PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-16:57:40
G08     311.5          18.6                8.8 +/-    0.72      20.1 +/-    0.72  0.030 / 0.040
G10     325.2          58.9               10.4 +/-    0.61      11.9 +/-    0.61  0.040 / 0.040
G14     215.8          27.4               10.7 +/-    1.94      19.8 +/-    1.94  0.030 / 0.050
G15     46.2           15.2                8.4 +/-    1.26      20.7 +/-    1.26  0.030 / 0.050
G20     29.8           61.9               11.9 +/-    0.58      13.3 +/-    0.58  0.060 / 0.090
G21     130.1          58.0               12.6 +/-    0.54      14.5 +/-    0.54  0.050 / 0.090
G24     73.9           28.2               13.4 +/-    0.62      24.4 +/-    0.62  0.090 / 0.100
G27     283.2          36.9               10.4 +/-    1.26      15.9 +/-    1.26  0.070 / 0.090
G32     219.7          47.5               12.8 +/-    0.99      16.6 +/-    0.99  0.080 / 0.210