PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/11-01:58:10
G02     259.5          80.2               12.2 +/-    0.46      12.4 +/-    0.46  0.050 / 0.030
G05     169.1          20.5               16.7 +/-    2.77      36.3 +/-    2.77  0.050 / 0.040
G06     40.0           54.9               10.9 +/-    0.48      13.1 +/-    0.48  0.100 / 0.140
G12     321.2          55.3               12.3 +/-    0.84      14.6 +/-    0.84  0.100 / 0.150
G17     72.2           23.7               12.3 +/-    1.73      24.8 +/-    1.73  0.060 / 0.050
G19     60.6           36.8               11.8 +/-    1.02      18.1 +/-    1.02  0.060 / 0.040
G24     241.6          32.6               15.6 +/-    1.05      25.9 +/-    1.05  0.090 / 0.300
G25     317.3          14.7                8.6 +/-    1.43      21.5 +/-    1.43  0.200 / 0.340