PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/01-22:12:50
G01     119.2          17.4               11.6 +/-    0.99      27.2 +/-    0.99  0.110 / 0.270
G07     86.6           63.1               11.7 +/-    0.56      13.0 +/-    0.56  0.100 / 0.280
G08     44.5           30.1                8.3 +/-    0.73      14.5 +/-    0.73  0.040 / 0.070
G09     177.2          27.0               13.2 +/-    1.82      24.7 +/-    1.82  0.040 / 0.060
G11     105.1          40.2               12.0 +/-    0.57      17.4 +/-    0.57  0.030 / 0.040
G13     317.6          19.7               11.2 +/-    2.64      24.9 +/-    2.64  0.040 / 0.030
G17     200.4          25.8               12.6 +/-    1.76      24.2 +/-    1.76  0.110 / 0.380
G18     91.0           20.3               11.0 +/-    0.95      24.1 +/-    0.95  0.120 / 0.410
G28     286.6          54.9               11.6 +/-    0.58      13.8 +/-    0.58  0.030 / 0.050
G30     345.7          68.4                9.7 +/-    0.91      10.3 +/-    0.91  0.030 / 0.040