PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/06-21:42:40
G10     264.2          36.7               11.8 +/-    0.74      18.2 +/-    0.74  0.220 / 0.200
G13     43.1           20.1                9.0 +/-    1.82      19.7 +/-    1.82  0.280 / 0.300
G15     67.6           55.5               11.0 +/-    0.44      13.1 +/-    0.44  0.120 / 0.260
G16     280.8          13.1                9.0 +/-    1.63      23.5 +/-    1.63  0.150 / 0.360
G20     292.4          59.0               10.7 +/-    0.85      12.2 +/-    0.85  0.140 / 0.310
G21     356.2          70.0               11.2 +/-    0.89      11.9 +/-    0.89  0.190 / 0.300
G24     120.5          12.9               12.7 +/-    2.36      33.2 +/-    2.36  0.120 / 0.270
G27     320.1          16.0                9.5 +/-    1.94      23.1 +/-    1.94  0.190 / 0.280
G29     167.8          34.7               12.3 +/-    1.02      19.6 +/-    1.02  0.040 / 0.030