PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-17:58:00
G01     74.2           33.3                9.5 +/-    0.89      15.6 +/-    0.89  0.070 / 0.220
G07     135.7          33.9               11.4 +/-    1.18      18.5 +/-    1.18  0.090 / 0.250
G11     56.0           33.0                9.2 +/-    1.08      15.1 +/-    1.08  0.050 / 0.090
G13     278.1          37.8               10.2 +/-    1.86      15.4 +/-    1.86  0.060 / 0.110
G15     306.0          14.0                8.0 +/-    1.74      20.3 +/-    1.74  0.030 / 0.030
G17     228.3          64.3               11.2 +/-    0.79      12.3 +/-    0.79  0.030 / 0.030
G18     51.5           19.7                9.9 +/-    3.74      21.9 +/-    3.74  0.080 / 0.110
G19     222.1          37.4               12.3 +/-    1.37      18.7 +/-    1.37  0.220 / 0.270
G28     14.6           59.9               10.0 +/-    0.95      11.3 +/-    0.95  0.150 / 0.200
G30     132.2          64.4               10.7 +/-    0.62      11.8 +/-    0.62  0.110 / 0.230