PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/08-01:58:10
G02     4.8            73.4                8.0 +/-    0.79       8.4 +/-    0.79  0.120 / 0.180
G05     160.2          40.1               13.0 +/-    0.70      18.9 +/-    0.70  0.330 / 0.230
G06     41.9           38.3                6.1 +/-    0.79       9.1 +/-    0.79  0.030 / 0.030
G12     302.0          73.9                9.8 +/-    0.50      10.2 +/-    0.50  0.040 / 0.030
G19     80.1           23.4                9.2 +/-    1.95      18.7 +/-    1.95  0.090 / 0.100
G24     222.5          18.1               12.8 +/-    2.60      29.5 +/-    2.60  0.110 / 0.100
G25     315.4          35.5                7.9 +/-    0.84      12.4 +/-    0.84  0.090 / 0.120
G29     292.3          16.6                8.0 +/-    4.06      19.2 +/-    4.06  0.110 / 0.110