PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/06-23:57:40
G01     88.1           32.3                8.7 +/-    1.21      14.6 +/-    1.21  0.050 / 0.050
G07     127.1          44.3               11.5 +/-    1.00      15.7 +/-    1.00  0.050 / 0.040
G11     69.7           40.9                8.1 +/-    1.12      11.6 +/-    1.12  0.090 / 0.100
G13     293.2          36.1                9.1 +/-    2.13      14.1 +/-    2.13  0.080 / 0.090
G15     313.6          11.3                4.9 +/-   14.36      13.3 +/-   14.36  0.040 / 0.050
G17     216.4          52.9               11.0 +/-    0.96      13.4 +/-    0.96  0.040 / 0.050
G19     215.5          28.8               12.2 +/-    1.41      21.9 +/-    1.41  0.090 / 0.110
G28     354.0          61.5                7.7 +/-    0.89       8.6 +/-    0.89  0.080 / 0.090
G30     113.8          71.0               10.3 +/-    0.45      10.8 +/-    0.45  0.060 / 0.050