PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-22:42:40
G02     335.9          79.6               11.4 +/-    0.49      11.5 +/-    0.49  0.030 / 0.040
G05     164.2          32.5               16.9 +/-    0.83      28.1 +/-    0.83  0.040 / 0.040
G06     41.5           40.7               10.9 +/-    0.92      15.6 +/-    0.92  0.100 / 0.220
G12     313.3          70.9               12.9 +/-    0.83      13.6 +/-    0.83  0.100 / 0.220
G17     84.0           14.2               11.4 +/-    2.09      28.9 +/-    2.09  0.070 / 0.160
G19     72.4           29.9               12.5 +/-    1.00      21.9 +/-    1.00  0.080 / 0.170
G24     229.2          23.7               18.9 +/-    2.61      38.0 +/-    2.61  0.050 / 0.110
G25     317.5          26.9               10.9 +/-    1.20      20.4 +/-    1.20  0.050 / 0.100