PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-17:58:00
G01     320.2          15.9                6.9 +/-    3.07      16.8 +/-    3.07  0.150 / 0.370
G08     261.6          16.2                9.1 +/-    2.01      22.1 +/-    2.01  0.160 / 0.380
G10     72.7           54.0                8.6 +/-    0.71      10.3 +/-    0.71  0.040 / 0.060
G11     310.6          17.1                6.9 +/-    1.65      16.4 +/-    1.65  0.040 / 0.070
G14     271.4          65.6                7.7 +/-    0.84       8.3 +/-    0.84  0.200 / 0.410
G20     102.1          29.8               10.4 +/-    1.16      18.2 +/-    1.16  0.180 / 0.310
G27     227.6          12.7               10.1 +/-    5.24      26.5 +/-    5.24  0.170 / 0.370
G31     177.4          35.4               11.6 +/-    1.16      18.2 +/-    1.16  0.140 / 0.390
G32     0.4            70.6                8.9 +/-    0.58       9.4 +/-    0.58  0.030 / 0.040