PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/01-23:58:10
G02     31.2           57.1                9.7 +/-    0.40      11.3 +/-    0.40  0.030 / 0.050
G05     140.6          60.6               11.5 +/-    1.07      13.0 +/-    1.07  0.040 / 0.040
G06     52.9           16.7                8.7 +/-    0.65      20.7 +/-    0.65  0.040 / 0.040
G12     199.6          69.6                9.1 +/-    0.89       9.7 +/-    0.89  0.030 / 0.040
G19     97.6           12.7               12.1 +/-    1.86      31.7 +/-    1.86  0.040 / 0.050
G25     300.7          51.5                9.0 +/-    1.05      11.1 +/-    1.05  0.040 / 0.060
G29     305.2          25.3               10.8 +/-    2.49      20.9 +/-    2.49  0.130 / 0.290