PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-22:27:40
G08     318.1          13.7                9.1 +/-    2.58      23.3 +/-    2.58  0.030 / 0.050
G10     310.4          55.7               10.3 +/-    1.68      12.2 +/-    1.68  0.030 / 0.060
G14     212.7          18.5               15.6 +/-    3.03      35.6 +/-    3.03  0.330 / 0.570
G15     45.9           26.1                9.0 +/-    3.07      17.1 +/-    3.07  0.400 / 0.660
G20     11.8           64.3               11.0 +/-    0.74      12.1 +/-    0.74  0.090 / 0.070
G21     117.1          68.3               13.2 +/-    0.82      14.1 +/-    0.82  0.060 / 0.080
G24     85.6           28.4               11.6 +/-    0.99      21.1 +/-    0.99  0.070 / 0.060
G27     291.9          36.4               10.8 +/-    1.72      16.7 +/-    1.72  0.070 / 0.060
G32     214.3          41.3               14.0 +/-    0.96      20.0 +/-    0.96  0.110 / 0.560