PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/22-22:42:50
G05     49.7           14.5                6.5 +/-    2.47      16.3 +/-    2.47  0.040 / 0.080
G10     237.7          16.0               13.8 +/-    1.82      33.6 +/-    1.82  0.040 / 0.070
G13     71.2           35.0                9.2 +/-    1.14      14.7 +/-    1.14  0.090 / 0.130
G15     119.1          54.1               10.5 +/-    0.35      12.6 +/-    0.35  0.080 / 0.140
G16     312.2          13.0                6.7 +/-    3.20      17.5 +/-    3.20  0.030 / 0.040
G20     250.8          38.7               11.6 +/-    1.65      17.3 +/-    1.65  0.030 / 0.040
G21     315.7          48.1                9.3 +/-    1.28      12.1 +/-    1.28  0.100 / 0.240
G26     285.1          19.8                7.9 +/-    1.71      17.4 +/-    1.71  0.080 / 0.210
G29     154.8          68.6               10.0 +/-    0.36      10.6 +/-    0.36  0.150 / 0.360