PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-00:43:10
G02     199.8          23.0               10.9 +/-    1.84      22.3 +/-    1.84  0.160 / 0.210
G06     171.3          54.4               11.2 +/-    0.77      13.4 +/-    0.77  0.170 / 0.210
G13     227.1          12.6                7.9 +/-    3.43      20.8 +/-    3.43  0.030 / 0.030
G17     17.2           61.9                7.3 +/-    0.67       8.1 +/-    0.67  0.040 / 0.040
G19     324.3          70.8                7.2 +/-    0.38       7.6 +/-    0.38  0.080 / 0.120
G24     309.8          29.8                8.5 +/-    1.17      14.9 +/-    1.17  0.100 / 0.110
G28     89.3           38.9                8.7 +/-    1.37      12.9 +/-    1.37  0.060 / 0.080
G30     156.4          11.7               10.2 +/-    1.36      27.4 +/-    1.36  0.060 / 0.100