PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-20:27:30
G02     200.2          20.6               18.3 +/-    2.02      39.6 +/-    2.02  0.090 / 0.130
G06     169.6          54.5               14.0 +/-    1.21      16.8 +/-    1.21  0.120 / 0.140
G13     227.5          13.2               18.9 +/-    4.75      49.1 +/-    4.75  0.140 / 0.360
G17     17.6           61.9               12.6 +/-    0.66      14.0 +/-    0.66  0.160 / 0.390
G19     315.9          70.7               12.2 +/-    0.80      12.8 +/-    0.80  0.040 / 0.080
G24     310.0          29.8               11.1 +/-    1.77      19.6 +/-    1.77  0.060 / 0.080
G28     87.8           39.8               12.4 +/-    0.44      18.1 +/-    0.44  0.020 / 0.040
G30     157.0          14.5               13.8 +/-    1.00      34.8 +/-    1.00  0.030 / 0.040