PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-15:12:10
G02     201.9          24.6                8.6 +/-    1.32      16.9 +/-    1.32  0.040 / 0.120
G06     165.9          60.8                9.7 +/-    0.64      10.9 +/-    0.64  0.040 / 0.100
G17     23.4           58.1                8.1 +/-    0.35       9.3 +/-    0.35  0.040 / 0.040
G19     345.9          69.1                8.0 +/-    0.59       8.5 +/-    0.59  0.040 / 0.040
G24     305.7          33.0                9.3 +/-    1.10      15.4 +/-    1.10  0.120 / 0.120
G28     90.3           41.5                8.1 +/-    0.89      11.5 +/-    0.89  0.080 / 0.110