PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-18:13:00
G10     259.3          32.6               11.2 +/-    1.74      18.6 +/-    1.74  0.130 / 0.220
G13     46.7           25.0                8.2 +/-    1.95      16.0 +/-    1.95  0.090 / 0.180
G15     67.8           52.8                8.5 +/-    0.89      10.3 +/-    0.89  0.040 / 0.040
G16     292.2          12.5                8.8 +/-    1.32      23.2 +/-    1.32  0.040 / 0.030
G18     287.5          62.3                8.1 +/-    0.94       9.0 +/-    0.94  0.230 / 0.300
G20     48.6           41.8                8.3 +/-    0.95      11.7 +/-    0.95  0.170 / 0.260
G21     355.8          69.1                9.4 +/-    0.67      10.0 +/-    0.67  0.040 / 0.070
G26     263.0          11.3               13.4 +/-    2.20      36.3 +/-    2.20  0.040 / 0.100
G27     320.8          14.3                6.0 +/-    2.04      15.2 +/-    2.04  0.160 / 0.440
G29     164.2          33.2               12.4 +/-    1.15      20.3 +/-    1.15  0.200 / 0.360