PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-15:12:50
G05     51.6           11.4                5.8 +/-    3.70      15.8 +/-    3.70  0.460 / 0.210
G10     241.1          17.1                8.0 +/-    1.69      19.0 +/-    1.69  0.330 / 0.270
G13     67.8           36.0                6.1 +/-    1.03       9.5 +/-    1.03  0.050 / 0.050
G15     108.8          55.8                8.3 +/-    1.05       9.8 +/-    1.05  0.030 / 0.030
G16     311.6          12.1                4.8 +/-    3.62      12.7 +/-    3.62  0.120 / 0.140
G18     254.2          49.5               10.8 +/-    4.91      13.7 +/-    4.91  0.170 / 0.170
G20     30.8           62.0                7.6 +/-    0.63       8.5 +/-    0.63  0.060 / 0.080
G21     325.9          55.9                7.0 +/-    0.76       8.2 +/-    0.76  0.060 / 0.090
G26     282.6          18.8                6.2 +/-    0.72      14.1 +/-    0.72  0.040 / 0.050
G29     157.7          59.1               10.0 +/-    0.54      11.5 +/-    0.54  0.030 / 0.040