PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/22-19:42:40
G01     241.8          29.9               11.0 +/-    1.63      19.3 +/-    1.63  0.030 / 0.030
G03     312.2          54.1               10.2 +/-    1.54      12.2 +/-    1.54  0.030 / 0.030
G14     69.0           36.0                9.9 +/-    2.72      15.5 +/-    2.72  0.100 / 0.130
G16     160.2          25.8               15.2 +/-    1.81      29.2 +/-    1.81  0.090 / 0.120
G22     285.3          73.5               11.3 +/-    0.72      11.8 +/-    0.72  0.040 / 0.040
G23     293.6          25.2               10.2 +/-    0.81      19.8 +/-    0.81  0.040 / 0.040
G26     127.3          45.0               13.4 +/-    0.38      18.1 +/-    0.38  0.110 / 0.210
G31     40.3           49.7                8.3 +/-    0.61      10.6 +/-    0.61  0.090 / 0.200
G32     84.9           17.2               10.4 +/-    1.25      24.4 +/-    1.25  0.050 / 0.120