PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-19:58:10
G02     199.9          16.7               23.4 +/-    3.06      55.9 +/-    3.06  0.080 / 0.190
G06     171.1          50.3               16.3 +/-    0.82      20.5 +/-    0.82  0.110 / 0.170
G13     230.3          15.8               17.4 +/-    2.61      42.3 +/-    2.61  0.030 / 0.050
G17     12.6           64.7               13.2 +/-    1.11      14.5 +/-    1.11  0.030 / 0.040
G19     302.3          70.6               14.5 +/-    0.94      15.2 +/-    0.94  0.110 / 0.320
G24     312.3          27.0               11.6 +/-    1.88      21.6 +/-    1.88  0.100 / 0.310
G28     83.3           41.9               14.6 +/-    0.63      20.6 +/-    0.63  0.150 / 0.200
G30     156.5          18.3               20.0 +/-    2.51      45.9 +/-    2.51  0.080 / 0.190