PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/17-02:12:50
G10     295.7          51.2               12.3 +/-    2.42      15.3 +/-    2.42  0.060 / 0.080
G15     46.7           31.4                7.9 +/-    1.18      13.4 +/-    1.18  0.050 / 0.080
G20     315.9          60.0               11.8 +/-    0.51      13.4 +/-    0.51  0.050 / 0.040
G21     90.0           75.6               12.0 +/-    0.56      12.4 +/-    0.56  0.040 / 0.030
G24     97.5           25.9               11.0 +/-    1.31      21.1 +/-    1.31  0.060 / 0.130
G27     301.7          33.7                9.7 +/-    1.77      15.7 +/-    1.77  0.060 / 0.140
G32     209.7          32.6               16.4 +/-    1.62      27.3 +/-    1.62  0.080 / 0.070