PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/19-02:42:40
G08     313.2          17.0                7.8 +/-    1.19      18.5 +/-    1.19  0.050 / 0.050
G10     323.8          58.6                9.4 +/-    0.61      10.8 +/-    0.61  0.060 / 0.060
G14     216.1          24.4               12.1 +/-    2.10      24.0 +/-    2.10  0.040 / 0.070
G15     46.2           16.4                6.2 +/-    2.48      14.9 +/-    2.48  0.030 / 0.050
G20     349.7          64.5               18.7 +/-    1.03      20.5 +/-    1.03  0.290 / 0.250
G21     129.1          62.3               11.0 +/-    0.54      12.2 +/-    0.54  0.180 / 0.280
G24     77.9           29.6                8.3 +/-    0.93      14.6 +/-    0.93  0.080 / 0.100
G27     280.8          37.7                7.6 +/-    1.67      11.4 +/-    1.67  0.270 / 0.360
G32     219.5          49.9               10.8 +/-    1.84      13.6 +/-    1.84  0.120 / 0.260