PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/19-22:57:40
G01     278.7          41.3               11.5 +/-    2.53      16.3 +/-    2.53  0.050 / 0.060
G03     314.5          23.6                7.2 +/-    1.89      14.4 +/-    1.89  0.040 / 0.060
G10     126.2          22.3               11.2 +/-    0.93      23.3 +/-    0.93  0.050 / 0.060
G11     255.7          23.3               11.0 +/-    3.09      22.4 +/-    3.09  0.080 / 0.060
G14     37.3           52.9                9.4 +/-    1.43      11.5 +/-    1.43  0.020 / 0.020
G22     314.5          45.4                8.3 +/-    0.74      11.1 +/-    0.74  0.020 / 0.020
G25     57.0           17.8                7.8 +/-    2.57      18.1 +/-    2.57  0.100 / 0.130
G26     154.2          18.8               12.8 +/-    2.84      29.1 +/-    2.84  0.070 / 0.130
G31     88.3           81.2               10.0 +/-    0.65      10.1 +/-    0.65  0.040 / 0.040
G32     58.0           37.6                7.6 +/-    0.83      11.5 +/-    0.83  0.050 / 0.050