PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/03-23:42:50
G01     70.2           32.7                9.0 +/-    1.04      14.9 +/-    1.04  0.060 / 0.110
G07     137.3          26.4               10.3 +/-    1.02      19.4 +/-    1.02  0.060 / 0.090
G11     52.3           29.5                8.5 +/-    1.00      15.0 +/-    1.00  0.030 / 0.060
G13     273.4          38.1                9.5 +/-    0.81      14.3 +/-    0.81  0.040 / 0.060
G15     301.9          15.5                5.5 +/-    2.73      13.6 +/-    2.73  0.040 / 0.040
G17     234.0          71.6                3.7 +/-    0.61       3.9 +/-    0.61  0.030 / 0.040
G18     46.2           15.8                7.2 +/-    1.22      17.4 +/-    1.22  0.040 / 0.090
G19     223.8          41.8                9.8 +/-    0.58      13.9 +/-    0.58  0.040 / 0.100
G28     13.2           60.4                8.3 +/-    0.53       9.4 +/-    0.53  0.060 / 0.120
G30     136.0          61.5               10.9 +/-    0.61      12.3 +/-    0.61  0.050 / 0.110