PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-21:27:50
G05     50.0           14.1                6.0 +/-    2.82      15.2 +/-    2.82  0.050 / 0.070
G10     238.6          17.0               10.7 +/-    2.51      25.4 +/-    2.51  0.050 / 0.070
G13     69.6           34.8                9.0 +/-    1.77      14.3 +/-    1.77  0.060 / 0.110
G15     117.9          54.8                9.8 +/-    0.30      11.7 +/-    0.30  0.070 / 0.100
G16     310.7          13.6                6.5 +/-    1.90      16.7 +/-    1.90  0.030 / 0.050
G20     252.2          40.1                9.6 +/-    1.61      13.9 +/-    1.61  0.030 / 0.040
G21     316.8          48.8                8.5 +/-    0.80      10.9 +/-    0.80  0.100 / 0.180
G26     283.6          19.7                6.7 +/-    1.43      14.8 +/-    1.43  0.100 / 0.170
G29     156.1          67.7                8.7 +/-    0.36       9.3 +/-    0.36  0.140 / 0.360