PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-16:27:30
G10     299.0          53.2               10.2 +/-    1.38      12.4 +/-    1.38  0.040 / 0.040
G15     45.7           25.5                8.4 +/-    1.09      16.2 +/-    1.09  0.040 / 0.050
G20     359.3          65.0               10.1 +/-    1.52      11.1 +/-    1.52  0.060 / 0.080
G21     95.6           73.8               10.7 +/-    1.38      11.1 +/-    1.38  0.050 / 0.070
G24     99.8           26.6               11.0 +/-    1.01      20.7 +/-    1.01  0.030 / 0.030
G27     301.0          34.4                8.9 +/-    2.29      14.3 +/-    2.29  0.030 / 0.030
G32     209.5          33.1               10.4 +/-    1.48      17.1 +/-    1.48  0.050 / 0.100