PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-15:12:50
G01     121.1          15.5               10.2 +/-    1.18      25.2 +/-    1.18  0.030 / 0.050
G07     81.3           64.0               10.4 +/-    0.85      11.4 +/-    0.85  0.020 / 0.040
G08     46.9           35.3                7.5 +/-    0.70      11.8 +/-    0.70  0.050 / 0.070
G09     178.1          30.8               10.4 +/-    1.28      17.9 +/-    1.28  0.050 / 0.070
G11     110.1          39.4               10.1 +/-    0.90      14.8 +/-    0.90  0.050 / 0.080
G13     318.7          17.8                7.4 +/-    1.36      17.3 +/-    1.36  0.060 / 0.090
G17     200.8          19.9               10.5 +/-    1.51      23.1 +/-    1.51  0.110 / 0.240
G18     96.1           19.5                9.3 +/-    0.94      20.7 +/-    0.94  0.120 / 0.240
G28     279.7          52.1               11.0 +/-    1.08      13.5 +/-    1.08  0.150 / 0.210
G30     347.8          68.5                8.1 +/-    1.06       8.7 +/-    1.06  0.090 / 0.210