PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-15:57:40
G10     264.8          38.5                9.0 +/-    0.86      13.4 +/-    0.86  0.140 / 0.240
G13     42.6           18.9                6.8 +/-    3.02      15.3 +/-    3.02  0.160 / 0.210
G15     59.7           48.3                7.3 +/-    0.73       9.4 +/-    0.73  0.230 / 0.320
G16     280.5          13.5                4.7 +/-    3.99      12.1 +/-    3.99  0.240 / 0.310
G20     297.5          60.9                8.4 +/-    0.81       9.5 +/-    0.81  0.130 / 0.430
G21     358.4          70.1                7.7 +/-    0.90       8.2 +/-    0.90  0.090 / 0.330
G24     124.3          12.6                9.9 +/-    3.42      26.0 +/-    3.42  0.050 / 0.100
G27     319.8          16.8                7.4 +/-    2.18      17.6 +/-    2.18  0.050 / 0.100
G29     167.1          35.1                9.0 +/-    0.94      14.3 +/-    0.94  0.040 / 0.040