PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-15:43:10
G05     46.6           24.5                6.9 +/-    1.56      13.6 +/-    1.56  0.110 / 0.080
G13     83.0           36.0                9.8 +/-    0.72      15.2 +/-    0.72  0.070 / 0.070
G15     136.2          47.6               10.4 +/-    0.37      13.5 +/-    0.37  0.050 / 0.090
G20     243.1          32.5                9.6 +/-    2.37      16.0 +/-    2.37  0.060 / 0.080
G21     309.3          44.6                8.0 +/-    0.85      10.8 +/-    0.85  0.050 / 0.040
G25     198.7          13.4               10.2 +/-    2.75      26.2 +/-    2.75  0.030 / 0.040
G26     294.7          19.8                6.5 +/-    1.12      14.4 +/-    1.12  0.330 / 0.300
G29     146.6          78.5                8.5 +/-    0.30       8.7 +/-    0.30  0.270 / 0.520