PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/08-22:28:10
G02     219.5          64.4               11.5 +/-    1.20      12.6 +/-    1.20  0.160 / 0.300
G06     52.2           73.6               10.9 +/-    0.52      11.3 +/-    0.52  0.130 / 0.320
G12     318.5          36.7               10.4 +/-    1.58      16.0 +/-    1.58  0.090 / 0.110
G17     60.1           29.9                8.9 +/-    1.64      15.6 +/-    1.64  0.060 / 0.080
G19     43.5           46.4                9.8 +/-    0.90      13.0 +/-    0.90  0.060 / 0.090
G24     259.4          40.6               11.3 +/-    5.18      16.3 +/-    5.18  0.040 / 0.080
G28     123.6          15.1               12.9 +/-    2.94      32.1 +/-    2.94  0.030 / 0.030