PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/20-01:58:10
G02     32.7           55.4                7.7 +/-    0.53       9.1 +/-    0.53  0.030 / 0.040
G05     138.6          61.5                8.6 +/-    0.81       9.7 +/-    0.81  0.030 / 0.030
G06     51.9           19.4                5.5 +/-    1.29      12.4 +/-    1.29  0.030 / 0.040
G12     207.5          71.2                8.5 +/-    1.04       8.9 +/-    1.04  0.030 / 0.040
G19     98.8           10.0                6.2 +/-    2.01      17.2 +/-    2.01  0.090 / 0.260
G25     297.8          53.4                7.4 +/-    0.61       9.0 +/-    0.61  0.090 / 0.280
G29     308.5          30.9                7.3 +/-    0.98      12.6 +/-    0.98  0.040 / 0.060