PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/19-22:12:40
G01     303.8          35.2                8.7 +/-    1.29      13.8 +/-    1.29  0.060 / 0.150
G10     109.4          38.2                9.8 +/-    0.80      14.7 +/-    0.80  0.070 / 0.140
G11     277.9          28.5                8.2 +/-    0.95      14.9 +/-    0.95  0.060 / 0.100
G14     5.8            64.9                7.8 +/-    0.61       8.5 +/-    0.61  0.060 / 0.110
G18     119.7          10.8                9.7 +/-    4.40      26.7 +/-    4.40  0.030 / 0.040
G22     310.6          27.7                6.8 +/-    1.26      12.5 +/-    1.26  0.050 / 0.030
G25     77.8           17.4                9.8 +/-    1.50      22.9 +/-    1.50  0.120 / 0.290
G31     169.9          66.5               11.1 +/-    0.90      12.0 +/-    0.90  0.090 / 0.220
G32     38.0           51.4                9.2 +/-    0.41      11.4 +/-    0.41  0.040 / 0.060