PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/26-17:58:10
G01     317.8          21.2                8.3 +/-    5.36      17.8 +/-    5.36  0.150 / 0.240
G08     252.2          11.3                8.8 +/-    1.79      23.9 +/-    1.79  0.100 / 0.240
G10     85.7           50.3               12.1 +/-    0.58      15.2 +/-    0.58  0.060 / 0.040
G11     298.4          25.4                9.5 +/-    1.20      18.4 +/-    1.20  0.040 / 0.050
G14     311.1          71.5               10.3 +/-    0.75      10.8 +/-    0.75  0.030 / 0.050
G18     298.0          45.9                9.4 +/-    1.36      12.5 +/-    1.36  0.030 / 0.040
G20     108.6          26.2               14.4 +/-    0.87      27.4 +/-    0.87  0.090 / 0.240
G22     302.7          13.0                8.2 +/-    2.19      21.5 +/-    2.19  0.080 / 0.210
G31     179.0          42.3               16.4 +/-    1.72      23.0 +/-    1.72  0.140 / 0.300
G32     11.6           65.7               10.0 +/-    0.73      10.9 +/-    0.73  0.130 / 0.310