PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/08-00:43:10
G02     204.4          41.7               15.4 +/-    0.75      21.9 +/-    0.75  0.150 / 0.140
G06     149.7          74.3               14.1 +/-    0.49      14.6 +/-    0.49  0.090 / 0.130
G12     310.3          19.0                9.8 +/-    2.24      22.0 +/-    2.24  0.040 / 0.030
G17     37.2           48.8               10.9 +/-    1.34      14.0 +/-    1.34  0.030 / 0.020
G19     10.8           62.2               11.2 +/-    0.56      12.5 +/-    0.56  0.110 / 0.080
G24     292.0          40.2                8.0 +/-    6.43      11.7 +/-    6.43  0.110 / 0.120
G28     107.8          27.2               14.3 +/-    1.46      26.7 +/-    1.46  0.080 / 0.130