PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-22:28:10
G10     299.5          52.6               12.4 +/-    1.37      15.2 +/-    1.37  0.040 / 0.040
G14     210.6          12.1               19.1 +/-   16.01      51.0 +/-   16.01  0.040 / 0.040
G15     46.7           32.4                9.6 +/-    0.63      15.9 +/-    0.63  0.050 / 0.080
G20     355.4          65.3               10.2 +/-    1.29      11.1 +/-    1.29  0.090 / 0.100
G21     100.0          73.5               12.7 +/-    0.55      13.2 +/-    0.55  0.130 / 0.390
G24     93.6           26.7               14.0 +/-    1.00      26.3 +/-    1.00  0.120 / 0.560
G27     299.9          34.2               12.4 +/-    1.03      19.9 +/-    1.03  0.090 / 0.170
G32     210.8          34.4               15.7 +/-    0.96      25.2 +/-    0.96  0.090 / 0.180