PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-13:57:30
G03     188.2          14.9                9.9 +/-    3.52      24.6 +/-    3.52  0.060 / 0.100
G07     296.7          40.9                9.0 +/-    0.76      12.9 +/-    0.76  0.060 / 0.110
G08     138.0          33.1               11.7 +/-    1.42      19.3 +/-    1.42  0.040 / 0.070
G09     317.9          70.3                8.1 +/-    0.76       8.6 +/-    0.76  0.050 / 0.070
G16     41.7           30.6                7.6 +/-    0.52      13.1 +/-    0.52  0.040 / 0.060
G23     133.1          69.5               10.9 +/-    0.46      11.5 +/-    0.46  0.030 / 0.040
G27     91.1           36.0               10.1 +/-    0.52      15.7 +/-    0.52  0.120 / 0.350
G30     278.9          16.7                9.2 +/-    2.95      21.9 +/-    2.95  0.180 / 0.270