PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-23:27:40
G01     41.3           16.9                8.4 +/-    2.45      19.9 +/-    2.45  0.200 / 0.260
G06     178.1          34.4               10.8 +/-    1.17      17.4 +/-    1.17  0.310 / 0.280
G13     237.7          23.1               11.9 +/-    1.99      24.2 +/-    1.99  0.100 / 0.180
G15     271.2          12.6                9.6 +/-    1.02      25.2 +/-    1.02  0.080 / 0.250
G17     3.7            70.4                9.3 +/-    0.30       9.8 +/-    0.30  0.040 / 0.050
G19     273.2          68.5               11.3 +/-    0.59      12.0 +/-    0.59  0.040 / 0.060
G24     316.2          19.9                6.6 +/-    2.35      14.6 +/-    2.35  0.030 / 0.030
G28     66.1           50.2               10.9 +/-    1.38      13.8 +/-    1.38  0.030 / 0.030
G30     154.1          28.0               11.8 +/-    0.85      21.6 +/-    0.85  0.060 / 0.120