PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/15-03:43:00
G08     295.1          22.8               10.3 +/-    1.09      21.2 +/-    1.09  0.060 / 0.110
G10     4.0            62.9                8.8 +/-    1.36       9.7 +/-    1.36  0.080 / 0.110
G14     228.3          42.5               10.4 +/-    1.62      14.5 +/-    1.62  0.040 / 0.070
G20     41.4           62.6               10.1 +/-    0.78      11.2 +/-    0.78  0.050 / 0.070
G21     145.9          42.9               10.2 +/-    0.88      14.2 +/-    0.88  0.090 / 0.090
G24     56.6           25.5                8.2 +/-    3.16      15.9 +/-    3.16  0.060 / 0.070
G27     256.2          32.4                9.5 +/-    2.75      15.8 +/-    2.75  0.080 / 0.150
G32     244.4          68.4                8.4 +/-    0.55       8.9 +/-    0.55  0.150 / 0.110