PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-18:27:40
G10     274.2          41.6               10.1 +/-    1.43      14.4 +/-    1.43  0.110 / 0.110
G13     39.8           14.3                9.4 +/-    3.20      23.7 +/-    3.20  0.200 / 0.130
G15     52.7           42.5                9.3 +/-    0.75      13.0 +/-    0.75  0.030 / 0.030
G18     319.2          66.7               10.2 +/-    0.56      11.0 +/-    0.56  0.040 / 0.040
G20     58.5           31.1                8.6 +/-    1.23      14.8 +/-    1.23  0.100 / 0.140
G21     38.9           75.6               10.7 +/-    0.57      11.0 +/-    0.57  0.110 / 0.130
G24     115.9          17.8               11.9 +/-    2.30      27.6 +/-    2.30  0.060 / 0.090
G27     314.2          25.1                8.5 +/-    2.14      16.5 +/-    2.14  0.120 / 0.110
G29     166.0          19.0               11.7 +/-    1.51      26.3 +/-    1.51  0.120 / 0.310
G32     206.1          13.6               11.0 +/-    2.41      28.2 +/-    2.41  0.200 / 0.330