PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/25-00:43:00
G02     357.4          75.7                6.6 +/-    0.64       6.8 +/-    0.64  0.070 / 0.090
G05     161.7          37.3               11.8 +/-    0.98      18.0 +/-    0.98  0.070 / 0.110
G06     41.3           40.0                6.5 +/-    0.51       9.5 +/-    0.51  0.090 / 0.170
G12     308.3          71.3                6.6 +/-    0.96       6.9 +/-    0.96  0.100 / 0.170
G19     77.7           24.9               10.4 +/-    0.68      20.3 +/-    0.68  0.020 / 0.040
G24     224.9          20.1               11.2 +/-    0.93      24.5 +/-    0.93  0.030 / 0.030
G25     316.3          32.3                7.4 +/-    2.00      12.3 +/-    2.00  0.070 / 0.120
G29     289.7          14.0                9.0 +/-    2.49      22.8 +/-    2.49  0.070 / 0.110