PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-11:58:10
G01     124.6          13.6                3.2 +/-    3.97       8.3 +/-    3.97  0.040 / 0.040
G07     62.3           68.9                2.6 +/-    1.69       2.8 +/-    1.69  0.040 / 0.050
G08     47.6           35.6                1.1 +/-    2.68       1.8 +/-    2.68  0.130 / 0.320
G09     176.1          30.7                4.8 +/-    2.70       8.2 +/-    2.70  0.140 / 0.300
G11     113.6          37.0                4.1 +/-    1.78       6.3 +/-    1.78  0.040 / 0.050
G13     320.2          14.4                0.4 +/-    3.34       1.0 +/-    3.34  0.040 / 0.060
G17     199.9          18.8                3.5 +/-    2.21       7.9 +/-    2.21  0.050 / 0.100
G18     100.3          18.0                3.0 +/-    4.15       6.9 +/-    4.15  0.050 / 0.100
G28     280.8          54.3                3.8 +/-    2.80       4.6 +/-    2.80  0.100 / 0.470
G30     334.6          61.9                2.3 +/-    2.06       2.5 +/-    2.06  0.110 / 0.480