PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/10-08:27:50
G01     70.3           32.8                3.5 +/-    0.93       5.9 +/-    0.93  0.050 / 0.040
G07     137.6          29.6                6.4 +/-    1.20      11.3 +/-    1.20  0.060 / 0.050
G11     53.4           29.7                4.6 +/-    1.61       8.2 +/-    1.61  0.050 / 0.080
G13     275.9          36.9                4.9 +/-    2.81       7.5 +/-    2.81  0.050 / 0.080
G15     302.3          15.6                0.4 +/-    1.93       0.9 +/-    1.93  0.080 / 0.210
G17     235.5          71.3                5.6 +/-    0.46       5.8 +/-    0.46  0.080 / 0.210
G19     224.7          44.0                6.0 +/-    2.66       8.2 +/-    2.66  0.050 / 0.070
G28     21.4           58.9                1.7 +/-    2.18       2.0 +/-    2.18  0.060 / 0.070
G30     135.3          61.2                6.7 +/-    0.59       7.5 +/-    0.59  0.030 / 0.030