PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-21:12:30
G02     219.6          63.7               16.8 +/-    1.14      18.5 +/-    1.14  0.070 / 0.090
G06     49.6           69.8               13.5 +/-    0.40      14.3 +/-    0.40  0.070 / 0.090
G12     320.1          41.1               12.4 +/-    1.17      17.7 +/-    1.17  0.040 / 0.100
G17     59.5           31.6               11.1 +/-    1.17      18.9 +/-    1.17  0.050 / 0.100
G19     41.5           48.4               12.3 +/-    0.36      15.8 +/-    0.36  0.160 / 0.510
G24     259.6          40.6               16.5 +/-    0.52      23.7 +/-    0.52  0.150 / 0.470
G28     125.1          10.7               13.3 +/-    4.44      36.4 +/-    4.44  0.040 / 0.060