PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-03:12:30
G07     336.2          59.5                7.4 +/-    0.76       8.4 +/-    0.76  0.040 / 0.050
G08     95.9           51.9               10.0 +/-    0.32      12.3 +/-    0.32  0.040 / 0.050
G09     180.3          69.2                9.1 +/-    1.22       9.7 +/-    1.22  0.080 / 0.110
G11     147.2          14.4                7.5 +/-    3.42      18.8 +/-    3.42  0.070 / 0.110
G23     156.2          40.3               12.2 +/-    0.69      17.6 +/-    0.69  0.040 / 0.080
G27     53.7           30.7                6.3 +/-    0.72      10.8 +/-    0.72  0.050 / 0.080
G28     236.1          23.0               10.1 +/-    2.19      20.7 +/-    2.19  0.150 / 0.460
G30     301.3          33.5                7.3 +/-    1.59      11.8 +/-    1.59  0.160 / 0.500