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                8.7 +/-    1.74      10.5 +/-    1.74  0.080 / 0.080
G15     45.7           25.5                8.3 +/-    1.57      16.0 +/-    1.57  0.090 / 0.070
G20     359.3          65.0                9.3 +/-    0.94      10.1 +/-    0.94  0.040 / 0.040
G21     95.6           73.8               10.1 +/-    0.26      10.5 +/-    0.26  0.040 / 0.040
G24     99.8           26.6               10.1 +/-    1.08      19.0 +/-    1.08  0.060 / 0.050
G27     301.0          34.4                5.9 +/-    1.72       9.5 +/-    1.72  0.080 / 0.070
G32     209.5          33.1               11.4 +/-    2.04      18.7 +/-    2.04  0.100 / 0.160