PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-19:58:00
G01     305.6          34.6               11.3 +/-    1.08      18.1 +/-    1.08  0.050 / 0.050
G10     108.1          37.9               14.7 +/-    1.45      22.2 +/-    1.45  0.040 / 0.040
G11     278.0          28.3               11.9 +/-    1.10      21.5 +/-    1.10  0.070 / 0.100
G14     2.5            65.9               10.7 +/-    0.41      11.7 +/-    0.41  0.060 / 0.120
G20     121.7          12.5               13.5 +/-    1.48      35.5 +/-    1.48  0.080 / 0.130
G22     310.4          26.8               10.4 +/-    1.33      19.5 +/-    1.33  0.160 / 0.160
G25     74.6           15.7               11.5 +/-    2.50      28.0 +/-    2.50  0.090 / 0.170
G31     170.9          64.5               14.1 +/-    0.54      15.4 +/-    0.54  0.090 / 0.160
G32     37.4           51.7               11.5 +/-    1.09      14.2 +/-    1.09  0.050 / 0.060