PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/04-18:13:10
G01     319.8          17.3                8.1 +/-    2.85      19.0 +/-    2.85  0.230 / 0.400
G08     260.2          15.4                9.0 +/-    2.31      22.1 +/-    2.31  0.200 / 0.390
G10     75.3           53.2                8.4 +/-    0.64      10.2 +/-    0.64  0.030 / 0.050
G11     309.3          18.1                6.1 +/-    2.18      14.1 +/-    2.18  0.040 / 0.050
G14     275.2          66.4                9.7 +/-    1.01      10.5 +/-    1.01  0.130 / 0.430
G20     103.6          28.7                9.0 +/-    1.37      16.1 +/-    1.37  0.160 / 0.350
G27     226.4          11.6                9.6 +/-    2.03      25.8 +/-    2.03  0.050 / 0.080
G31     177.0          37.3                8.7 +/-    0.81      13.3 +/-    0.81  0.050 / 0.060
G32     4.1            69.4                7.5 +/-    0.47       8.0 +/-    0.47  0.030 / 0.030