PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-00:28:00
G02     31.6           56.8                9.8 +/-    0.37      11.5 +/-    0.37  0.030 / 0.050
G05     140.1          60.8               13.3 +/-    1.00      15.0 +/-    1.00  0.020 / 0.040
G06     52.9           16.7                8.5 +/-    0.99      20.4 +/-    0.99  0.040 / 0.050
G12     200.0          69.7               11.6 +/-    0.73      12.3 +/-    0.73  0.030 / 0.040
G19     97.8           12.5               12.5 +/-    0.90      32.9 +/-    0.90  0.040 / 0.050
G25     300.5          51.5                9.8 +/-    1.03      12.1 +/-    1.03  0.050 / 0.070
G29     305.4          25.5                9.5 +/-    3.00      18.3 +/-    3.00  0.110 / 0.170