PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/05-01:57:40
G02     225.6          70.6                9.8 +/-    0.51      10.3 +/-    0.51  0.050 / 0.050
G05     173.7          10.6               -5.9 +/-   16.89     -16.3 +/-   16.89  0.050 / 0.050
G06     44.6           66.8                7.8 +/-    0.35       8.5 +/-    0.35  0.120 / 0.230
G12     320.6          43.6                8.1 +/-    0.44      11.2 +/-    0.44  0.150 / 0.270
G17     62.5           30.3                7.4 +/-    0.84      12.9 +/-    0.84  0.030 / 0.020
G19     48.7           44.0                8.0 +/-    1.32      10.9 +/-    1.32  0.030 / 0.030
G24     254.6          38.7               12.5 +/-    0.97      18.6 +/-    0.97  0.050 / 0.070