PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-23:42:50
G01     265.8          40.1                8.2 +/-    1.20      11.8 +/-    1.20  0.040 / 0.060
G03     316.1          31.6                6.5 +/-    1.63      11.0 +/-    1.63  0.050 / 0.050
G10     131.8          14.7                8.5 +/-    1.50      21.2 +/-    1.50  0.050 / 0.080
G11     246.8          19.1                7.6 +/-    1.67      17.1 +/-    1.67  0.050 / 0.090
G14     48.3           47.2                5.1 +/-    0.71       6.7 +/-    0.71  0.040 / 0.040
G22     313.3          54.0                3.8 +/-    1.08       4.6 +/-    1.08  0.030 / 0.040
G25     48.3           15.1                4.2 +/-    2.06      10.3 +/-    2.06  0.080 / 0.290
G26     148.9          26.5                8.7 +/-    1.40      16.5 +/-    1.40  0.080 / 0.270
G31     50.6           74.5                6.3 +/-    0.48       6.5 +/-    0.48  0.040 / 0.080
G32     66.2           31.9                6.0 +/-    0.82      10.1 +/-    0.82  0.040 / 0.080