PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/16-12:57:50
G01     220.3          10.9                5.4 +/-    1.91      14.8 +/-    1.91  0.080 / 0.150
G03     255.2          70.6                7.3 +/-    1.03       7.7 +/-    1.03  0.090 / 0.180
G09     299.4          13.3                4.9 +/-   11.08      12.6 +/-   11.08  0.040 / 0.040
G14     92.5           22.7                6.5 +/-    1.58      13.4 +/-    1.58  0.030 / 0.040
G16     134.3          54.2                9.1 +/-    0.62      10.9 +/-    0.62  0.150 / 0.410
G22     193.7          59.6                8.2 +/-    0.43       9.4 +/-    0.43  0.160 / 0.300
G23     317.4          47.8                6.4 +/-    1.19       8.3 +/-    1.19  0.040 / 0.030
G26     77.5           52.8                6.8 +/-    0.92       8.3 +/-    0.92  0.050 / 0.030
G31     49.6           22.8                5.1 +/-    1.74      10.5 +/-    1.74  0.050 / 0.060