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                4.3 +/-    0.40       7.1 +/-    0.40  0.030 / 0.050
G07     137.6          29.6                5.4 +/-    1.25       9.6 +/-    1.25  0.040 / 0.050
G11     53.4           29.7                3.5 +/-    0.65       6.1 +/-    0.65  0.100 / 0.410
G13     275.9          36.9                6.3 +/-    1.14       9.6 +/-    1.14  0.140 / 0.370
G15     302.3          15.6                0.3 +/-    2.34       0.6 +/-    2.34  0.040 / 0.050
G17     235.5          71.3                5.9 +/-    0.79       6.2 +/-    0.79  0.030 / 0.040
G19     224.7          44.0                6.3 +/-    1.00       8.6 +/-    1.00  0.040 / 0.070
G28     21.4           58.9                3.3 +/-    0.37       3.8 +/-    0.37  0.040 / 0.070
G30     135.3          61.2                6.2 +/-    0.69       6.9 +/-    0.69  0.060 / 0.120