PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-01:13:10
G10     245.6          23.8               12.5 +/-    0.89      25.2 +/-    0.89  0.130 / 0.100
G13     58.8           31.8                8.9 +/-    0.96      15.0 +/-    0.96  0.100 / 0.160
G15     96.9           57.4               10.8 +/-    0.96      12.6 +/-    0.96  0.040 / 0.060
G16     303.0          14.9                5.9 +/-    2.26      14.8 +/-    2.26  0.030 / 0.050
G20     262.5          46.7               11.9 +/-    3.58      15.6 +/-    3.58  0.090 / 0.420
G21     327.2          55.8                9.5 +/-    0.67      11.2 +/-    0.67  0.120 / 0.430
G26     274.8          17.4                8.8 +/-    2.75      20.6 +/-    2.75  0.060 / 0.130
G29     160.5          55.2               10.9 +/-    0.35      12.9 +/-    0.35  0.070 / 0.120