PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/17-15:27:50
G01     258.9          38.3                8.2 +/-    3.09      12.3 +/-    3.09  0.050 / 0.060
G03     316.7          42.7                8.5 +/-    1.32      11.8 +/-    1.32  0.050 / 0.070
G10     134.6          9.7                12.2 +/-    1.50      34.3 +/-    1.50  0.170 / 0.230
G11     245.2          16.0                9.0 +/-    1.00      21.9 +/-    1.00  0.120 / 0.210
G14     51.4           46.5                6.4 +/-    1.23       8.5 +/-    1.23  0.030 / 0.040
G22     309.9          63.4                8.9 +/-    0.64       9.8 +/-    0.64  0.030 / 0.030
G25     45.1           13.9                4.7 +/-    2.82      11.9 +/-    2.82  0.030 / 0.040
G31     43.5           63.4                7.3 +/-    0.54       8.1 +/-    0.54  0.040 / 0.040
G32     72.7           25.8                6.7 +/-    1.87      12.8 +/-    1.87  0.060 / 0.080