PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/05-21:42:50
G01     124.2          13.4               13.1 +/-    2.63      33.8 +/-    2.63  0.130 / 0.090
G07     72.7           66.0               12.0 +/-    0.68      13.0 +/-    0.68  0.130 / 0.090
G08     47.5           35.3               10.3 +/-    0.94      16.3 +/-    0.94  0.070 / 0.090
G09     178.0          33.4               12.5 +/-    1.43      20.5 +/-    1.43  0.090 / 0.090
G11     112.7          37.6               12.7 +/-    0.73      19.2 +/-    0.73  0.030 / 0.030
G13     320.0          14.9               10.4 +/-    3.20      26.0 +/-    3.20  0.030 / 0.040
G17     199.3          19.6               10.8 +/-    2.65      23.9 +/-    2.65  0.110 / 0.430
G18     97.3           18.0               11.7 +/-    2.16      27.0 +/-    2.16  0.110 / 0.320
G28     276.9          51.9               12.1 +/-    2.93      14.9 +/-    2.93  0.090 / 0.210
G30     336.9          63.4               11.1 +/-    0.49      12.3 +/-    0.49  0.100 / 0.230