PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/26-03:12:40
G01     70.4           32.9                4.3 +/-    0.44       7.2 +/-    0.44  0.040 / 0.060
G07     137.6          30.8                5.9 +/-    1.94      10.2 +/-    1.94  0.030 / 0.060
G11     54.8           31.9                3.7 +/-    0.59       6.2 +/-    0.59  0.050 / 0.090
G13     275.2          37.1                6.0 +/-    1.19       9.1 +/-    1.19  0.040 / 0.080
G15     301.6          15.9                1.9 +/-    2.09       4.6 +/-    2.09  0.040 / 0.090
G17     234.1          68.8                5.5 +/-    1.04       5.9 +/-    1.04  0.060 / 0.100
G19     224.6          43.1                7.7 +/-    1.23      10.7 +/-    1.23  0.120 / 0.360
G28     21.5           58.9                4.0 +/-    0.33       4.6 +/-    0.33  0.100 / 0.360
G30     135.5          57.7                5.6 +/-    0.52       6.5 +/-    0.52  0.030 / 0.040