PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-19:43:10
G07     38.8           68.2               12.0 +/-    0.56      12.9 +/-    0.56  0.030 / 0.030
G08     58.8           45.3               12.2 +/-    1.44      16.4 +/-    1.44  0.030 / 0.030
G09     180.0          47.8               15.3 +/-    0.75      19.8 +/-    0.75  0.280 / 0.230
G11     126.3          30.1               16.7 +/-    1.81      29.2 +/-    1.81  0.150 / 0.160
G18     109.7          11.7               15.0 +/-    2.61      40.2 +/-    2.61  0.080 / 0.120
G23     160.7          17.7               13.0 +/-    1.25      30.2 +/-    1.25  0.070 / 0.080
G27     40.2           16.8                9.6 +/-    3.12      22.9 +/-    3.12  0.060 / 0.050
G28     259.0          43.7               14.8 +/-    2.12      20.4 +/-    2.12  0.070 / 0.050
G30     323.3          53.4               11.8 +/-    0.50      14.2 +/-    0.50  0.040 / 0.050