PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-03:57:30
G08     311.8          17.7                7.9 +/-    2.21      18.5 +/-    2.21  0.030 / 0.050
G10     328.2          59.4                5.4 +/-    0.77       6.1 +/-    0.77  0.040 / 0.080
G14     217.4          26.1               10.5 +/-    1.01      20.1 +/-    1.01  0.070 / 0.080
G15     46.5           13.7                3.9 +/-    1.80       9.9 +/-    1.80  0.080 / 0.080
G20     20.5           63.9                7.8 +/-    0.43       8.6 +/-    0.43  0.090 / 0.240
G21     132.1          59.9                9.1 +/-    1.16      10.4 +/-    1.16  0.080 / 0.170
G24     75.3           29.7                6.8 +/-    0.59      12.0 +/-    0.59  0.030 / 0.030
G27     277.4          37.6                8.8 +/-    1.36      13.3 +/-    1.36  0.020 / 0.040
G32     221.5          52.3               10.1 +/-    1.21      12.4 +/-    1.21  0.050 / 0.080