PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/08-20:27:50
G01     313.6          27.0                8.7 +/-    1.75      16.3 +/-    1.75  0.120 / 0.140
G10     95.5           46.8                9.2 +/-    0.78      12.1 +/-    0.78  0.080 / 0.160
G11     292.2          27.0                9.0 +/-    1.22      16.7 +/-    1.22  0.030 / 0.030
G14     334.6          70.2                8.9 +/-    0.45       9.4 +/-    0.45  0.030 / 0.050
G18     111.5          19.5               10.2 +/-    1.63      22.6 +/-    1.63  0.120 / 0.260
G22     305.9          18.2                8.2 +/-    1.30      18.9 +/-    1.30  0.170 / 0.260
G25     90.4           13.5               10.9 +/-    2.99      28.0 +/-    2.99  0.040 / 0.040
G31     175.1          53.2               12.0 +/-    0.50      14.5 +/-    0.50  0.030 / 0.030
G32     23.9           59.8                8.9 +/-    0.85      10.1 +/-    0.85  0.090 / 0.130