PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-21:27:50
G01     95.0           30.1               13.2 +/-    1.29      23.0 +/-    1.29  0.030 / 0.060
G07     122.2          44.1               13.7 +/-    0.82      18.7 +/-    0.82  0.030 / 0.050
G08     41.8           10.0                8.5 +/-    3.59      23.8 +/-    3.59  0.040 / 0.050
G11     72.2           41.0               12.0 +/-    1.45      17.1 +/-    1.45  0.050 / 0.040
G13     299.1          35.1               11.1 +/-    1.38      17.6 +/-    1.38  0.200 / 0.310
G17     210.2          50.4               13.7 +/-    0.95      17.2 +/-    0.95  0.200 / 0.260
G18     65.7           23.3               10.4 +/-    2.04      21.2 +/-    2.04  0.100 / 0.140
G19     212.1          22.8               14.1 +/-    2.35      29.1 +/-    2.35  0.070 / 0.120
G28     331.3          61.3               10.0 +/-    0.76      11.3 +/-    0.76  0.030 / 0.030
G30     87.8           78.2               12.4 +/-    0.71      12.6 +/-    0.71  0.030 / 0.030