PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/28-04:27:50
G07     310.0          48.5                3.9 +/-    1.37       5.1 +/-    1.37  0.110 / 0.220
G08     122.6          42.4                5.5 +/-    0.75       7.7 +/-    0.75  0.080 / 0.210
G09     272.6          85.1                3.0 +/-    0.83       3.0 +/-    0.83  0.040 / 0.050
G16     42.3           22.0                1.4 +/-    1.73       2.9 +/-    1.73  0.050 / 0.060
G23     146.4          63.9                5.2 +/-    1.20       5.7 +/-    1.20  0.050 / 0.070
G27     79.2           37.9                4.3 +/-    0.72       6.4 +/-    0.72  0.050 / 0.070
G28     224.7          12.6                2.7 +/-    2.27       7.0 +/-    2.27  0.050 / 0.050
G30     286.4          21.7                3.1 +/-    2.03       6.5 +/-    2.03  0.050 / 0.050