PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-19:13:00
G01     317.8          21.2               12.2 +/-    4.09      26.1 +/-    4.09  0.030 / 0.040
G08     252.0          11.2               13.0 +/-    2.04      35.3 +/-    2.04  0.030 / 0.050
G10     85.9           50.3               15.8 +/-    0.93      19.8 +/-    0.93  0.130 / 0.320
G11     298.3          25.5               15.2 +/-    1.51      29.4 +/-    1.51  0.170 / 0.270
G14     311.1          71.5               15.0 +/-    0.89      15.7 +/-    0.89  0.100 / 0.200
G20     108.7          26.2               19.3 +/-    1.03      36.7 +/-    1.03  0.090 / 0.230
G22     302.7          12.7               13.1 +/-    3.01      34.4 +/-    3.01  0.070 / 0.060
G31     178.1          43.5               18.1 +/-    1.23      25.0 +/-    1.23  0.060 / 0.060
G32     13.0           65.2               14.1 +/-    0.61      15.3 +/-    0.61  0.130 / 0.540