PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/18-20:27:40
G07     47.1           68.2               12.3 +/-    0.91      13.1 +/-    0.91  0.030 / 0.030
G08     55.2           43.0               11.5 +/-    1.61      15.9 +/-    1.61  0.030 / 0.030
G09     179.4          44.1               12.3 +/-    1.11      16.8 +/-    1.11  0.110 / 0.310
G11     123.2          32.1               12.1 +/-    1.18      20.3 +/-    1.18  0.210 / 0.310
G18     106.7          13.4               12.1 +/-    1.04      31.4 +/-    1.04  0.090 / 0.120
G23     160.9          14.8               13.3 +/-    1.93      33.3 +/-    1.93  0.080 / 0.100
G27     39.1           14.3                8.3 +/-    2.78      21.1 +/-    2.78  0.030 / 0.050
G28     263.1          45.9               12.0 +/-    3.00      16.0 +/-    3.00  0.040 / 0.040
G30     326.2          55.7               11.5 +/-    0.37      13.6 +/-    0.37  0.050 / 0.060