PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-13:28:00
G01     53.5           27.4                9.0 +/-    2.61      16.7 +/-    2.61  0.060 / 0.110
G06     179.1          20.8               11.3 +/-    2.19      24.4 +/-    2.19  0.080 / 0.120
G07     144.6          13.8               13.0 +/-    2.96      33.2 +/-    2.96  0.110 / 0.370
G11     45.2           16.2               10.5 +/-    2.65      25.3 +/-    2.65  0.100 / 0.210
G13     257.4          32.3                9.3 +/-    1.27      15.6 +/-    1.27  0.040 / 0.050
G15     289.3          15.9                8.5 +/-    1.23      20.7 +/-    1.23  0.050 / 0.040
G17     306.5          79.9               10.1 +/-    0.75      10.2 +/-    0.75  0.030 / 0.020
G19     241.9          58.7               10.5 +/-    1.54      12.0 +/-    1.54  0.030 / 0.020
G28     46.9           54.2               11.2 +/-    0.72      13.5 +/-    0.72  0.090 / 0.210
G30     147.6          47.2               11.7 +/-    1.52      15.3 +/-    1.52  0.090 / 0.230