PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-11:57:30
G08     278.4          19.6                4.9 +/-    1.73      10.9 +/-    1.73  0.030 / 0.050
G10     47.8           60.9                4.1 +/-    1.00       4.6 +/-    1.00  0.040 / 0.060
G11     316.8          10.8               -4.9 +/-    6.90     -13.4 +/-    6.90  0.100 / 0.220
G14     251.6          59.1                5.8 +/-    1.34       6.7 +/-    1.34  0.110 / 0.170
G18     315.4          25.1                3.9 +/-    1.43       7.7 +/-    1.43  0.090 / 0.200
G21     153.1          20.9                4.2 +/-    2.42       9.0 +/-    2.42  0.140 / 0.230
G24     42.8           15.0                2.5 +/-    2.29       6.3 +/-    2.29  0.380 / 0.220
G27     236.2          20.0                6.7 +/-    3.54      14.7 +/-    3.54  0.500 / 0.430
G31     178.6          25.0                5.1 +/-    1.08      10.0 +/-    1.08  0.030 / 0.030
G32     318.2          76.3                5.9 +/-    0.57       6.0 +/-    0.57  0.030 / 0.020