PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-19:28:00
G01     320.2          15.7                7.2 +/-    1.64      17.6 +/-    1.64  0.190 / 0.440
G08     262.5          16.2                9.0 +/-    3.41      21.7 +/-    3.41  0.200 / 0.470
G10     72.6           54.1                7.8 +/-    0.48       9.3 +/-    0.48  0.200 / 0.500
G11     310.1          17.6                9.0 +/-    1.39      21.0 +/-    1.39  0.190 / 0.370
G14     270.8          65.3                7.8 +/-    0.54       8.5 +/-    0.54  0.040 / 0.060
G20     101.9          30.4                9.6 +/-    0.70      16.6 +/-    0.70  0.040 / 0.070
G21     155.9          10.4                9.1 +/-    1.72      25.2 +/-    1.72  0.190 / 0.450
G27     227.7          12.8               10.9 +/-    6.98      28.6 +/-    6.98  0.200 / 0.500
G31     176.8          36.0               10.8 +/-    0.58      16.8 +/-    0.58  0.040 / 0.040
G32     359.6          70.7                8.3 +/-    0.61       8.8 +/-    0.61  0.030 / 0.040