PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-19:13:00
G01     318.5          19.7               13.0 +/-    1.57      28.7 +/-    1.57  0.200 / 0.380
G08     253.6          12.2               12.0 +/-    2.43      32.0 +/-    2.43  0.180 / 0.350
G10     83.2           51.4               13.0 +/-    0.63      16.2 +/-    0.63  0.030 / 0.040
G11     300.1          24.8               13.5 +/-    1.20      26.5 +/-    1.20  0.030 / 0.040
G14     304.9          71.4               12.3 +/-    0.50      12.9 +/-    0.50  0.080 / 0.050
G20     107.2          27.5               13.0 +/-    2.89      24.1 +/-    2.89  0.070 / 0.060
G22     301.8          11.4                9.5 +/-   16.05      25.8 +/-   16.05  0.130 / 0.500
G31     178.4          41.5               14.5 +/-    1.02      20.6 +/-    1.02  0.150 / 0.430
G32     9.8            66.5               11.4 +/-    0.69      12.3 +/-    0.69  0.160 / 0.340