PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-04:12:30
G07     46.8           69.1                4.3 +/-    1.29       4.6 +/-    1.29  0.070 / 0.190
G08     51.9           40.0                4.0 +/-    1.00       5.8 +/-    1.00  0.170 / 0.160
G09     176.1          37.4                5.6 +/-    1.37       8.6 +/-    1.37  0.030 / 0.030
G11     120.2          33.6                6.6 +/-    1.71      10.7 +/-    1.71  0.030 / 0.030
G17     198.4          13.5                3.5 +/-    3.29       9.1 +/-    3.29  0.040 / 0.030
G23     161.5          13.0                4.4 +/-    2.04      11.5 +/-    2.04  0.030 / 0.030
G27     38.4           12.2                2.0 +/-    2.21       5.3 +/-    2.21  0.130 / 0.120
G28     268.6          49.3                4.1 +/-    3.79       5.3 +/-    3.79  0.120 / 0.120
G30     326.8          56.2                4.2 +/-    0.84       5.0 +/-    0.84  0.300 / 0.360