PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/03-22:42:40
G01     228.8          19.7                9.8 +/-    3.67      21.6 +/-    3.67  0.080 / 0.150
G03     296.1          65.0                8.1 +/-    0.69       8.8 +/-    0.69  0.100 / 0.150
G14     83.5           25.9                7.2 +/-    1.25      13.7 +/-    1.25  0.150 / 0.430
G16     149.9          41.0                9.5 +/-    0.67      13.6 +/-    0.67  0.160 / 0.370
G22     229.2          73.1                8.2 +/-    0.67       8.5 +/-    0.67  0.030 / 0.030
G23     303.6          33.0                6.1 +/-    1.50      10.1 +/-    1.50  0.040 / 0.030
G26     107.3          53.6                8.4 +/-    0.91      10.1 +/-    0.91  0.050 / 0.080
G31     43.2           38.3                6.5 +/-    1.05       9.7 +/-    1.05  0.040 / 0.070