PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-22:12:40
G01     314.0          26.6                7.4 +/-    1.05      14.0 +/-    1.05  0.160 / 0.180
G10     94.7           47.3                8.9 +/-    0.64      11.6 +/-    0.64  0.120 / 0.160
G11     292.2          27.4                6.3 +/-    1.34      11.7 +/-    1.34  0.110 / 0.140
G14     334.5          70.3                8.5 +/-    0.43       9.0 +/-    0.43  0.110 / 0.170
G18     110.9          20.4                8.9 +/-    1.36      19.4 +/-    1.36  0.120 / 0.330
G22     305.5          17.6                7.2 +/-    2.31      16.7 +/-    2.31  0.160 / 0.310
G25     90.3           13.2                9.9 +/-    2.34      25.7 +/-    2.34  0.040 / 0.050
G31     176.8          51.4               11.4 +/-    0.63      14.1 +/-    0.63  0.040 / 0.040
G32     21.6           60.9                8.9 +/-    0.60      10.0 +/-    0.60  0.040 / 0.040