PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-00:57:20
G02     205.2          42.5              -11.9 +/-    1.40     -16.6 +/-    1.40  0.050 / 0.060
G06     160.8          73.1                7.2 +/-    0.64       7.5 +/-    0.64  0.050 / 0.060
G12     309.9          18.2                6.8 +/-    2.03      15.6 +/-    2.03  0.080 / 0.130
G17     43.1           42.9                4.9 +/-    2.01       6.8 +/-    2.01  0.100 / 0.150
G19     13.4           61.3                5.4 +/-    0.55       6.1 +/-    0.55  0.060 / 0.140
G24     287.8          41.8                5.6 +/-    3.76       8.0 +/-    3.76  0.080 / 0.110
G28     106.9          30.0                7.6 +/-    0.98      13.2 +/-    0.98  0.050 / 0.040