PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/14-13:43:00
G01     228.1          19.5                6.8 +/-    2.95      15.2 +/-    2.95  0.210 / 0.330
G03     286.9          70.4                6.8 +/-    0.67       7.2 +/-    0.67  0.260 / 0.420
G14     83.7           25.6                6.2 +/-    1.64      12.0 +/-    1.64  0.120 / 0.210
G16     153.5          39.1                6.8 +/-    1.01      10.0 +/-    1.01  0.110 / 0.190
G22     207.6          71.1                6.3 +/-    0.52       6.7 +/-    0.52  0.030 / 0.020
G23     304.8          35.0                6.1 +/-    1.63       9.7 +/-    1.63  0.040 / 0.040
G26     108.8          53.8                6.8 +/-    0.75       8.2 +/-    0.75  0.040 / 0.030
G31     44.0           36.0                6.0 +/-    1.17       9.3 +/-    1.17  0.040 / 0.030
G32     94.6           12.8                5.9 +/-    2.25      15.4 +/-    2.25  0.110 / 0.170