PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-22:57:40
G01     225.2          16.2                9.6 +/-    3.25      23.1 +/-    3.25  0.090 / 0.170
G03     285.0          68.0                7.3 +/-    0.47       7.8 +/-    0.47  0.100 / 0.230
G09     295.5          10.7              -13.9 +/-   13.93     -38.3 +/-   13.93  0.040 / 0.030
G14     87.9           22.9                7.4 +/-    3.36      15.1 +/-    3.36  0.040 / 0.030
G16     145.9          45.9               10.1 +/-    1.27      13.4 +/-    1.27  0.260 / 0.270
G22     215.8          69.7                8.0 +/-    0.69       8.5 +/-    0.69  0.410 / 0.330
G23     307.1          36.4                8.1 +/-    1.30      12.5 +/-    1.30  0.030 / 0.020
G26     98.0           54.9                8.5 +/-    0.90      10.2 +/-    0.90  0.030 / 0.030
G31     45.0           33.9                6.8 +/-    1.02      11.0 +/-    1.02  0.050 / 0.050