PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/14-02:42:30
G02     14.6           69.5                5.7 +/-    0.43       6.1 +/-    0.43  0.030 / 0.010
G05     157.0          45.1                7.6 +/-    1.01      10.2 +/-    1.01  0.030 / 0.010
G06     45.0           31.0                4.4 +/-    1.30       7.5 +/-    1.30  0.040 / 0.020
G12     277.0          78.9                6.2 +/-    1.19       6.3 +/-    1.19  0.040 / 0.020
G19     84.3           21.6                5.3 +/-    1.64      11.2 +/-    1.64  0.090 / 0.080
G24     220.9          15.5                9.0 +/-    2.47      22.2 +/-    2.47  0.100 / 0.040
G25     314.4          37.6                5.9 +/-    1.31       9.0 +/-    1.31  0.070 / 0.050
G29     293.9          15.0                5.6 +/-    1.77      13.9 +/-    1.77  0.050 / 0.030