PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-03:28:00
G02     356.3          76.9                3.4 +/-    0.77       3.4 +/-    0.77  0.030 / 0.040
G05     162.3          35.8                8.6 +/-    0.96      13.5 +/-    0.96  0.030 / 0.040
G06     41.8           39.7                1.2 +/-    0.19       1.8 +/-    0.19  0.040 / 0.080
G12     309.6          71.6                2.7 +/-    0.36       2.8 +/-    0.36  0.040 / 0.070
G17     86.0           13.6                3.5 +/-    0.80       9.0 +/-    0.80  0.100 / 0.170
G19     76.2           26.8                3.9 +/-    0.82       7.4 +/-    0.82  0.120 / 0.160
G24     227.7          21.9                7.4 +/-    2.40      15.6 +/-    2.40  0.030 / 0.040
G25     317.2          29.2                1.6 +/-    1.32       2.8 +/-    1.32  0.030 / 0.040