PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/17-17:42:40
G05     48.6           19.6                6.3 +/-    0.98      14.0 +/-    0.98  0.040 / 0.080
G10     237.2          14.0               11.0 +/-    5.04      28.1 +/-    5.04  0.050 / 0.070
G13     73.3           35.9               10.0 +/-    1.11      15.6 +/-    1.11  0.100 / 0.340
G15     128.2          52.9               10.7 +/-    0.59      13.1 +/-    0.59  0.130 / 0.290
G16     312.6          13.0                6.6 +/-    2.94      17.1 +/-    2.94  0.070 / 0.170
G20     249.6          38.1               12.9 +/-    2.10      19.3 +/-    2.10  0.070 / 0.130
G21     315.6          48.7                9.1 +/-    0.91      11.6 +/-    0.91  0.060 / 0.110
G26     286.3          20.0                8.1 +/-    2.42      17.8 +/-    2.42  0.060 / 0.120
G29     156.1          70.6               11.0 +/-    1.07      11.6 +/-    1.07  0.030 / 0.030