PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-03:28:10
G10     302.7          53.5                8.7 +/-    1.09      10.6 +/-    1.09  0.130 / 0.590
G14     211.7          12.3                6.9 +/-   22.15      18.3 +/-   22.15  0.250 / 0.580
G15     45.9           26.5                5.8 +/-    1.92      10.9 +/-    1.92  0.100 / 0.110
G20     346.7          65.0                9.3 +/-    0.77      10.2 +/-    0.77  0.090 / 0.080
G21     105.6          72.6                9.7 +/-    1.05      10.1 +/-    1.05  0.030 / 0.030
G24     92.6           27.6                8.7 +/-    1.39      16.1 +/-    1.39  0.040 / 0.030
G27     296.4          35.6               10.1 +/-    3.07      15.9 +/-    3.07  0.080 / 0.100
G32     211.9          37.4               12.3 +/-    1.32      18.8 +/-    1.32  0.080 / 0.120