PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-21:12:30
G02     19.7           65.0                7.4 +/-    0.83       8.1 +/-    0.83  0.270 / 0.300
G05     152.9          51.2               11.2 +/-    0.93      14.0 +/-    0.93  0.210 / 0.410
G06     47.3           25.5                7.5 +/-    0.85      14.5 +/-    0.85  0.050 / 0.080
G12     244.9          78.9                8.5 +/-    0.68       8.7 +/-    0.68  0.050 / 0.100
G19     90.3           15.7                8.5 +/-    1.83      20.8 +/-    1.83  0.050 / 0.060
G24     216.2          10.8               11.8 +/-    1.65      32.3 +/-    1.65  0.040 / 0.060
G25     310.1          43.8                8.5 +/-    1.32      11.6 +/-    1.32  0.020 / 0.030
G29     299.2          20.9               10.6 +/-    1.83      22.8 +/-    1.83  0.020 / 0.030