PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/28-07:13:10
G01     45.1           21.3                3.1 +/-    3.32       6.6 +/-    3.32  0.070 / 0.150
G06     176.8          31.0                7.0 +/-    2.18      12.1 +/-    2.18  0.060 / 0.150
G13     243.4          26.8                6.4 +/-    2.01      11.9 +/-    2.01  0.240 / 0.270
G15     279.4          13.9                3.8 +/-    1.27       9.7 +/-    1.27  0.210 / 0.270
G17     353.3          74.3                6.2 +/-    0.52       6.4 +/-    0.52  0.070 / 0.060
G19     255.9          62.4                6.2 +/-    0.96       6.9 +/-    0.96  0.050 / 0.060
G24     317.1          17.4                2.6 +/-    1.65       6.1 +/-    1.65  0.030 / 0.030
G28     59.8           51.4                5.6 +/-    0.85       6.9 +/-    0.85  0.040 / 0.030
G30     152.9          36.2                8.1 +/-    0.63      12.5 +/-    0.63  0.080 / 0.060