PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-15:27:40
G02     203.6          31.5               10.1 +/-    2.20      17.2 +/-    2.20  0.050 / 0.110
G06     159.0          68.2               10.4 +/-    1.16      11.1 +/-    1.16  0.050 / 0.160
G12     306.1          13.7                7.8 +/-    2.31      20.0 +/-    2.31  0.100 / 0.190
G17     30.8           53.1                8.4 +/-    0.68      10.2 +/-    0.68  0.090 / 0.230
G19     2.3            65.3                7.9 +/-    0.50       8.6 +/-    0.50  0.040 / 0.050
G24     299.4          36.9               10.0 +/-    1.28      15.3 +/-    1.28  0.050 / 0.040
G28     97.8           37.3                9.0 +/-    0.95      13.7 +/-    0.95  0.060 / 0.110