PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-16:27:30
G10     253.7          29.7                9.1 +/-    1.63      16.1 +/-    1.63  0.040 / 0.040
G13     50.3           27.4                6.1 +/-    2.21      11.2 +/-    2.21  0.040 / 0.040
G15     83.0           58.1                8.5 +/-    1.08       9.8 +/-    1.08  0.130 / 0.610
G16     292.9          15.0                6.1 +/-    2.02      15.3 +/-    2.02  0.130 / 0.600
G20     274.9          53.1                9.1 +/-    3.64      11.0 +/-    3.64  0.110 / 0.250
G21     342.0          63.9                8.2 +/-    0.46       9.0 +/-    0.46  0.100 / 0.200
G26     266.2          14.0                5.7 +/-    2.03      14.6 +/-    2.03  0.030 / 0.030
G29     164.8          45.3               10.3 +/-    0.90      13.8 +/-    0.90  0.020 / 0.030