PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-15:12:50
G01     114.6          21.1               10.2 +/-    1.16      21.8 +/-    1.16  0.030 / 0.050
G07     92.3           63.9                9.0 +/-    0.99       9.9 +/-    0.99  0.030 / 0.040
G08     43.3           27.4                6.9 +/-    1.31      12.8 +/-    1.31  0.030 / 0.040
G09     175.5          20.0               10.6 +/-    1.18      23.2 +/-    1.18  0.030 / 0.040
G11     99.8           41.6                9.8 +/-    1.16      13.8 +/-    1.16  0.130 / 0.180
G13     315.0          23.4                8.0 +/-    1.81      16.3 +/-    1.81  0.100 / 0.220
G17     203.3          28.9               10.7 +/-    1.52      19.1 +/-    1.52  0.120 / 0.150
G18     88.8           22.6                7.1 +/-    1.87      14.8 +/-    1.87  0.120 / 0.180
G28     302.3          59.1                8.8 +/-    0.87      10.0 +/-    0.87  0.090 / 0.200
G30     356.1          72.6                9.3 +/-    0.65       9.7 +/-    0.65  0.090 / 0.240