PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-22:27:50
G01     235.6          25.8               11.2 +/-    1.13      21.5 +/-    1.13  0.090 / 0.140
G03     308.3          57.9                5.3 +/-    1.19       6.1 +/-    1.19  0.090 / 0.150
G14     75.7           31.1                8.1 +/-    0.72      13.9 +/-    0.72  0.110 / 0.160
G16     155.4          32.6               10.7 +/-    0.88      17.9 +/-    0.88  0.110 / 0.170
G22     263.7          75.0                8.5 +/-    0.64       8.7 +/-    0.64  0.040 / 0.040
G23     297.3          27.3                7.5 +/-    2.49      13.9 +/-    2.49  0.040 / 0.040
G26     121.0          49.2               10.0 +/-    1.03      12.7 +/-    1.03  0.070 / 0.130
G31     40.8           46.2                7.1 +/-    0.68       9.4 +/-    0.68  0.070 / 0.120
G32     89.7           13.9                9.0 +/-    1.70      23.0 +/-    1.70  0.040 / 0.040