PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/22-04:27:50
G07     336.9          59.2                4.8 +/-    0.59       5.5 +/-    0.59  0.110 / 0.110
G08     94.7           51.9                8.6 +/-    1.11      10.6 +/-    1.11  0.110 / 0.150
G09     189.2          72.0                7.0 +/-    1.40       7.4 +/-    1.40  0.040 / 0.040
G11     144.4          13.8                7.8 +/-    1.58      19.9 +/-    1.58  0.050 / 0.040
G16     46.9           10.7                4.1 +/-    1.78      11.4 +/-    1.78  0.040 / 0.050
G23     156.4          41.2                9.4 +/-    0.64      13.4 +/-    0.64  0.030 / 0.040
G27     52.7           29.9                5.6 +/-    1.75       9.8 +/-    1.75  0.220 / 0.350
G28     239.0          31.6                7.0 +/-    1.55      11.9 +/-    1.55  0.320 / 0.360
G30     303.7          36.7                5.1 +/-    1.12       7.8 +/-    1.12  0.030 / 0.030