PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/07-19:43:00
G02     232.8          71.6               10.6 +/-    0.59      11.1 +/-    0.59  0.030 / 0.050
G05     172.9          13.4               15.8 +/-    1.87      40.9 +/-    1.87  0.040 / 0.050
G06     41.9           60.1               10.0 +/-    0.62      11.3 +/-    0.62  0.210 / 0.210
G12     322.2          51.4                9.2 +/-    0.50      11.4 +/-    0.50  0.150 / 0.200
G17     67.9           24.8                9.6 +/-    1.56      18.8 +/-    1.56  0.040 / 0.030
G19     51.3           43.0                8.3 +/-    1.09      11.5 +/-    1.09  0.030 / 0.030
G24     247.7          36.6               11.4 +/-    1.85      17.6 +/-    1.85  0.100 / 0.080