PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-23:58:10
G02     82.7           14.9               12.6 +/-    2.18      31.4 +/-    2.18  0.030 / 0.020
G05     44.7           32.9                9.0 +/-    0.80      14.8 +/-    0.80  0.020 / 0.020
G13     99.8           32.8               12.7 +/-    0.76      21.0 +/-    0.76  0.070 / 0.080
G15     147.6          36.6               14.2 +/-    1.17      21.8 +/-    1.17  0.080 / 0.070
G20     232.9          13.7               10.8 +/-    2.73      27.7 +/-    2.73  0.110 / 0.140
G21     295.6          34.4               10.5 +/-    1.19      16.8 +/-    1.19  0.140 / 0.150
G25     209.4          26.6               13.9 +/-    1.03      26.3 +/-    1.03  0.110 / 0.140
G26     304.9          19.0                8.8 +/-    1.04      19.8 +/-    1.04  0.110 / 0.150
G29     359.4          84.1               10.5 +/-    0.52      10.6 +/-    0.52  0.070 / 0.130