PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/28-16:28:10
G01     319.6          16.0                5.0 +/-    1.81      12.1 +/-    1.81  0.030 / 0.040
G08     261.0          14.2                6.7 +/-    1.51      17.0 +/-    1.51  0.040 / 0.030
G10     75.8           54.8                6.7 +/-    0.59       8.0 +/-    0.59  0.040 / 0.070
G11     306.6          20.6                5.2 +/-    1.15      11.4 +/-    1.15  0.040 / 0.060
G14     288.0          69.4                7.3 +/-    0.67       7.7 +/-    0.67  0.110 / 0.300
G31     176.6          39.7                9.6 +/-    1.29      14.1 +/-    1.29  0.130 / 0.250
G32     3.6            68.8                6.7 +/-    0.38       7.2 +/-    0.38  0.150 / 0.270