PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-01:12:30
G07     328.7          56.8                4.5 +/-    0.53       5.2 +/-    0.53  0.120 / 0.120
G08     101.6          50.5                7.4 +/-    0.41       9.3 +/-    0.41  0.110 / 0.140
G09     179.7          72.6                7.0 +/-    0.66       7.3 +/-    0.66  0.040 / 0.040
G11     150.6          11.4                5.6 +/-   10.20      15.0 +/-   10.20  0.040 / 0.040
G23     154.9          45.4                8.2 +/-    0.46      10.9 +/-    0.46  0.040 / 0.050
G27     57.9           32.8                4.2 +/-    1.22       7.0 +/-    1.22  0.040 / 0.040
G28     233.1          19.0                5.7 +/-    2.18      12.9 +/-    2.18  0.110 / 0.350
G30     297.7          30.1                4.8 +/-    0.95       8.3 +/-    0.95  0.380 / 0.480