PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/26-06:27:50
G01     68.5           32.6                5.4 +/-    0.91       9.0 +/-    0.91  0.060 / 0.100
G07     138.3          27.4                7.6 +/-    1.60      14.0 +/-    1.60  0.070 / 0.100
G11     51.3           28.1                3.8 +/-    1.49       6.9 +/-    1.49  0.060 / 0.090
G13     271.4          37.6                6.3 +/-    2.78       9.6 +/-    2.78  0.070 / 0.090
G15     302.7          14.5                2.0 +/-    3.20       4.9 +/-    3.20  0.030 / 0.030
G17     238.9          73.7                9.4 +/-    0.24       9.8 +/-    0.24  0.040 / 0.030
G19     225.2          41.1                7.9 +/-    2.09      11.3 +/-    2.09  0.040 / 0.030
G28     19.5           59.5                5.7 +/-    0.68       6.5 +/-    0.68  0.040 / 0.020
G30     137.8          61.7                8.1 +/-    0.50       9.0 +/-    0.50  0.050 / 0.050