PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-23:57:40
G02     14.9           68.4                9.6 +/-    1.33      10.3 +/-    1.33  0.040 / 0.030
G05     156.2          46.6               16.1 +/-    0.91      21.3 +/-    0.91  0.030 / 0.030
G06     44.7           31.1                8.9 +/-    0.64      15.2 +/-    0.64  0.100 / 0.160
G12     277.2          78.2               12.5 +/-    1.27      12.8 +/-    1.27  0.110 / 0.160
G19     85.9           19.2               13.1 +/-    1.02      29.4 +/-    1.02  0.050 / 0.100
G24     218.8          13.9               20.6 +/-    2.71      52.6 +/-    2.71  0.070 / 0.100
G25     312.9          40.3               11.6 +/-    2.71      16.8 +/-    2.71  0.210 / 0.440
G29     296.3          19.2               13.3 +/-    0.64      29.7 +/-    0.64  0.220 / 0.390