PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-15:27:20
G10     303.0          54.4                6.7 +/-    1.40       8.1 +/-    1.40  0.070 / 0.090
G15     45.4           22.7                4.0 +/-    2.59       8.3 +/-    2.59  0.120 / 0.090
G20     6.2            64.5                8.3 +/-    0.51       9.1 +/-    0.51  0.040 / 0.040
G21     103.8          71.8                8.8 +/-    0.40       9.2 +/-    0.40  0.040 / 0.040
G24     97.0           27.6                9.9 +/-    0.80      18.2 +/-    0.80  0.070 / 0.120
G27     298.2          35.5                7.4 +/-    1.85      11.7 +/-    1.85  0.070 / 0.110
G32     210.5          35.8                9.5 +/-    1.08      14.9 +/-    1.08  0.100 / 0.190