PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-05:12:40
G07     44.0           69.3                5.5 +/-    1.02       5.9 +/-    1.02  0.050 / 0.040
G08     52.5           40.6                5.5 +/-    0.84       7.9 +/-    0.84  0.030 / 0.050
G09     175.6          37.4                8.4 +/-    0.93      12.8 +/-    0.93  0.030 / 0.030
G11     120.9          33.2                8.0 +/-    0.59      13.2 +/-    0.59  0.030 / 0.040
G17     198.4          12.8                3.8 +/-    0.52      10.1 +/-    0.52  0.110 / 0.180
G18     105.2          14.5                7.4 +/-    1.46      18.6 +/-    1.46  0.150 / 0.180
G23     161.4          13.5                5.9 +/-    4.30      15.3 +/-    4.30  0.150 / 0.300
G27     38.5           12.5                1.4 +/-    1.83       3.8 +/-    1.83  0.130 / 0.270
G28     267.9          49.1                4.6 +/-    0.82       5.9 +/-    0.82  0.140 / 0.320
G30     326.1          55.6                4.7 +/-    0.59       5.5 +/-    0.59  0.100 / 0.350