PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-21:58:00
G10     248.8          26.8                8.4 +/-    2.61      15.7 +/-    2.61  0.050 / 0.040
G13     54.8           29.8                8.2 +/-    1.98      14.4 +/-    1.98  0.040 / 0.050
G15     90.7           57.9                9.9 +/-    0.90      11.5 +/-    0.90  0.100 / 0.140
G16     297.9          15.6                6.7 +/-    2.26      16.4 +/-    2.26  0.120 / 0.180
G20     267.5          49.5                7.5 +/-    3.63       9.5 +/-    3.63  0.030 / 0.030
G21     330.9          58.0                7.8 +/-    0.78       9.0 +/-    0.78  0.030 / 0.030
G26     270.2          16.2                9.6 +/-    1.28      23.1 +/-    1.28  0.200 / 0.360
G29     162.7          52.3                9.9 +/-    0.80      12.1 +/-    0.80  0.150 / 0.320