77      10.4 +/-    0.77  0.020 / 0.020