PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/28-09:58:10
G10     303.1          53.4                3.7 +/-    0.77       4.5 +/-    0.77  0.110 / 0.410
G14     211.9          13.0                7.2 +/-    3.01      18.8 +/-    3.01  0.100 / 0.500
G15     45.5           23.5                2.3 +/-    1.33       4.6 +/-    1.33  0.040 / 0.040
G20     66.9           30.8                3.3 +/-    0.48       5.6 +/-    0.48  0.040 / 0.040
G21     109.0          70.6                4.9 +/-    0.88       5.2 +/-    0.88  0.060 / 0.080
G24     93.4           28.0                5.4 +/-    1.51       9.9 +/-    1.51  0.050 / 0.080
G27     295.0          36.2                5.8 +/-    1.10       9.1 +/-    1.10  0.040 / 0.050
G32     212.3          37.4                8.0 +/-    1.05      12.2 +/-    1.05  0.060 / 0.050