PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/02-21:43:00
G02     202.0          31.3               15.4 +/-    1.12      26.3 +/-    1.12  0.080 / 0.120
G06     167.9          63.3               14.5 +/-    1.04      16.0 +/-    1.04  0.080 / 0.120
G12     304.2          10.3               -6.2 +/-   19.44     -17.1 +/-   19.44  0.050 / 0.110
G17     32.8           51.6               11.0 +/-    0.55      13.6 +/-    0.55  0.050 / 0.100
G19     353.6          67.2               10.9 +/-    0.52      11.8 +/-    0.52  0.070 / 0.110
G24     300.7          36.8               11.6 +/-    0.75      17.8 +/-    0.75  0.070 / 0.100
G28     96.1           37.5               11.8 +/-    0.64      17.9 +/-    0.64  0.040 / 0.030