PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-20:12:30
G02     264.4          79.3               14.3 +/-    0.46      14.5 +/-    0.46  0.150 / 0.140
G05     169.1          22.1               20.5 +/-    5.55      42.9 +/-    5.55  0.090 / 0.140
G06     40.2           50.3               14.2 +/-    0.61      17.9 +/-    0.61  0.140 / 0.180
G12     321.3          61.6               12.7 +/-    0.89      14.3 +/-    0.89  0.160 / 0.150
G17     76.0           19.0               12.9 +/-    1.85      29.1 +/-    1.85  0.030 / 0.030
G19     61.7           36.8               12.6 +/-    0.85      19.4 +/-    0.85  0.030 / 0.050
G24     237.6          30.7               16.1 +/-    1.80      27.7 +/-    1.80  0.050 / 0.040
G25     317.5          18.0               13.7 +/-    2.41      31.8 +/-    2.41  0.040 / 0.040