PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-19:57:40
G02     200.8          23.4               14.5 +/-    2.91      29.4 +/-    2.91  0.090 / 0.170
G06     167.7          58.1               12.4 +/-    0.56      14.3 +/-    0.56  0.120 / 0.190
G13     225.2          11.2               13.1 +/-    3.09      35.5 +/-    3.09  0.180 / 0.250
G17     22.2           59.2               11.8 +/-    0.70      13.5 +/-    0.70  0.220 / 0.320
G19     325.3          70.2               10.9 +/-    0.39      11.5 +/-    0.39  0.050 / 0.040
G24     307.7          32.0               10.0 +/-    1.37      16.9 +/-    1.37  0.030 / 0.040
G28     91.2           38.0               12.4 +/-    0.94      18.6 +/-    0.94  0.030 / 0.030
G30     157.4          11.9               12.5 +/-    3.35      33.6 +/-    3.35  0.030 / 0.030