PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-00:57:40
G02     63.6           29.4                7.3 +/-    0.58      12.9 +/-    0.58  0.030 / 0.040
G05     52.0           55.7                7.5 +/-    0.40       8.9 +/-    0.40  0.030 / 0.040
G12     182.9          26.5               13.8 +/-    1.37      26.0 +/-    1.37  0.140 / 0.280
G13     124.3          18.5               13.5 +/-    1.59      30.9 +/-    1.59  0.180 / 0.280
G15     161.7          15.7               18.8 +/-    1.79      46.1 +/-    1.79  0.050 / 0.120
G21     275.0          19.7                7.0 +/-    4.11      15.5 +/-    4.11  0.080 / 0.140
G25     230.7          48.3               10.6 +/-    2.48      13.7 +/-    2.48  0.110 / 0.500
G29     330.6          58.3                7.9 +/-    0.65       9.1 +/-    0.65  0.120 / 0.430