PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/22-22:57:50
G10     308.2          55.6               10.0 +/-    1.04      11.8 +/-    1.04  0.030 / 0.040
G14     211.7          15.4               14.3 +/-    2.28      35.2 +/-    2.28  0.030 / 0.030
G15     45.6           23.4                8.0 +/-    2.06      16.3 +/-    2.06  0.150 / 0.400
G20     7.1            64.5               10.5 +/-    0.68      11.5 +/-    0.68  0.180 / 0.440
G21     110.7          71.0               11.0 +/-    0.41      11.6 +/-    0.41  0.130 / 0.180
G24     92.5           28.6               10.5 +/-    1.15      18.9 +/-    1.15  0.080 / 0.150
G27     294.6          36.3               12.3 +/-    2.42      19.0 +/-    2.42  0.120 / 0.090
G32     212.7          37.4               13.4 +/-    1.52      20.4 +/-    1.52  0.120 / 0.110