PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-00:12:30
G02     11.3           70.4                9.1 +/-    0.58       9.6 +/-    0.58  0.050 / 0.090
G05     157.8          44.1               14.2 +/-    1.04      19.3 +/-    1.04  0.050 / 0.080
G06     43.7           33.5                7.4 +/-    1.03      12.1 +/-    1.03  0.040 / 0.050
G12     288.9          76.9                9.3 +/-    1.07       9.5 +/-    1.07  0.040 / 0.050
G19     83.8           20.7               10.9 +/-    1.38      23.6 +/-    1.38  0.100 / 0.210
G24     220.4          15.5               14.6 +/-    4.15      35.7 +/-    4.15  0.180 / 0.230
G25     314.1          38.2               10.5 +/-    2.10      15.8 +/-    2.10  0.020 / 0.030
G29     294.6          17.8                9.3 +/-    2.52      21.7 +/-    2.52  0.030 / 0.030