PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-04:57:50
G07     40.5           69.3                4.5 +/-    0.42       4.8 +/-    0.42  0.040 / 0.030
G08     53.5           41.4                4.2 +/-    0.95       6.0 +/-    0.95  0.040 / 0.030
G09     175.8          38.9                6.8 +/-    1.32      10.1 +/-    1.32  0.130 / 0.330
G11     122.1          32.5                5.5 +/-    0.73       9.2 +/-    0.73  0.150 / 0.300
G17     198.3          11.7               -0.7 +/-   15.68      -1.8 +/-   15.68  0.030 / 0.030
G18     106.3          13.9                5.6 +/-    1.25      14.4 +/-    1.25  0.040 / 0.040
G23     161.4          14.7                5.8 +/-    1.80      14.6 +/-    1.80  0.260 / 0.150
G27     38.8           13.5                1.9 +/-    3.00       4.9 +/-    3.00  0.100 / 0.240
G28     266.2          48.4                5.1 +/-    3.37       6.6 +/-    3.37  0.050 / 0.060
G30     324.9          54.6                4.0 +/-    0.86       4.8 +/-    0.86  0.080 / 0.090