PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-00:27:10
G02     50.0           40.7               11.5 +/-    0.92      16.6 +/-    0.92  0.050 / 0.070
G05     82.1           68.0               12.4 +/-    0.46      13.3 +/-    0.46  0.040 / 0.060
G12     186.3          44.7               16.1 +/-    1.61      21.9 +/-    1.61  0.030 / 0.040
G25     259.4          57.7               15.4 +/-    0.64      17.9 +/-    0.64  0.030 / 0.040
G29     319.9          42.6               15.1 +/-    1.57      21.1 +/-    1.57  0.030 / 0.050