PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-11:27:50
G08     319.2          11.9                3.4 +/-    3.11       9.0 +/-    3.11  0.050 / 0.060
G10     314.2          56.4                2.7 +/-    1.43       3.2 +/-    1.43  0.080 / 0.080
G14     214.2          19.9                5.0 +/-    2.55      11.0 +/-    2.55  0.040 / 0.040
G15     45.6           17.4                2.2 +/-    1.49       5.0 +/-    1.49  0.030 / 0.030
G20     77.0           16.9                2.6 +/-    1.49       6.2 +/-    1.49  0.150 / 0.410
G21     122.7          64.3                4.9 +/-    1.03       5.3 +/-    1.03  0.230 / 0.350
G24     85.7           29.7                5.2 +/-    1.13       9.1 +/-    1.13  0.100 / 0.190
G27     286.2          37.7                6.0 +/-    1.64       9.0 +/-    1.64  0.100 / 0.210
G32     216.3          44.0                5.9 +/-    1.28       8.1 +/-    1.28  0.060 / 0.050