PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-19:28:10
G08     290.4          23.9                9.1 +/-    0.92      18.2 +/-    0.92  0.070 / 0.090
G10     10.7           63.0                7.4 +/-    0.68       8.2 +/-    0.68  0.060 / 0.120
G14     230.6          47.6               10.4 +/-    1.02      13.6 +/-    1.02  0.040 / 0.100
G18     317.6          12.6                8.0 +/-    1.95      21.2 +/-    1.95  0.040 / 0.100
G20     66.8           51.7                9.0 +/-    0.37      11.1 +/-    0.37  0.070 / 0.090
G21     146.7          37.6               10.4 +/-    0.96      15.7 +/-    0.96  0.080 / 0.080
G24     52.2           22.3                7.9 +/-    0.58      16.4 +/-    0.58  0.100 / 0.140
G27     255.6          31.3               10.2 +/-    0.98      17.4 +/-    0.98  0.090 / 0.130
G32     247.7          68.6                9.8 +/-    1.19      10.4 +/-    1.19  0.120 / 0.180