PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-17:12:50
G01     106.9          25.7               13.0 +/-    0.52      25.1 +/-    0.52  0.060 / 0.140
G07     107.0          58.5               15.4 +/-    0.37      17.7 +/-    0.37  0.070 / 0.160
G08     42.1           21.5               11.5 +/-    1.00      24.3 +/-    1.00  0.030 / 0.040
G09     174.6          13.2               14.5 +/-    1.54      37.6 +/-    1.54  0.030 / 0.050
G11     89.3           43.0               13.8 +/-    0.49      19.2 +/-    0.49  0.060 / 0.080
G13     309.5          28.7               12.7 +/-    1.44      22.9 +/-    1.44  0.050 / 0.090
G17     206.6          35.9               16.2 +/-    0.96      25.2 +/-    0.96  0.030 / 0.040
G18     80.4           24.4               13.4 +/-    0.92      26.5 +/-    0.92  0.020 / 0.030
G28     318.5          61.0               13.6 +/-    0.60      15.3 +/-    0.60  0.040 / 0.060
G30     26.0           78.2               15.6 +/-    0.87      15.9 +/-    0.87  0.040 / 0.060