PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-03:28:10
G08     313.2          16.9                8.5 +/-    1.21      20.1 +/-    1.21  0.210 / 0.360
G10     324.5          58.7                8.4 +/-    0.71       9.6 +/-    0.71  0.210 / 0.370
G14     216.4          24.4               14.2 +/-    1.94      28.0 +/-    1.94  0.060 / 0.060
G15     46.2           15.6                5.2 +/-    1.79      12.8 +/-    1.79  0.050 / 0.060
G20     7.1            64.9               11.3 +/-    0.94      12.3 +/-    0.94  0.050 / 0.040
G21     129.7          61.8                9.8 +/-    0.42      11.0 +/-    0.42  0.040 / 0.050
G24     77.5           29.7                7.5 +/-    0.85      13.2 +/-    0.85  0.090 / 0.100
G27     280.1          37.7                9.5 +/-    2.11      14.4 +/-    2.11  0.080 / 0.080
G32     219.9          50.3               11.6 +/-    1.81      14.6 +/-    1.81  0.140 / 0.300