PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-01:57:40
G07     328.9          56.8                4.2 +/-    0.75       4.9 +/-    0.75  0.120 / 0.120
G08     102.9          49.8                6.0 +/-    0.44       7.6 +/-    0.44  0.120 / 0.140
G09     191.0          77.1                4.7 +/-    0.58       4.8 +/-    0.58  0.070 / 0.050
G11     147.4          10.9                3.2 +/-   13.86       8.7 +/-   13.86  0.060 / 0.050
G16     45.3           11.7                2.2 +/-    1.67       5.9 +/-    1.67  0.080 / 0.150
G23     154.6          49.4                6.3 +/-    0.62       8.0 +/-    0.62  0.230 / 0.220
G27     62.6           35.7                4.5 +/-    0.95       7.0 +/-    0.95  0.040 / 0.040
G28     232.9          23.5                5.2 +/-    2.10      10.6 +/-    2.10  0.060 / 0.050
G30     297.2          30.6                3.8 +/-    2.19       6.6 +/-    2.19  0.030 / 0.040