PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/11-21:12:50
G01     288.1          40.6                7.4 +/-    1.03      10.6 +/-    1.03  0.040 / 0.100
G03     312.6          18.6                7.5 +/-    1.89      17.1 +/-    1.89  0.040 / 0.100
G10     121.3          27.7               10.8 +/-    1.75      19.9 +/-    1.75  0.040 / 0.090
G11     263.5          25.7               11.4 +/-    2.29      21.9 +/-    2.29  0.050 / 0.080
G14     27.6           57.4                6.5 +/-    0.84       7.6 +/-    0.84  0.030 / 0.030
G22     314.0          39.6                5.6 +/-    2.14       8.2 +/-    2.14  0.030 / 0.040
G25     64.3           18.8                8.4 +/-    0.51      19.1 +/-    0.51  0.080 / 0.130
G26     157.1          13.9               13.6 +/-    1.67      34.8 +/-    1.67  0.050 / 0.130
G31     129.6          80.1               10.8 +/-    0.83      11.0 +/-    0.83  0.040 / 0.050
G32     52.2           41.5                7.2 +/-    0.53      10.3 +/-    0.53  0.030 / 0.060