PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/17-00:27:50
G08     317.7          14.0                6.1 +/-    1.22      15.5 +/-    1.22  0.040 / 0.090
G10     311.0          55.8                8.1 +/-    0.73       9.6 +/-    0.73  0.040 / 0.070
G14     213.0          18.6               11.1 +/-    2.61      25.3 +/-    2.61  0.030 / 0.050
G15     45.8           23.7                5.6 +/-    0.54      11.4 +/-    0.54  0.040 / 0.050
G20     305.7          52.1                7.0 +/-    0.45       8.6 +/-    0.45  0.130 / 0.710
G21     117.2          69.0                8.8 +/-    1.09       9.3 +/-    1.09  0.130 / 0.450
G24     86.0           28.7                6.7 +/-    0.80      12.1 +/-    0.80  0.100 / 0.230
G27     290.6          36.9                7.7 +/-    1.17      11.8 +/-    1.17  0.090 / 0.250
G32     214.5          42.5               10.1 +/-    1.05      14.1 +/-    1.05  0.070 / 0.100