PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/04-00:12:50
G08     317.0          14.5                9.2 +/-    2.28      23.3 +/-    2.28  0.070 / 0.060
G10     310.2          55.3               10.6 +/-    1.66      12.6 +/-    1.66  0.080 / 0.050
G14     212.9          21.8               13.9 +/-    2.01      29.2 +/-    2.01  0.070 / 0.100
G15     45.6           21.3               11.7 +/-    2.30      25.0 +/-    2.30  0.060 / 0.100
G18     16.6           63.9               11.1 +/-    0.55      12.2 +/-    0.55  0.030 / 0.040
G20     78.1           11.6               12.6 +/-    0.84      33.8 +/-    0.84  0.030 / 0.030
G21     119.0          66.5               12.6 +/-    0.61      13.6 +/-    0.61  0.050 / 0.070
G24     89.0           29.4               14.7 +/-    0.85      26.1 +/-    0.85  0.060 / 0.070
G27     287.8          37.7                8.2 +/-    1.08      12.4 +/-    1.08  0.190 / 0.270
G32     215.7          38.8               12.5 +/-    1.68      18.5 +/-    1.68  0.130 / 0.290