PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-03:57:20
G02     39.3           49.6                2.6 +/-    1.40       3.3 +/-    1.40  0.030 / 0.040
G05     123.1          66.7                5.4 +/-    0.64       5.8 +/-    0.64  0.030 / 0.040
G06     55.6           15.0                3.4 +/-    1.61       8.3 +/-    1.61  0.030 / 0.040
G12     197.2          63.3                5.4 +/-    0.60       6.0 +/-    0.60  0.030 / 0.030
G25     284.2          57.9                5.2 +/-    3.21       6.0 +/-    3.21  0.030 / 0.030
G29     315.0          38.1                3.6 +/-    1.04       5.3 +/-    1.04  0.020 / 0.030