PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-23:42:50
G08     319.8          11.3                1.0 +/-   27.57       2.7 +/-   27.57  0.060 / 0.080
G10     317.7          57.7                8.0 +/-    1.18       9.2 +/-    1.18  0.060 / 0.070
G14     213.5          20.7                9.1 +/-    3.28      19.6 +/-    3.28  0.030 / 0.040
G15     45.7           18.3                6.2 +/-    2.89      14.2 +/-    2.89  0.040 / 0.040
G20     19.0           63.3                8.3 +/-    1.29       9.2 +/-    1.29  0.190 / 0.240
G21     121.9          66.5                9.3 +/-    0.26      10.1 +/-    0.26  0.110 / 0.200
G24     86.0           29.9                8.9 +/-    1.98      15.7 +/-    1.98  0.100 / 0.260
G27     287.8          37.6                6.8 +/-    0.78      10.3 +/-    0.78  0.070 / 0.330
G32     215.8          42.7                8.7 +/-    1.03      12.1 +/-    1.03  0.300 / 0.390