PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/28-20:28:10
G10     310.3          56.1               12.1 +/-    0.78      14.2 +/-    0.78  0.070 / 0.080
G14     212.2          15.2               18.0 +/-    2.55      44.4 +/-    2.55  0.060 / 0.080
G15     45.6           21.6                9.4 +/-    0.54      20.0 +/-    0.54  0.040 / 0.050
G20     12.1           64.0               14.2 +/-    0.44      15.6 +/-    0.44  0.030 / 0.040
G21     113.4          70.0               16.2 +/-    0.93      17.1 +/-    0.93  0.080 / 0.130
G24     91.8           29.0               12.6 +/-    0.69      22.5 +/-    0.69  0.080 / 0.120
G27     293.0          36.8               12.9 +/-    1.21      19.8 +/-    1.21  0.260 / 0.730
G32     213.1          39.4               13.9 +/-    1.16      20.5 +/-    1.16  0.220 / 0.610