PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-16:13:00
G10     297.6          52.1                7.3 +/-    0.85       9.0 +/-    0.85  0.030 / 0.050
G14     209.9          12.0                7.2 +/-   16.72      19.1 +/-   16.72  0.030 / 0.040
G15     46.3           29.6                4.2 +/-    0.94       7.5 +/-    0.94  0.180 / 0.390
G20     352.2          65.4                4.8 +/-    0.85       5.2 +/-    0.85  0.100 / 0.390
G21     100.9          71.5                8.3 +/-    0.60       8.7 +/-    0.60  0.090 / 0.160
G24     92.9           25.9                9.2 +/-    0.59      17.6 +/-    0.59  0.100 / 0.140
G27     302.9          32.5                7.2 +/-    1.49      12.0 +/-    1.49  0.060 / 0.110
G32     210.5          31.0                7.7 +/-    1.85      13.3 +/-    1.85  0.070 / 0.100