PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/08-21:28:00
G01     286.4          40.8                2.3 +/-    1.13       3.4 +/-    1.13  0.050 / 0.080
G03     313.0          19.5                7.1 +/-    2.19      15.9 +/-    2.19  0.060 / 0.090
G10     122.2          26.7               10.9 +/-    1.75      20.5 +/-    1.75  0.020 / 0.020
G11     262.0          25.3               10.5 +/-    5.13      20.3 +/-    5.13  0.020 / 0.020
G14     29.5           56.6                8.5 +/-    1.12      10.0 +/-    1.12  0.070 / 0.140
G22     314.1          40.6                7.6 +/-    1.31      11.0 +/-    1.31  0.080 / 0.150
G25     63.0           18.7                8.1 +/-    1.86      18.4 +/-    1.86  0.060 / 0.040
G26     156.5          14.8               11.2 +/-    0.93      28.1 +/-    0.93  0.050 / 0.050
G31     122.8          80.6               10.8 +/-    0.63      10.9 +/-    0.63  0.040 / 0.070
G32     53.3           40.7                7.7 +/-    1.18      11.1 +/-    1.18  0.050 / 0.080