PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/01-22:12:40
G01     219.8          12.8               11.3 +/-    1.99      29.6 +/-    1.99  0.040 / 0.050
G03     275.6          69.4                8.0 +/-    0.67       8.5 +/-    0.67  0.040 / 0.040
G09     298.5          15.0                8.0 +/-    1.47      19.8 +/-    1.47  0.090 / 0.190
G14     88.8           24.8                9.1 +/-    1.18      17.9 +/-    1.18  0.080 / 0.250
G16     138.1          50.2               11.6 +/-    1.11      14.6 +/-    1.11  0.080 / 0.110
G22     209.7          66.0                8.8 +/-    1.25       9.6 +/-    1.25  0.070 / 0.100
G23     311.2          41.0                8.3 +/-    0.68      11.9 +/-    0.68  0.030 / 0.040
G26     87.3           54.4                8.2 +/-    1.09       9.9 +/-    1.09  0.050 / 0.040
G31     47.7           27.6                5.4 +/-    1.78       9.9 +/-    1.78  0.070 / 0.090