PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/15-01:42:30
G08     320.8          10.6              -15.4 +/-   23.81     -42.4 +/-   23.81  0.070 / 0.070
G10     312.0          56.5                8.1 +/-    1.89       9.5 +/-    1.89  0.060 / 0.060
G14     212.3          18.6               11.1 +/-    2.16      25.4 +/-    2.16  0.060 / 0.050
G15     45.6           20.3                8.2 +/-    2.24      17.9 +/-    2.24  0.050 / 0.050
G20     10.9           64.2               10.3 +/-    0.62      11.3 +/-    0.62  0.030 / 0.030
G21     116.3          68.8               11.1 +/-    0.70      11.8 +/-    0.70  0.040 / 0.050
G24     89.1           29.1               10.9 +/-    0.73      19.4 +/-    0.73  0.230 / 0.480
G27     291.9          36.8               11.1 +/-    1.46      17.1 +/-    1.46  0.310 / 0.660
G32     214.2          38.6               10.4 +/-    1.20      15.5 +/-    1.20  0.320 / 0.250