PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/02-22:12:50
G10     308.3          55.6                9.8 +/-    1.01      11.6 +/-    1.01  0.040 / 0.040
G14     211.7          15.1               17.3 +/-    2.46      42.9 +/-    2.46  0.030 / 0.040
G15     45.7           23.7                8.3 +/-    2.36      16.7 +/-    2.36  0.180 / 0.470
G20     7.9            64.4               11.1 +/-    0.42      12.2 +/-    0.42  0.160 / 0.360
G21     110.8          71.0               11.2 +/-    0.50      11.7 +/-    0.50  0.070 / 0.080
G24     92.7           28.7               11.2 +/-    1.34      20.1 +/-    1.34  0.070 / 0.080
G27     294.5          36.4               13.9 +/-    1.52      21.5 +/-    1.52  0.090 / 0.110
G32     212.7          37.7               13.0 +/-    1.36      19.7 +/-    1.36  0.090 / 0.120