PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-21:42:40
G01     271.9          41.0                9.8 +/-    2.08      14.0 +/-    2.08  0.080 / 0.050
G03     315.6          28.6                6.7 +/-    2.08      12.1 +/-    2.08  0.060 / 0.050
G10     129.3          18.2                9.6 +/-    1.68      22.1 +/-    1.68  0.030 / 0.020
G11     251.6          21.1                9.7 +/-    2.81      20.8 +/-    2.81  0.030 / 0.020
G14     42.8           50.3                7.0 +/-    0.78       8.9 +/-    0.78  0.130 / 0.140
G22     314.2          50.3                7.4 +/-    1.01       9.3 +/-    1.01  0.230 / 0.150
G25     52.7           16.9                6.0 +/-    1.80      14.2 +/-    1.80  0.050 / 0.060
G26     150.4          23.4               10.0 +/-    0.96      20.2 +/-    0.96  0.040 / 0.050
G31     59.9           76.9                9.0 +/-    0.65       9.2 +/-    0.65  0.050 / 0.060
G32     62.9           33.8                6.3 +/-    1.51      10.2 +/-    1.51  0.040 / 0.060