PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-21:27:50
G01     253.5          36.8                9.5 +/-    1.07      14.6 +/-    1.07  0.030 / 0.040
G03     316.4          41.2               10.0 +/-    1.94      14.3 +/-    1.94  0.030 / 0.040
G11     237.6          12.9                9.9 +/-    4.18      26.0 +/-    4.18  0.170 / 0.520
G14     58.2           41.7                8.8 +/-    0.70      12.5 +/-    0.70  0.140 / 0.450
G16     164.3          15.8               13.3 +/-    1.63      32.3 +/-    1.63  0.050 / 0.090
G22     307.3          63.5                8.8 +/-    1.05       9.7 +/-    1.05  0.060 / 0.090
G23     284.2          16.3               10.9 +/-    2.69      26.3 +/-    2.69  0.060 / 0.080
G26     140.6          35.4               16.1 +/-    1.39      25.3 +/-    1.39  0.070 / 0.080
G31     41.6           64.4                9.1 +/-    0.92      10.0 +/-    0.92  0.060 / 0.100
G32     75.0           24.8                9.8 +/-    0.54      19.3 +/-    0.54  0.050 / 0.100