PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-08:57:50
G07     316.9          52.3                2.5 +/-    1.07       3.1 +/-    1.07  0.150 / 0.410
G08     127.1          43.8                6.6 +/-    1.13       9.1 +/-    1.13  0.160 / 0.520
G09     273.6          82.7                3.4 +/-    0.65       3.5 +/-    0.65  0.040 / 0.080
G16     43.1           18.3                0.8 +/-    0.74       1.9 +/-    0.74  0.050 / 0.080
G23     147.5          54.1                4.9 +/-    1.43       5.9 +/-    1.43  0.040 / 0.050
G27     72.6           36.9                2.8 +/-    0.64       4.3 +/-    0.64  0.030 / 0.050
G28     226.3          11.4                0.7 +/-   16.66       1.9 +/-   16.66  0.040 / 0.050
G30     290.4          25.9                5.8 +/-    1.80      11.0 +/-    1.80  0.030 / 0.050