PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-21:42:40
G08     316.9          14.5               10.7 +/-    1.30      27.0 +/-    1.30  0.030 / 0.040
G10     311.3          55.6               11.3 +/-    0.61      13.4 +/-    0.61  0.040 / 0.050
G14     213.2          22.0               15.9 +/-    2.47      33.4 +/-    2.47  0.060 / 0.120
G15     45.5           19.6               10.6 +/-    0.57      23.5 +/-    0.57  0.060 / 0.130
G18     19.9           63.4               11.3 +/-    0.66      12.5 +/-    0.66  0.050 / 0.080
G20     78.3           12.1               12.5 +/-    1.01      33.3 +/-    1.01  0.050 / 0.090
G21     120.8          64.6               14.8 +/-    0.42      16.2 +/-    0.42  0.030 / 0.050
G24     88.2           29.6               13.5 +/-    1.17      23.9 +/-    1.17  0.030 / 0.050
G27     287.1          37.8               11.7 +/-    1.32      17.7 +/-    1.32  0.040 / 0.080
G32     216.1          38.4               14.6 +/-    1.32      21.9 +/-    1.32  0.040 / 0.080