PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-05:27:50
G01     69.9           32.8                6.1 +/-    0.78      10.1 +/-    0.78  0.040 / 0.040
G07     137.6          28.3                9.2 +/-    1.28      16.7 +/-    1.28  0.030 / 0.030
G11     52.0           28.9                5.0 +/-    1.26       9.0 +/-    1.26  0.030 / 0.030
G13     273.0          37.9                7.2 +/-    1.61      10.9 +/-    1.61  0.030 / 0.030
G15     303.4          14.5                0.7 +/-    1.64       1.8 +/-    1.64  0.050 / 0.080
G17     235.9          72.7                8.7 +/-    0.77       9.1 +/-    0.77  0.080 / 0.080
G19     224.2          40.3                9.5 +/-    1.28      13.7 +/-    1.28  0.040 / 0.060
G28     16.8           59.9                5.7 +/-    0.50       6.5 +/-    0.50  0.040 / 0.060
G30     136.5          62.7                9.5 +/-    1.01      10.6 +/-    1.01  0.050 / 0.100