PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/12-23:57:40
G02     19.8           65.4                8.0 +/-    0.43       8.7 +/-    0.43  0.060 / 0.080
G05     153.3          50.3               14.3 +/-    1.36      18.0 +/-    1.36  0.050 / 0.080
G06     46.3           28.0                8.5 +/-    1.03      15.6 +/-    1.03  0.060 / 0.100
G12     255.8          78.9               10.0 +/-    0.80      10.2 +/-    0.80  0.070 / 0.110
G19     89.1           16.9               10.8 +/-    1.92      25.6 +/-    1.92  0.100 / 0.280
G24     216.4          11.5               13.2 +/-    4.54      35.7 +/-    4.54  0.100 / 0.250
G25     310.7          43.5                9.3 +/-    0.83      12.9 +/-    0.83  0.040 / 0.030
G29     299.0          21.5               10.6 +/-    2.15      22.5 +/-    2.15  0.030 / 0.030