PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-22:42:50
G01     267.6          40.4                9.4 +/-    1.47      13.6 +/-    1.47  0.040 / 0.060
G03     316.0          30.9                8.7 +/-    0.88      15.0 +/-    0.88  0.040 / 0.040
G10     131.1          15.7               11.4 +/-    3.19      27.9 +/-    3.19  0.050 / 0.080
G11     248.4          19.6                9.2 +/-    4.54      20.3 +/-    4.54  0.050 / 0.080
G14     46.7           48.2                7.6 +/-    1.28       9.8 +/-    1.28  0.030 / 0.030
G22     313.6          53.0                9.2 +/-    0.61      11.2 +/-    0.61  0.030 / 0.030
G25     49.7           15.7                6.4 +/-    2.08      15.7 +/-    2.08  0.100 / 0.120
G26     149.0          25.7               13.0 +/-    2.62      24.9 +/-    2.62  0.080 / 0.150
G31     52.5           74.9                9.2 +/-    0.49       9.5 +/-    0.49  0.080 / 0.070
G32     65.4           32.2                6.0 +/-    1.19      10.1 +/-    1.19  0.080 / 0.070