PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-09:58:00
G10     305.3          54.1                4.2 +/-    0.76       5.1 +/-    0.76  0.210 / 0.500
G14     212.3          14.2                1.2 +/-    1.90       3.1 +/-    1.90  0.150 / 0.430
G15     45.5           22.3                2.6 +/-    2.14       5.5 +/-    2.14  0.060 / 0.090
G20     67.7           30.4                3.5 +/-    1.22       6.0 +/-    1.22  0.080 / 0.060
G21     112.2          69.6                6.5 +/-    1.17       6.9 +/-    1.17  0.030 / 0.030
G24     91.9           28.4                5.0 +/-    1.51       9.0 +/-    1.51  0.030 / 0.030
G27     293.3          36.6                8.7 +/-    2.46      13.4 +/-    2.46  0.060 / 0.100
G32     213.0          38.8                6.5 +/-    1.46       9.7 +/-    1.46  0.060 / 0.100