PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-21:27:50
G01     247.2          33.7                9.7 +/-    1.16      15.8 +/-    1.16  0.090 / 0.260
G03     315.4          46.5                7.7 +/-    1.11      10.1 +/-    1.11  0.070 / 0.250
G14     63.9           38.4                8.6 +/-    0.71      12.9 +/-    0.71  0.050 / 0.120
G16     161.8          20.7               12.7 +/-    1.80      27.6 +/-    1.80  0.070 / 0.100
G18     215.4          23.7              -15.7 +/-    9.84     -31.6 +/-    9.84  0.070 / 0.110
G22     299.9          68.4                9.1 +/-    0.66       9.8 +/-    0.66  0.070 / 0.120
G23     288.3          19.6                8.6 +/-    0.82      19.2 +/-    0.82  0.040 / 0.050
G26     135.9          40.0               11.3 +/-    0.65      16.4 +/-    0.65  0.040 / 0.050
G31     40.0           58.9                8.3 +/-    0.63       9.5 +/-    0.63  0.120 / 0.250
G32     79.6           21.5                7.8 +/-    1.26      16.5 +/-    1.26  0.100 / 0.260