PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/17-22:42:50
G01     297.0          40.0                8.4 +/-    6.43      12.2 +/-    6.43  0.080 / 0.120
G03     309.2          10.8              -14.9 +/-   25.31     -41.0 +/-   25.31  0.120 / 0.120
G10     114.3          31.6               11.1 +/-    0.75      18.7 +/-    0.75  0.030 / 0.040
G11     274.7          25.9                9.2 +/-    2.57      17.7 +/-    2.57  0.040 / 0.080
G14     6.0            64.4                9.3 +/-    0.53      10.2 +/-    0.53  0.080 / 0.150
G22     312.5          31.2                8.1 +/-    1.31      13.9 +/-    1.31  0.070 / 0.190
G25     74.5           18.1                9.5 +/-    1.28      21.9 +/-    1.28  0.070 / 0.130
G31     148.8          74.0               10.4 +/-    0.45      10.7 +/-    0.45  0.060 / 0.120
G32     45.6           45.6                8.3 +/-    0.82      11.0 +/-    0.82  0.300 / 0.300