PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-00:28:00
G05     50.2           13.1                5.6 +/-    1.72      14.5 +/-    1.72  0.040 / 0.050
G10     238.6          16.8               13.6 +/-    1.81      32.3 +/-    1.81  0.050 / 0.060
G13     69.8           34.9                9.4 +/-    0.85      14.9 +/-    0.85  0.080 / 0.220
G15     116.1          54.7               11.6 +/-    0.53      13.8 +/-    0.53  0.160 / 0.290
G16     311.8          13.0                7.9 +/-    3.01      20.5 +/-    3.01  0.150 / 0.310
G20     252.0          39.8               13.2 +/-    1.01      19.2 +/-    1.01  0.140 / 0.320
G21     317.2          49.2               10.1 +/-    1.07      12.8 +/-    1.07  0.080 / 0.160
G26     284.4          19.5               10.1 +/-    1.17      22.5 +/-    1.17  0.070 / 0.150
G29     155.3          66.4               10.1 +/-    1.12      10.9 +/-    1.12  0.030 / 0.050