PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-12:27:40
G03     252.1          70.3                8.8 +/-    1.35       9.3 +/-    1.35  0.090 / 0.220
G09     300.2          14.3                3.8 +/-    1.66       9.6 +/-    1.66  0.100 / 0.200
G14     93.6           21.8                6.4 +/-    1.06      13.5 +/-    1.06  0.030 / 0.030
G16     132.3          55.3                9.6 +/-    0.48      11.4 +/-    0.48  0.040 / 0.040
G22     193.6          58.7                9.0 +/-    0.53      10.3 +/-    0.53  0.040 / 0.030
G23     318.0          48.3                6.0 +/-    0.74       7.8 +/-    0.74  0.040 / 0.040
G26     75.4           52.4                6.8 +/-    1.19       8.4 +/-    1.19  0.050 / 0.110
G31     50.2           21.8                5.8 +/-    2.54      12.3 +/-    2.54  0.060 / 0.090