PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/02-20:43:10
G01     125.6          12.9               15.6 +/-    3.84      40.7 +/-    3.84  0.050 / 0.080
G07     57.1           69.5               12.0 +/-    0.62      12.7 +/-    0.62  0.070 / 0.100
G08     51.5           42.3               11.1 +/-    0.94      15.6 +/-    0.94  0.380 / 0.380
G09     178.7          34.9               15.1 +/-    1.09      24.0 +/-    1.09  0.300 / 0.310
G11     118.9          35.9               15.3 +/-    1.43      23.9 +/-    1.43  0.050 / 0.050
G13     320.8          12.7                9.8 +/-    1.73      25.8 +/-    1.73  0.040 / 0.030
G17     201.5          13.4               17.7 +/-    3.64      45.9 +/-    3.64  0.030 / 0.050
G18     102.6          17.4               14.0 +/-    2.35      32.8 +/-    2.35  0.050 / 0.030
G28     279.9          54.2               13.2 +/-    2.50      15.8 +/-    2.50  0.470 / 0.330
G30     339.3          64.0               10.1 +/-    0.52      11.1 +/-    0.52  0.240 / 0.230