PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-17:28:10
G10     276.6          43.7                8.0 +/-    0.98      11.0 +/-    0.98  0.090 / 0.110
G13     38.7           11.4                7.4 +/-    2.15      19.9 +/-    2.15  0.120 / 0.150
G15     53.2           44.4                7.1 +/-    0.37       9.7 +/-    0.37  0.040 / 0.040
G20     315.0          63.4                8.7 +/-    1.12       9.6 +/-    1.12  0.040 / 0.050
G21     37.0           76.0                9.0 +/-    0.69       9.3 +/-    0.69  0.130 / 0.210
G24     109.2          19.2               10.4 +/-    0.91      23.3 +/-    0.91  0.100 / 0.210
G27     315.3          23.4                6.1 +/-    2.07      12.4 +/-    2.07  0.220 / 0.380
G29     168.0          22.1                8.2 +/-    0.89      17.1 +/-    0.89  0.220 / 0.540
G32     205.7          16.7               12.2 +/-    2.72      29.0 +/-    2.72  0.030 / 0.050