PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-18:58:00
G01     318.2          20.3               10.4 +/-    1.83      22.8 +/-    1.83  0.050 / 0.030
G08     253.1          11.9               11.5 +/-    5.19      30.7 +/-    5.19  0.040 / 0.030
G10     84.1           51.0               12.3 +/-    0.64      15.3 +/-    0.64  0.080 / 0.170
G11     299.5          25.0               10.9 +/-    1.57      21.4 +/-    1.57  0.080 / 0.170
G14     307.1          71.4               11.2 +/-    0.49      11.7 +/-    0.49  0.210 / 0.290
G18     299.7          44.9               11.0 +/-    2.70      14.9 +/-    2.70  0.200 / 0.310
G20     107.7          27.1               11.5 +/-    1.52      21.5 +/-    1.52  0.060 / 0.050
G22     302.1          11.9                9.4 +/-    7.90      25.3 +/-    7.90  0.060 / 0.040
G31     178.4          41.9               14.8 +/-    1.23      20.9 +/-    1.23  0.200 / 0.320
G32     10.7           66.1               10.5 +/-    0.58      11.4 +/-    0.58  0.190 / 0.300