PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-00:42:30
G10     295.7          51.3               11.6 +/-    2.25      14.4 +/-    2.25  0.050 / 0.100
G15     46.8           32.2                8.3 +/-    1.67      14.0 +/-    1.67  0.050 / 0.070
G20     298.2          50.7                9.9 +/-    0.58      12.3 +/-    0.58  0.040 / 0.040
G21     89.6           75.7               11.6 +/-    0.60      11.9 +/-    0.60  0.040 / 0.030
G24     97.2           25.9               11.7 +/-    1.16      22.4 +/-    1.16  0.070 / 0.110
G27     301.9          33.6                8.4 +/-    2.22      13.7 +/-    2.22  0.080 / 0.120
G32     209.7          32.6               13.5 +/-    1.60      22.5 +/-    1.60  0.080 / 0.120