PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-14:27:50
G01     274.1          41.9                5.2 +/-    1.66       7.3 +/-    1.66  0.040 / 0.080
G03     315.8          30.1                7.7 +/-    1.98      13.5 +/-    1.98  0.040 / 0.070
G10     127.9          18.2                8.3 +/-    2.14      19.2 +/-    2.14  0.100 / 0.230
G11     251.7          20.8                9.3 +/-    2.42      19.9 +/-    2.42  0.090 / 0.260
G14     41.0           51.0                6.5 +/-    1.26       8.1 +/-    1.26  0.040 / 0.070
G18     232.9          40.4               10.1 +/-    1.75      14.5 +/-    1.75  0.050 / 0.060
G22     314.8          52.6                6.1 +/-    1.09       7.4 +/-    1.09  0.140 / 0.280
G25     53.4           16.1                5.9 +/-    1.64      14.2 +/-    1.64  0.130 / 0.330
G31     69.7           78.6                6.9 +/-    0.66       7.0 +/-    0.66  0.050 / 0.100
G32     58.9           37.7                5.5 +/-    1.28       8.3 +/-    1.28  0.040 / 0.070