PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-21:57:40
G08     297.4          21.9                9.4 +/-    1.19      19.8 +/-    1.19  0.060 / 0.150
G10     8.2            62.7                9.5 +/-    0.51      10.5 +/-    0.51  0.060 / 0.110
G14     227.6          42.4               14.1 +/-    0.91      19.8 +/-    0.91  0.050 / 0.090
G20     64.7           52.0               11.2 +/-    0.99      13.8 +/-    0.99  0.050 / 0.100
G21     146.1          42.8               13.2 +/-    0.91      18.4 +/-    0.91  0.050 / 0.100
G24     58.7           27.0                7.8 +/-    1.00      14.5 +/-    1.00  0.050 / 0.100
G27     256.2          32.9               12.6 +/-    1.12      20.9 +/-    1.12  0.090 / 0.210
G32     242.4          67.2               12.3 +/-    0.70      13.2 +/-    0.70  0.070 / 0.230