PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-06:43:00
G01     115.5          20.4                7.9 +/-    2.18      17.1 +/-    2.18  0.040 / 0.050
G07     91.2           63.4                5.9 +/-    0.83       6.5 +/-    0.83  0.050 / 0.040
G08     43.4           27.1                1.8 +/-    1.07       3.3 +/-    1.07  0.030 / 0.030
G09     176.3          22.0                7.4 +/-    0.96      15.5 +/-    0.96  0.030 / 0.030
G11     101.1          40.5                7.3 +/-    1.08      10.6 +/-    1.08  0.090 / 0.140
G13     316.5          21.0                3.7 +/-    1.47       8.0 +/-    1.47  0.200 / 0.190
G17     202.3          30.3                6.9 +/-    1.17      12.1 +/-    1.17  0.130 / 0.100
G28     301.5          59.0                4.8 +/-    1.20       5.5 +/-    1.20  0.080 / 0.100
G30     356.3          71.9                5.5 +/-    0.48       5.8 +/-    0.48  0.140 / 0.170