PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/16-11:13:00
G03     188.7          14.7                6.1 +/-   33.63      15.2 +/-   33.63  0.150 / 0.300
G07     298.2          41.9                6.5 +/-   32.07       9.2 +/-   32.07  0.140 / 0.290
G08     134.8          34.7                8.2 +/-   29.75      13.1 +/-   29.75  0.030 / 0.040
G09     317.2          73.0                6.5 +/-   32.39       6.7 +/-   32.39  0.040 / 0.030
G16     41.7           29.0                1.6 +/-   32.70       2.9 +/-   32.70  0.050 / 0.080
G23     134.9          70.7                1.5 +/-    3.28       1.6 +/-    3.28  0.050 / 0.090
G27     89.9           36.3                4.9 +/-   32.48       7.5 +/-   32.48  0.260 / 0.430
G30     279.4          16.6                3.0 +/-   19.95       7.3 +/-   19.95  0.160 / 0.310