PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/14-23:27:30
G05     51.9           10.0                8.5 +/-    1.55      23.8 +/-    1.55  0.140 / 0.240
G10     241.6          20.0               11.0 +/-    2.91      24.3 +/-    2.91  0.120 / 0.220
G13     64.6           33.8               10.6 +/-    1.09      17.3 +/-    1.09  0.040 / 0.060
G15     108.6          56.5               11.9 +/-    0.61      14.0 +/-    0.61  0.050 / 0.060
G16     307.4          14.3                5.0 +/-    4.02      12.7 +/-    4.02  0.060 / 0.110
G20     256.4          42.8               10.9 +/-    1.68      15.2 +/-    1.68  0.070 / 0.120
G21     321.2          51.9                9.5 +/-    0.71      11.7 +/-    0.71  0.040 / 0.040
G26     279.7          18.8                7.4 +/-    1.21      16.6 +/-    1.21  0.030 / 0.030
G29     158.3          62.1               10.8 +/-    0.50      12.0 +/-    0.50  0.110 / 0.210