PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/20-03:43:10
G08     314.3          16.1                5.3 +/-    6.85      12.9 +/-    6.85  0.040 / 0.050
G10     327.0          59.4                9.2 +/-    1.06      10.6 +/-    1.06  0.040 / 0.050
G14     215.6          26.9                6.7 +/-    4.04      12.5 +/-    4.04  0.080 / 0.070
G15     46.3           12.8                3.0 +/-    7.23       7.9 +/-    7.23  0.070 / 0.090
G20     29.6           61.9                6.5 +/-    4.65       7.3 +/-    4.65  0.030 / 0.040
G21     129.9          61.0                9.6 +/-    0.78      10.8 +/-    0.78  0.040 / 0.040
G24     78.8           30.1                5.7 +/-    6.01      10.0 +/-    6.01  0.070 / 0.200
G27     281.4          37.7                7.8 +/-    4.96      11.9 +/-    4.96  0.070 / 0.230
G32     219.6          46.0                9.0 +/-    5.05      12.0 +/-    5.05  0.190 / 0.530