PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-00:27:50
G01     39.7           14.0                7.6 +/-    1.49      19.3 +/-    1.49  0.070 / 0.190
G02     198.8          12.5               10.6 +/-    3.14      27.9 +/-    3.14  0.070 / 0.200
G06     174.8          42.2               13.0 +/-    0.96      18.3 +/-    0.96  0.030 / 0.040
G13     235.5          19.9               11.9 +/-    1.73      26.2 +/-    1.73  0.030 / 0.030
G15     267.6          11.2               10.0 +/-    2.85      27.2 +/-    2.85  0.030 / 0.040
G17     359.0          70.0                8.6 +/-    0.95       9.1 +/-    0.95  0.040 / 0.040
G19     286.9          70.1                8.3 +/-    0.66       8.8 +/-    0.66  0.100 / 0.180
G24     315.6          21.5                6.9 +/-    2.17      14.6 +/-    2.17  0.080 / 0.190
G28     76.3           44.8                9.2 +/-    0.57      12.4 +/-    0.57  0.050 / 0.070
G30     154.6          22.0               11.4 +/-    2.09      23.9 +/-    2.09  0.050 / 0.070