PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/02-09:58:10
G01     320.3          14.0                3.9 +/-    1.27       9.9 +/-    1.27  0.040 / 0.050
G08     265.0          15.2                6.4 +/-    2.22      15.9 +/-    2.22  0.040 / 0.060
G10     72.1           55.8                5.1 +/-    0.81       6.1 +/-    0.81  0.100 / 0.340
G11     308.1          19.7                6.4 +/-    2.28      14.2 +/-    2.28  0.100 / 0.300
G14     275.1          66.0                3.1 +/-    0.62       3.4 +/-    0.62  0.140 / 0.250
G18     309.0          36.0                4.7 +/-    1.67       7.4 +/-    1.67  0.130 / 0.240
G22     299.6          11.8               -1.6 +/-    4.31      -4.3 +/-    4.31  0.030 / 0.040
G27     226.8          11.5                3.0 +/-    2.44       8.1 +/-    2.44  0.030 / 0.030
G31     175.3          38.8                5.5 +/-    1.33       8.1 +/-    1.33  0.120 / 0.220
G32     2.1            69.7                6.5 +/-    0.84       6.9 +/-    0.84  0.120 / 0.280