PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-03:57:50
G07     328.3          56.7                4.1 +/-    0.65       4.9 +/-    0.65  0.110 / 0.140
G08     106.5          50.3                6.2 +/-    0.41       7.8 +/-    0.41  0.090 / 0.110
G09     187.7          76.0                4.6 +/-    1.21       4.7 +/-    1.21  0.050 / 0.070
G11     150.3          10.9                2.7 +/-   16.02       7.5 +/-   16.02  0.050 / 0.060
G23     154.0          45.9                6.1 +/-    0.54       8.2 +/-    0.54  0.050 / 0.050
G27     59.4           33.5                4.8 +/-    1.00       7.8 +/-    1.00  0.050 / 0.060
G28     232.4          18.7                6.1 +/-    6.21      13.8 +/-    6.21  0.210 / 0.490
G30     297.2          30.1                3.1 +/-    1.57       5.3 +/-    1.57  0.220 / 0.440