PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/07-22:43:00
G01     38.7           12.6               10.0 +/-    4.50      26.3 +/-    4.50  0.090 / 0.160
G02     199.2          12.7               15.2 +/-    4.00      40.0 +/-    4.00  0.090 / 0.140
G06     176.5          41.0               15.6 +/-    1.42      22.3 +/-    1.42  0.100 / 0.410
G13     233.1          19.4               13.0 +/-    3.21      28.9 +/-    3.21  0.230 / 0.470
G17     12.2           66.2               11.1 +/-    1.17      12.1 +/-    1.17  0.050 / 0.060
G19     291.0          70.9               12.4 +/-    0.61      13.1 +/-    0.61  0.050 / 0.060
G24     314.1          24.1               10.0 +/-    1.62      20.0 +/-    1.62  0.030 / 0.030
G28     73.5           47.8               12.8 +/-    0.66      16.5 +/-    0.66  0.040 / 0.030
G30     155.3          22.1               15.7 +/-    1.63      32.9 +/-    1.63  0.110 / 0.150