PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-03:13:10
G07     40.7           69.8                4.7 +/-    1.07       5.0 +/-    1.07  0.060 / 0.030
G08     53.4           41.8                3.8 +/-    1.06       5.3 +/-    1.06  0.040 / 0.040
G09     175.1          36.9                6.1 +/-    1.13       9.3 +/-    1.13  0.040 / 0.040
G11     126.5          33.7                6.7 +/-    1.11      10.9 +/-    1.11  0.040 / 0.080
G17     198.7          11.2               -6.5 +/-   12.12     -17.6 +/-   12.12  0.100 / 0.110
G23     160.8          12.0                4.5 +/-    2.02      12.0 +/-    2.02  0.090 / 0.120
G27     37.7           10.4                3.6 +/-    2.64       9.9 +/-    2.64  0.110 / 0.240
G28     262.7          43.4                6.1 +/-    2.24       8.4 +/-    2.24  0.100 / 0.290
G30     324.0          54.3                4.2 +/-    0.55       5.1 +/-    0.55  0.060 / 0.140