PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/31-14:43:00
G01     227.3          18.7                7.2 +/-    3.19      16.3 +/-    3.19  0.320 / 0.330
G03     285.2          70.3                9.0 +/-    0.75       9.5 +/-    0.75  0.150 / 0.190
G14     84.8           24.8                7.5 +/-    1.30      14.8 +/-    1.30  0.030 / 0.030
G16     153.6          39.9                8.9 +/-    1.18      13.0 +/-    1.18  0.030 / 0.030
G22     208.1          70.4                9.5 +/-    0.59      10.0 +/-    0.59  0.110 / 0.230
G23     305.4          35.4                6.6 +/-    1.43      10.4 +/-    1.43  0.170 / 0.200
G26     107.7          54.3                7.6 +/-    1.12       9.2 +/-    1.12  0.110 / 0.180
G31     44.2           35.5                6.4 +/-    1.34      10.0 +/-    1.34  0.110 / 0.170
G32     95.8           11.5                7.8 +/-    1.79      21.0 +/-    1.79  0.040 / 0.030