PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/04-17:43:00
G05     49.6           16.0                9.7 +/-    1.88      23.6 +/-    1.88  0.090 / 0.220
G10     238.6          17.2               13.1 +/-    1.16      30.9 +/-    1.16  0.100 / 0.270
G13     69.5           34.6               11.5 +/-    0.58      18.4 +/-    0.58  0.040 / 0.060
G15     116.4          54.9               13.5 +/-    0.59      16.1 +/-    0.59  0.040 / 0.080
G16     309.9          14.1                9.4 +/-    1.98      23.9 +/-    1.98  0.050 / 0.120
G20     253.0          41.5               14.4 +/-    0.73      20.4 +/-    0.73  0.050 / 0.130
G21     317.2          49.0               13.1 +/-    1.06      16.7 +/-    1.06  0.100 / 0.390
G26     283.3          19.7               11.0 +/-    2.09      24.4 +/-    2.09  0.120 / 0.410
G29     156.6          68.7               13.9 +/-    1.41      14.9 +/-    1.41  0.050 / 0.050