PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-21:12:40
G02     19.7           65.0                8.1 +/-    0.95       8.8 +/-    0.95  0.070 / 0.090
G05     152.9          51.2               10.6 +/-    0.63      13.2 +/-    0.63  0.080 / 0.080
G06     47.3           25.5                7.9 +/-    1.62      15.2 +/-    1.62  0.030 / 0.040
G12     244.9          78.9                8.5 +/-    0.31       8.6 +/-    0.31  0.040 / 0.050
G19     90.3           15.7                8.8 +/-    1.52      21.6 +/-    1.52  0.350 / 0.720
G24     216.2          10.8                8.4 +/-   24.74      23.1 +/-   24.74  0.270 / 0.520
G25     310.1          43.8                8.9 +/-    1.34      12.1 +/-    1.34  0.020 / 0.030
G29     299.2          20.9                9.1 +/-    1.58      19.7 +/-    1.58  0.020 / 0.030