PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-21:12:40
G02     240.0          75.2               10.7 +/-    0.64      11.0 +/-    0.64  0.180 / 0.400
G05     171.4          15.8               14.5 +/-    1.86      35.5 +/-    1.86  0.180 / 0.430
G06     40.5           60.6                9.9 +/-    0.71      11.2 +/-    0.71  0.070 / 0.120
G12     320.8          48.5                8.7 +/-    0.91      11.2 +/-    0.91  0.080 / 0.110
G17     69.4           23.4                9.2 +/-    0.81      18.7 +/-    0.81  0.030 / 0.040
G19     56.4           38.4                9.1 +/-    0.67      13.6 +/-    0.67  0.030 / 0.040
G24     245.8          35.1               13.2 +/-    0.71      20.9 +/-    0.71  0.030 / 0.060
G25     316.1          11.2               -4.6 +/-   37.43     -12.6 +/-   37.43  0.040 / 0.060