PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-15:58:00
G05     49.8           16.1                4.9 +/-    1.09      12.0 +/-    1.09  0.050 / 0.070
G10     238.8          16.0                8.1 +/-    1.08      19.7 +/-    1.08  0.050 / 0.080
G13     70.2           35.5                7.0 +/-    0.61      11.0 +/-    0.61  0.100 / 0.310
G15     122.0          54.7                7.5 +/-    0.55       9.0 +/-    0.55  0.110 / 0.230
G16     311.0          13.4                5.4 +/-    1.84      13.9 +/-    1.84  0.110 / 0.220
G20     252.0          40.1                7.8 +/-    1.50      11.4 +/-    1.50  0.120 / 0.250
G21     319.0          51.1                8.3 +/-    1.08      10.3 +/-    1.08  0.070 / 0.120
G26     284.7          19.4                6.5 +/-    1.39      14.6 +/-    1.39  0.070 / 0.100
G29     157.2          67.0                8.0 +/-    1.12       8.6 +/-    1.12  0.030 / 0.040