PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-12:12:50
G01     124.0          14.1                5.1 +/-    2.21      13.1 +/-    2.21  0.030 / 0.040
G07     64.5           68.7                4.8 +/-    1.13       5.1 +/-    1.13  0.040 / 0.030
G08     47.3           35.1                3.7 +/-    0.55       5.8 +/-    0.55  0.180 / 0.340
G09     176.1          30.0                4.5 +/-    1.15       7.9 +/-    1.15  0.160 / 0.300
G11     112.7          37.4                4.1 +/-    0.50       6.2 +/-    0.50  0.050 / 0.110
G13     319.9          15.0                1.4 +/-    2.30       3.5 +/-    2.30  0.050 / 0.120
G17     200.1          19.4                3.8 +/-    2.78       8.5 +/-    2.78  0.030 / 0.030
G18     99.6           18.4                5.0 +/-    1.35      11.5 +/-    1.35  0.030 / 0.030
G28     282.1          54.7                6.8 +/-    0.94       8.1 +/-    0.94  0.130 / 0.520
G30     335.6          62.7                3.7 +/-    0.49       4.1 +/-    0.49  0.130 / 0.560