PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/26-16:12:40
G10     265.1          37.5                8.1 +/-    1.39      12.3 +/-    1.39  0.140 / 0.380
G13     42.7           19.4                5.1 +/-    1.06      11.5 +/-    1.06  0.170 / 0.340
G15     63.0           51.9                6.5 +/-    0.25       8.0 +/-    0.25  0.130 / 0.340
G16     281.9          12.7                6.9 +/-    2.01      18.2 +/-    2.01  0.140 / 0.430
G20     294.1          59.5                7.7 +/-    0.78       8.8 +/-    0.78  0.050 / 0.090
G21     5.5            71.6                5.1 +/-    0.90       5.3 +/-    0.90  0.070 / 0.110
G24     117.9          13.6                8.8 +/-    1.82      22.6 +/-    1.82  0.160 / 0.330
G27     320.4          15.5                3.6 +/-    1.71       8.8 +/-    1.71  0.170 / 0.360
G29     166.9          32.3                8.9 +/-    1.37      14.9 +/-    1.37  0.030 / 0.050