PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-04:27:50
G01     117.0          19.2                8.4 +/-    1.54      18.9 +/-    1.54  0.110 / 0.200
G07     89.4           63.5                5.2 +/-    0.87       5.8 +/-    0.87  0.140 / 0.180
G08     43.3           26.9                3.5 +/-    1.73       6.5 +/-    1.73  0.030 / 0.040
G09     174.8          21.4                6.7 +/-    0.96      14.2 +/-    0.96  0.030 / 0.040
G11     101.2          40.9                6.7 +/-    0.81       9.6 +/-    0.81  0.030 / 0.040
G13     316.3          21.7                1.4 +/-    2.50       2.9 +/-    2.50  0.030 / 0.040
G17     201.1          29.5                7.5 +/-    2.21      13.2 +/-    2.21  0.050 / 0.070
G28     293.9          57.1                4.4 +/-    0.67       5.1 +/-    0.67  0.040 / 0.060
G30     347.2          69.6                4.0 +/-    1.00       4.3 +/-    1.00  0.090 / 0.100