PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-02:27:40
G08     308.3          19.9                6.5 +/-    2.05      14.3 +/-    2.05  0.090 / 0.080
G10     329.5          59.5                8.4 +/-    0.85       9.6 +/-    0.85  0.060 / 0.080
G14     218.0          32.4               10.5 +/-    1.26      17.5 +/-    1.26  0.040 / 0.020
G15     46.6           13.0                7.6 +/-    2.04      20.0 +/-    2.04  0.030 / 0.020
G18     35.8           60.3                9.9 +/-    1.49      11.2 +/-    1.49  0.050 / 0.040
G21     133.5          57.2               10.5 +/-    0.44      12.2 +/-    0.44  0.040 / 0.040
G24     75.9           30.6                8.7 +/-    0.95      15.1 +/-    0.95  0.060 / 0.070
G27     273.2          37.6                9.9 +/-    2.22      15.1 +/-    2.22  0.060 / 0.080
G32     223.3          50.8               10.6 +/-    1.80      13.3 +/-    1.80  0.050 / 0.070