PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-12:58:10
G08     310.8          18.9                3.8 +/-    1.23       8.5 +/-    1.23  0.070 / 0.080
G10     327.8          59.4                3.6 +/-    0.47       4.1 +/-    0.47  0.080 / 0.090
G14     216.2          28.9                4.8 +/-    2.27       8.6 +/-    2.27  0.120 / 0.250
G15     46.4           12.6                1.1 +/-    2.70       3.0 +/-    2.70  0.220 / 0.210
G20     32.3           61.4                3.2 +/-    0.68       3.6 +/-    0.68  0.030 / 0.040
G21     131.7          54.1                6.5 +/-    0.78       7.8 +/-    0.78  0.030 / 0.040
G24     74.4           28.9                3.3 +/-    1.36       5.9 +/-    1.36  0.030 / 0.020
G27     282.0          36.9                5.0 +/-    2.83       7.6 +/-    2.83  0.040 / 0.030
G32     220.6          46.6                5.5 +/-    1.60       7.3 +/-    1.60  0.090 / 0.160