PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/02-01:28:00
G02     39.6           49.3               11.3 +/-    0.49      14.3 +/-    0.49  0.040 / 0.060
G05     120.8          67.0               11.4 +/-    0.61      12.3 +/-    0.61  0.040 / 0.050
G06     56.5           12.9               11.2 +/-    1.22      29.4 +/-    1.22  0.030 / 0.040
G12     196.5          62.6               12.3 +/-    0.81      13.7 +/-    0.81  0.030 / 0.040
G25     284.6          57.3               12.7 +/-    0.91      14.8 +/-    0.91  0.030 / 0.040
G29     314.0          36.5               12.0 +/-    1.21      18.5 +/-    1.21  0.030 / 0.040